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Manual - Delta Ohm S.r.l.

1. y F Disconnected Auto detect SCROLL CAPS NUM Capture Pri 4 98 D To set the correct character type e select DISPLAY from the Hyper Terminal window one click e select CHARACTER from the pull down menu one click and the window for selecting the character will appear set Terminal e As Style select Normal e Set Dimension at 9 or 11 e OK to confirm one click Lucida Console F OCR A Extended Terminal DEM DOS gt _ 99 E To receive data from an instrument e select CALL from the Hyper Terminal window one click e select CONNECT or CALL according to Windows operating systems from the pull down menu In this way it is possible to receive the characters from the instrument on the monitor D09847 HyperTerminal P ioj x File Edt View Call Iranster Help DE a walt for a Call Stop alting Disconnect Connects to remote system 100 F To store data received from an instrument e select TRANSFER from the Hyper Terminal window one click e select CAPTURE TEXT from the menu one click and the window will appear where you have to set the name of the file in which to store the data received from instrument e type the name of the file in which the received data are to be stored on the line provided e START to set the name of the receiving file one click D09847 HyperTerminal Ba Ioj x File Edt View Cal Transter Help Folder C Program Files 4ccessone
2. LOWER TERMINAL t vO T BLACK SHIELD YELLOW REFLECTED RAD Sy BOARD GREEN REFLECTED RAD Electrical connection of the VP472 module to the albedometer LP PYRA 05 66 LP PYRA 06 UPPER TERMINAL BOARD RED oR ce BLACK SHIELD BLACK SHIELD 7 NO h n Hep ueo RED LOWER TERMINAL BOARD VES Electrical connection of the VP472 module to the albedometer LP PYRA 06 67 LP 471 PHOT RAD UVA UVB UVC PAR AND LUM2 PHOTOMETRIC AND RADIOMETRIC PROBES EQUIPPED WITH SICRAM MODULE Probes of LP471 series are photometric and radiometric probes measuring illuminance LP471 PHOT irradiance LP471 RAD LP471 UVA LP471 UVB and LP471 UVC PAR LP471 PAR and luminance LP471 LUM 2 All of them but LUM 2 are provided with a diffuser for cosine correction Upon power on the instrument automatically detects the probes connected to its inputs you just have to connect the probe module and if the instrument is already on switch it off and on again to allow the instrument to identify the module The unit of measurement is defined by the instrument according to the module connected to its inputs when a probe can provide different units of meas urements press the lt 9 UNIT gt key to select the one you need All probes are factory calibrated and do not need a
3. gt 2 Start stop time key 2 automatic start and stop time DUtility 5 4 Cancel auto start key 3 cancel automatic start 9 More 4 Log file manager key 4 log file manager lt ESC gt exit cancel lt EXC gt exit cancel 2 0 Log Interval This is the time interval between two consecutive logging sessions To set a new interval on the menu select the item Logging with the key lt 2 LOG gt and then the function Log interval with the key lt 0 gt type in the new interval from 0001 to 3600 and then confirm with the lt ENTER gt key To quit the function without making any changes press the clear key lt ESC CLR gt i MAIN MENU O Info 1 Config f Logging 3 Time date 4 Serial 5 Calibrate 5 Reset Utility Options 9 More lt ESC gt exit cancel Logging menu 0 Log interval l Self shut off mode 2 Start stop time 3 Cancel auto start 4 Log file manager lt ESC gt exit cancel MENU LOG interval in sec l 3600 1 hour or lt EXC gt now set at HEH 2 1 Self shut off mode The instrument switches itself off automatically during logging between one sample acquisi tion and the next Logging menu LOG interval gt b0sec 0 Log interval During LOG session 1 Self shut_off mode the in EE MAIN MENU 1 Config e Logging 3 Time date Serial 5 Calibrate c Start stop time J3 Cancel auto start 5 4 Log file manager 1 toggle action NUtility 5 More
4. VY A1 A2 A3 B1 B2 B3 C1 C2 C3 A1 B1 A1 C1 B1 C1 Ti Controls bar gt 14 DESCRIPTION OF THE MENU FUNCTIONS The menu contains all the functions by means of which the parameters for instrument operation are set When the lt MENU gt key is pressed the instrument informs the user that on entering the menu any Measuring and Logging functions in progress will be terminated To return to the menu without los ing data press lt ESC gt The lt DECIMAL POINT gt key pressed after the lt MENU gt key toggles the automatic shut off function AutoPowerOff When the function is not active and an external source of power is not connected a letter B flashes at the top of the display in this case the instrument does not switch off automatically after 8 minutes of inactivity MAIN MENU G Info 1 Config Logging 3 Time date WARNING MEASURE and LOGGING will be STOPPED in MENU mode gt 4 Serial 5 Calibrate lt ENTER gt confirm 6 Reset DUtility lt gt toggle auto_off Options 9 More lt EXC gt exit cancel lt EXC gt exit cancel The basic menu screen shown in the square on the right of the figure supplies the list of the vari ous functions To access each item in the menu press the Key corresponding to the number shown in front of each function 0 INFO Information The Info function provides
5. 1 75 tune up regulation at 75 RH 2 33 tune up regulation at 33 RH 3 11 tune up regulation at 11 RH These functions give a correction of alignment around the three calibration points at 75 33 and 11 RH What has been said about complete calibration also applies to these versions of partial calibra tions To complete correct calibration it is very important that the probe and the saturated solu tions be at the same temperature and that the temperature be as stable as possible throughout calibration Calibration sequence reference is made to the point at 75 RH For the other two points the procedure does not change l 2A 3 4 Unscrew the sensor protection at the end of the probe In its place right down to the base screw on the perforated cap with its threaded ring nut Open the cap of the 75 RH saturated solution Check that there are no drops of solution inside the measuring chamber if there are any dry them with absorbent paper Insert the probe in the container ensuring that the cap with the probe goes down to the base The measuring chamber must be perfectly closed otherwise it will not become saturated it 1s fundamental that there be no possibility of air from the outside getting into the chamber Wait at least 30 minutes Starting from the screen RH cal mode press the key lt 1 MATH gt to start the tune up func tion at 75 RH 5 20 lt 8 a set RH 750 RH cal mode lt REL gt
6. This will reset the thermocouple data to default X K Calibration data WILL BE LOST lt EXSC gt exit cancel At this point it is possible to insert the type of thermocouple by pressing the corresponding nu merical key for example if you want to set thermocouple type J press the numerical key lt 2 LOG gt and confirm with the lt ENTER gt key when the next screen appears Select thermocouple Select Thermocouple L K 2 J 3 T 4 E S R b S 7 B 8 amp N 5 X reset type X reset type 3 X works as K X works as K now at d now at X Offset Compensation lt ENTER gt proceed to Zero Point calibration or skip lt EXC gt exit cancel Press lt ESC CLR to skip this step Bring the calibration bath to the temperature used for com pensating offset at 0 C and immerse the probe in it or the two probes of the double module Wait until the probes have reached the bath temperature and then press lt ENTER gt The follow ing screen appears Zero Point Up Down set Target lt ENTER gt calibrates lt ESC gt to next point Target HOPE Chan A 055 Chan B H U L Wait until the temperatures indicated for channels A and B have stabilised Using the Up and Down arrows correct the calibration value proposed by the instrument Target and make it coin cide with the bath temperature measured by the reference thermometer To confirm press lt ENTER gt in this way the temperature values of the th
7. 19 99 199 9 1999 Resolution W m Spectral Response Range 400nm 1050nm Calibration Uncertainty lt 5 Cosine Response lt 6 Linearity lt 1 Display Unit Error digit Fatigue lt 0 5 Operating Temperature 0 50 C Typical Response Curve Relative spectral response O o1 350 450 550 650 750 850 950 1050 lt TA x PAR LP 471 PAR Quantum Radiometric Probe for Measuring Chlorophyll Photon Flow Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range umol m s 0 01 19 99 199 9 1999 9 99 10 Risoluzione umol m s 0 01 10 Spectral Response Range 400nm 700nm Calibration Uncertainty lt 5 Cosine Response lt 6 Linearity lt 1 Display Unit Error 1 digit Fatigue lt 0 5 Operating Temperature 0 50 C Typical Response Curve 1 0 9 0 8 0 7 0 6 0 5 Relative spectral response 0 4 0 3 0 2 0 1 74 LP 471 UVA IRRADIANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range W m 0 1 10 1 999 19 99 199 9 1999 Resolution W m Spectral Response Range 315nm 400nm Peak 360nm Calibration Uncertainty lt 5 Cosine Response lt 6 Linearity lt 1 Unit Display Error 1 digit Fatigue lt 0 5 Operati
8. CHANGE OF PROBES DETECTED Press NOW any key to choose settings or wait self config If for example a module for measuring the combined humidity and temperature 1s connected to the input A and a module Pt100 to the input B the automatic configuration arranges the display in this way first line R H A1 second line temperature of the Pt100 probe B1 third line temperature of the combined probe A2 If no module is connected to any input Ti internal temperature will be viewed The instrument has an automatic shut off function AutoPowerOff which automatically switches off the instrument after 8 minutes with the batteries fully charged or after 1 minute with the batter ies partly charged if no key has been pressed in this interval The AutoPowerOff function may be disabled by pressing the keys lt MENU gt and then lt DECIMAL POINT gt in this case a letter B Bat tery flashes to remind the user that the instrument will not switch off automatically but only when the lt ON OFF gt key is pressed The automatic shut off function is disabled when using an external source of power When batteries are flat this function cannot be disabled When the lt MENU gt key is pressed a warning appears to remind the user that this function blocks the measurement and logging operations WARNING MEASURE and LOGGING will be STOPPED in MENU mode lt ENTER gt confirm lt gt toggle auto off lt ESC gt cancel Press
9. DO 9847K STRUMENTO MULTIFUNZIONE PORTATILE DATA LOGGER PORTABLE MULTIFUCTION DATA LOGGER INSTRUMENT INSTRUMENT PORTATIF MULTIFONCTION COLLECTEUR DE DONN ES TRAGBARES MULTIFUNKTIONSGERAT DATALOGGER INSTRUMENTO MULTIFUNCION PORTABLE DATALOGGER Differential Air speed and flow rate Hot wire Vane Pitot tube Disconfort Index Photometry Radiometry mV mA D GCO WBOOOOQVO OE So Lo gy et 5 Gg o a z PIN yew PN OM OUOU OCOOPVOOOS Se ae 11 12 13 14 15 16 17 18 19 20 21 Le 23 24 25 26 ZT 28 29 30 31 32 33 REV 3 1 Input B DIN 45326 8 pole connector June 15 2009 Input A DIN 45326 8 pole connector Battery symbol indicates the battery charge level First display line line X Third display line line Z Key lt F2 gt activates the central command on the controls bar Key lt F1 gt activates the left hand command on the controls bar Key lt MENU gt displays the instrument s functions menu Key lt ESC CLR gt allows you to move about in the menu passing to the higher level cancels the current operation without modifying the instrument parameters It clears the peak value re lated to pressure measurements Key lt 7 HOLD gt in the menu it writes the number 7 in normal operation it freezes the meas urement Key lt 5 DATA CALL gt in the menu it writes the number 5 in normal operation it recalls the minimum key lt F1 gt max
10. SUMMARY INTRODUC TITON oreore aeeie soo eaae EEA aa EEE Sre eO Ea aa tauaseivndeass 4 KEYBOARD DESCRIPTION coicc enian EEE EN E Ri 5 Useat mee AIA oh er TA E a a nee nee e 12 Useotie e REL Ake Y oaair E A E Er E Ree ee 13 Xel VSel ANG Z Sel COMIN ANS sanee E aisueasneua beaeatesmaasnd ad etaeetamooms 14 DESCRIPTION OF THE MENU FUNCTIONS ieisscossctececsdeslesvestetdacedaresusdececa lt aeien eena aanraai 15 On fo Intorno Mne a T E cel ef te 15 PECONI COM OUr WONS keera aa a n a a a eee a NTE 15 EI Reserved Funcion LOCResntneni anr a aaa enc clas a iaai 15 l2 C hanee PassWord soiter eee E ee Eee A E a 16 lEI PODE OPUON Serani a E N E TA N ea 16 PE A EEE A A E E E E E ne ER 17 ZOV Lor 6 7 e a ee a aa a ee A 17 2N ael SUMO TINO Ga sar aes ale a a a T a a a er a a tl acd as fe Coat es 18 PIED ps Cd STOD T NE ae eer eee eee eer een eee ee neo Deen oe Ree SMR nen Peer Une Deen ener eer er eee ee ee ee ee een eee ee 18 29 TC ance leh 0 ic AE Ee eS eR es eRe T E ee nee ee 19 DAR NO F IEN IN le atte cece nde cet ears ed a actor andes areca edo sianee Mia base shed asasnenbacteni cranes baseshedsaeaamasiettoea set 20 OTF PESE eLO ica anata reta aut ad eden anita a eis pseu ean sen Ta dece ian a al bode a 20 De NEW CLC CLG air E E N E E ates E E E vel E O EE tier EE O EAE E 21 DA ET ASC Se Cle COO ta casita tretesseace hated a a a e Tea raaein bested a 21 Ae WB 2 cl CALL 5 2 ere eee ee a Pe ee Re a me ee en ee ee eee ee ee ee 21 By UIA da ait sci
11. on p 30 3 THERMOCOUPLE TEMPERATURE PROBES The DO9847 accepts at input thermocouple temperature probes type K J T E R S B and N The probe is composed of a module with a DIN 8 pole connector for connection to the inputs of the datalogger a microprocessor circuit with permanent memory and depending on the models one or two thermocouple connectors There are modules with or without the integrated temperature sensor for compensating the environment temperature By pressing the function keys F1 F2 and F3 corre sponding to the indications Xsel Ysel and Zsel it is possible to view the temperatures measured by the thermocouple probes connected to the inputs for example if a compensated double module TP471D1 is connected to input A Al represents the temperature of probe 1 A2 the temperature of probe 2 and A3 the temperature of the cold junction on the other hand if a compensated single module TP471D is connected Al represents the temperature of the thermocouple and A3 that of the cold junction The thermocouple probes purchased with the respective module are calibrated in the factory the user can choose whether to use this calibration or to make a new one and even protect it with a password The user can choose what unit of measurement to use for viewing and printing from among those allowed with thermocouple probes C F or K see the instructions for selecting the unit of meas urement on p 10 Calibration of The
12. 0 05 0 99 m s 0 2 m s 1 00 9 99 m s 0 1m s_ 1 00 5 00 m s 0 6 m s 10 00 40 00 m s Temperature t0 4 C 30 1 10 C 0 4 C Min Velocity 0 05 m s Air Temperature 0 80 C Compensation Approx 20 ore 20 m s with Approx 30 ore 5 m s with al Unit of Measurement m s km h ft min mph knots Flow 1 s m s m min ft s ft min Pipe Section for Flow Calcu 100 100000 cm lation 0 01 10 m The section area can be assigned e directly cm or inch Velocity Calculation of Pipe Section for Flow Measurement e by setting the radius cm or inch of circular sections e by setting the sides cm or inch of rectangular sections DO9847 Firmware Upgrade 2 0 and following ones 59 AP472 S1 AP472 S2 AND AP472 S4 VANE PROBES FOR AIR VELOCITY MEASUREMENT EQUIPPED WITH SICRAM MODULE AP472 S1 S2 and S4 vane probes are to be connected to DO9847 multifunction instrument The are used to measure velocity and flow of an incident air flow AP472 S1 AP472 S4LT and AP472 S4HT probes can measure temperature also by means of a thermocouple type K On request they are equipped with a telescopic shaft to make measurements easier in hard to reach areas 1 e duct outlets and vents The table below shows velocity and temperature ranges of these probes Temperature Temperature Diameter AP472 S1 0 6 30 25 80 25 80 AP472 S2 working tem pe
13. Flow averaging time select a number between 001 and 100 from keyboard and press lt ENTER gt to confirm Ty k yar N 1 Comp Temp select Speed flow samples onrig 2 Flow averaging time l 100 3 Time date 3 Comp Atm pressure 5 Calibrate equals time in sec DUtility More lt ESC gt exit cancel lt ESC gt exit cancel O01 8 3 Comp Atm pressure Atmospheric Pressure Compensation It selects the compensation source for atmospheric pressure An example the Pitot tube for air velocity measurements Press either lt 1 MATH gt lt 2 LOG gt or lt 3 TIME gt to select the atmospheric pressure detected by the modules connected to A B or C modules respectively Press lt 4 SERIAL OUT gt and then lt ENTER gt to display the window where the pressure value can be set manually as in dicated by the figure below Atm pressure comp Set atmosferic press l Probe A source Using Up Down keys Now 1 lt ENTER gt to confirm e Probe B source Zame a gt A J Probe C source Hi F yee lt O 4 Manual entry ds Li l V gt i Use the Up A and Down Vv arrows to enter the pressure value directly Then press lt ENTER gt to confirm OF a THE PROBES The probes of the graphic datalogger are equipped with an intelligent module which acts as an in terface between the sensor in the probe and the multifunction instrument Inside this module there is a microprocessor circuit with a permane
14. Modil sh pastes sated as om olaae AAO E TAEA eae Sac at le eal ae N Note Concermine DOOS47 Vers ON peera aE ETT RE EERTE ERTO FON NY Fete LU me Mear r T er A E A OPE aeon E A E EE A ee nN EEA AP471 S1 AP471 S2 AP471 S3 AP471 S4 AP471S5 and AP471S6 Hot Wire Probes for measurement of air velocity equipped with SICRAM mod le eresien i aaa E oie EE A ANE Zero C OMMAN de a oe eee a a a OPEO E a T Oe T eee ee Prope Carec and Maintenalte draioun a a a a a a at eo DIDEM OD asana a a E E A Pee ee Technical SPECIHICAUONG ener a N E E E G E Tis A E TGA AP472 S1 AP472 S2 and AP472 S4 Vane probes for air velocity measurement equipped with SICRAM OE a a e EAE A A T E E a art td aah a A AA E calp OD PS OR TN E E Opera ON rine a A A A E E E A E AT A A E ATO E Probe Care and Maintenant e seraa a a a N a N DIMENS ONS aosan e E a A E E E E Faceless pel tac Techmical Specifications coser a a E a ee ee tte AP473 S1 AP473 S4 Pitot Tube Probes for the Measurement of air velocity equipped with SICRAM AITES EUI I eA PEINE AE E EE E TE uae E EEEO AET T E E E E E E E T EEE E E A EE Mastin oT 1 15 6 SR eR Re E a E E E E E E E AFIS S a ASSA MOUS orn a a a E N a a et Iu de aa eee ODT OE EEEE TA A a a al hee e ARA Dimens S O TUOT UDES roae A e A E Fechinca SPee CANONS a E T a E A E E A VP472 electronic module for solarimeters and albedometers cece eeeecccsscccesscccsscccsccccescccescccuseceusecceueceesnceeaneses Inserting the sensitivity of the solar
15. Wait until the temperatures indicated for channels A and B have stabilised Using the Up and Down arrows correct the calibration value proposed by the instrument Target and make it coin cide with the oven temperature measured by the reference thermometer To confirm press lt ENTER gt the indication of the value of the probe or of the two probes being calibrated will coincide with the temperature indicated by the instrument Target and with the temperature measured by the reference thermometer Move on to the next point or press lt ESC CLR gt to end calibration Third and Fourth Calibration Points The procedures for calibrating the third and the fourth point are identical to those for the second point ensure that you use increasing oven temperatures Press lt ESC CLR gt 1f you do not want to calibrate these points _ 34 RELATIVE HUMIDITY PROBES The humidity probes for the DO9847 are of the combined humidity and temperature type the hu midity sensor is of the capacitive type the temperature sensor is a Pt100 The probes are equipped with a module with a DIN 8 pole connector inside which is a microprocessor circuit with a perma nent memory which stores the calibration data By pressing the function keys F1 F2 and F3 corresponding to the indications Xsel Ysel and Zsel it is possible to view the humidity or one of the derived quantities as explained below the tempera ture or one of the derived quantities detected by th
16. 38400 19200 9600 4800 2400 1200 600 300 The other transmission parameters are fixed The DO9847 is able to respond to numerous commands sent directly to it by means of the serial port as may be seen in the table below these are requests for information on the type of instrument on the version and date of the firmware and on the values detected at the time of sending the command by the probes connected to the three input channels All the commands transmitted to the instrument must have the following structure XYcr where XY constitutes the command code and cr Carriage Return ASCII OD aoo a Firmvare Date ee a Serial Number Serial Number of the instrument ss Complete heading Supply information about the instrument a the connected modules FA Curentdate a S FC Logging Stopdate o Jo FD Calibrationdate S KS Measur indication of each channel A1 Lr A2 C3 Ti Detailed list of stored logging files SS eee To check the connection Print interval S d O Logging interval Battery level It goes from amp 01 completely down to aaa amp 06 completely full amp 07 external power supplier value and measuring unit of channel A1 100 41 C as above for the internal temperature Ti time hour and minute for example DA2002 02 15 17 55 Set the date year month day and the log ging start time hour and minute Set the date year month day and the log ging stop hour and minut
17. calculated flow Air velocity calculated flow air temperature Velocity Temperature Measuring Range Velocity m s 0 3 20 Temperature j 7 25 80 25 80 30 120 25 80 Resolution Velocity 0 01 m s 0 1 km h 1 ft min 0 1 mph 0 1 knots Temperature Accuracy 0 1 m s 0 1m s 1 5 f s 1 5 f s Temperature 0 1 C a Unit of Measurement Velocity 0 2 m s 1 0 f s Velocity m s km h ft min mph knots Flow l s m s m min ft s ft min Duct Section for Flow Calcula 100 100000 cm tion 0 01 10 m The area of the section can be assigned e directly cm or inch Calculation of Duct Section e by setting the radium cm or inch for circular sections e by setting the side length cm or inch for rectangular sections for Flow Measurement DO9847 Firmware Upgrade Version 2 0 and following ones The indicated value refers to the vane operating range Temperature limit refers to the probe where the vane and temperature sensor are located and not to the handle the cable and telescopic shaft which maximum working temperature is 80 C AP473 S1 AP473 S4 PITOT TUBE PROBES FOR THE MEASUREMENT OF AIR VELOCITY EQUIPPED WITH SICRAM MODULE The Pitot tube is an easy method to measure air velocity in hard to reach positions such as air ducts and in applications where air velocity and temperature are very high As no air passes thr
18. change both their position through out the space from a point to another and their performance over the time in the same position but in subsequent moments this is particularly true when the involved area is quite big and when some turbulences are generated in front of a ventilating grill or of a diffuser The DO9847 unit provides some solutions to get a correct measurement even before these elements of distur bance 1 Space Average Record Function It is always suggested to record more measurements in different positions and to consider as valid data only average values By means of the Record function the DO9847 can acquire several measurements and provide at the end maximum minimum and average values Press lt 6 RCD gt to activate the Record function Use the lt F3 gt function key to reset any prior measurement then place the probe in the first point to be measured and press F2 function key M n 00 to acquire the first value Repeat these steps for each other point to be meas ured and press lt F2 gt each time the M n indicator in the middle of the commands bar will indicate the number of acquired samples After acquiring press lt 5 DataCall gt press ei ther Fl F2 or F3 to read the min max and average value of the three quantities velocity temperature and flow In general the bigger the number of acquired measurements is the higher the accuracy of the results will be 48 2 Moving Average The Record
19. e select FILE from the Hyper Terminal window one click e select QUIT from the pull down menu one click e YES one click if you want to save the settings of the communication made 102 TECHNICAL DATA OF THE DO9847 MULTIFUNCTION INSTRUMENT Housing Dimensions Length x Width x Height Weight Materials Display EMC Standards Degree of protection Safety Electrostatic discharges Fast electric transients Voltage variations Susceptibility to electromagnetic interference Emission of electromagnetic interference Operating Conditions Working temperature Storage temperature Working relative humidity Power Supply Batteries Autonomy with three Pt100 probes connected Absorbed current with instrument switched off Mains Safety of Logged Data Time Date and time Precision Logging of the Measured Values With storing of 3 variables Type Quantity With storing of 10 variables Type Quantity Logging interval Serial Interface Type Baud rate Data bits Parity 103 245x100x50mm 300g complete with batteries ABS rubber graphic 56x38mm 128x64 pixel IP64 EN61000 4 2 EN61010 1 level 3 EN61000 4 2 level 3 EN61000 4 4 level 3 EN61000 4 5 level 3 EN61000 4 1 1 IEC1000 4 3 EN55020 class B 10 60 C 25 65 C 0 90 R H without condensation 4 batteries 1 5V type AA 80 hours with alkaline batteries 1800mAh SOWA Mains adapter output 9Vdc 250mA Unlimited irrespective of the st
20. exit cancel lt ESC gt exit cancel 4 0 Baud Rate It is possible to set the baud rate of the serial communication from 300 to 115200 baud The default value is 19200 On the setting screen press the number key from 0 to 7 next to each baud rate value to select it Confirm your choice with the lt ENTER gt key Press lt ESC gt to quit without making any changes The communication between the instrument and a computer or a printer with serial port works only if the baud rate of the instrument and that of the computer are the same E e set BAUD MENU 0 300 1 1200 0 Baud rate c e400 3 4800 l Print interval 4 4600 5 15200 b 38400 7 115200 now at 19200 lt ESC gt exit cancel lt ESC gt exit cancel Current baud rate 4 1 Print Interval This represents the printing interval in seconds and may be set from 1 to 3600 seconds or 1 hour If the baud rate has been set at 300 the minimum interval is 5 seconds Set the desired e Do interval and then confirm it with the lt ENTER gt key Press lt ESC gt gt to quit without making any changes MENU PRINT interval in sec l 35600 1 hour 5 minimum at 300 Baud or lt EXC gt now set at 0001 MENU 0 Baud rate l Print interval gt 1 j gt O current print interval lt ESC gt exit cancel This parameter influences the functions of the immediate printing of data Screen RCD and Rawdata see the functions Scree
21. function provides a space average of acquired values in order to compensate ve locity differences between a point and another in the pipe section There is also another cause of error due to stream variations over the time actually a stream is not steady but on the contrary it can decrease or increase even in the same point In order to compensate this sec ond source of instability a time moving average of the last n acquired measurements can be provided thus n gt 1 will not correspond to a single acquired value but to the current average of the last recorded and continuously updated n measurements To set the n value select 8 Options in the menu then choose 2 Flow averaging time parameter the n value can selected from 1 no average to 100 For a detailed description of this function see page 26 Flow averaging time paragraph Note grills and diffusers with reclining fins cause stream measurement errors because of turbu lences These turbulences develop because part of the stream meets an obstacle the fin and consequently slows down while the rest of the stream speeds ahead In this case to get cor rect measurements it is suggested to temporarily insert in front of the ventilating grill a pipe having a length twice the length of the grill diagonal Measurements have to be taken at the ends of this pipe The area to be considered for flow calculations will be that of the temporary pipe positioned bet
22. if no mains external power supply is connected a B will flash to indicate that the integral calcula tion is in progress Integration calculation can be stopped at any time by pressing lt F2 gt Q Tstop function key in this situation and by pressing Q Tgo again the integration will re start If one or more limits have been activated in the menu when the first one is reached counting will stop and the indication O T Time limit will flash A2 represents the time lapsed since counting was started A3 represents the value of the calculated integral As the integration process develops through discreet steps the value of A3 at which integration has to be stopped will not correspond exactly to the set limit but will correspond to the first integration value coming after this limit Instrument Operation with Several Probes Connected As already said the integration system provides one only limit time for all of the connected probes and a different integration limit for each probe When the first limit is reached the relevant indication will be displayed If this limit is represented by time then all integrations are stopped and scrolling through variables A3 B3 and C3 the values of integrals calculated up to that moment will be displayed If the first limit to be met is that of an integration then variable 2 of that input 1 e A2 in the case of a probe connected to input A provides the time needed by the integral to achieve the set
23. information about firmware serial number and date of calibration of both the instrument and the connected probes Press Enter to jump from the first to the second visual display Press the lt ESC CLR gt key to quit and return to the basic menu screen os MAIN MENU MMM Probe cal dates A common 2002 01 01 Multifunction meter Info 1 Config Ver 2 Rev D B150 c Logging 3 Time date issued 2002 01 01 B factory 2002 02 11 4 Serial 5 Calibrate gt 0 gt Ser number 012345b7 user 2002 03 02 MUtility 4 Calibrated 2001 01 01 Enter more info g More lt ESC gt exit cancel any key to exit lt ESC gt exit cancel 1 CONFIG Configurations Manages the reserved functions with password Some instrument functions may be protected with a password for example access to calibration of the probes and or the instrument modifying the date and or the time 1 1 Reserved Function Lock There are two levels of password protection factory level and user level Each is protected with the respective password the factory level is used to protect certain basic functions of the instrument and for this reason it is not accessible to the user When the instrument leaves the production line or after calibration in the factory it is protected by a factory password on the other hand access to the functions reserved for the user is enabled To change the enabled or 15 disabled status of the reserved functions
24. instant value of the input variable at time t Sampling interval is fixed and equals 1 second As soon as the Q t value or t integration time reach set limits integration will stop and O T Time limit message will be displayed Integration Max Time 100 hours 00 minutes 00 seconds Integration Interval 1 second Number of Measuring Ranges 5 auto selected ranges Setting Limits Insert the module of your probe into one of the inputs 1 e A and then turn on the instrument If a message appears signalling that an input change has been detected wait for a few seconds The instrument will turn off and on immediately after displaying 3 measurements Al light instant measurement A2 integration time and A3 Q integral If more probes are connected display in dication will be different but using Xsel Ysel and Zsel function keys you can anyhow change the data provided by the instrument In order to set integration limits choose amp Option from the menu and select 4 O T mode pa rameters submenu E __ MAIN MENU 1 Comp Temp select D set common T_lim o Into I Config C Flow averaging time l set chan A _lim e Logging 3 T1ime date 3 Comp Atm pressure P set chan B Q_ lim 1 Serial 5 Calibrate 4 Q T mode parameters 3 set chan C _lim 5 Reset NUtility 4 reset T_lim to 0 4 Options 9 More 5S reset ALL to D lt ESC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel Now you can e Set
25. limit The calculation of the other integrals goes on and will stop only when reaching respective limits or set time the first one to be met Logging Function When a light probe is connected logging function is linked to integration function in this way when logging is started integration time and calculated integral values are set to zero and the calcu lation of a new integration is started This operation takes place both by immediate logging lt 2 LOG gt key pressed and by recorded log ging by entering start and stop date and time provided that the instrument is set to remain al ways on Actually having to calculate the integral every second it is necessary that the instrument does not switch off Thus use a logging interval lower than 60 seconds or if logging interval is higher than or equals 60 seconds set Self shut_off mode function of Logging menu on stay on between samples Logging menu LOG interval gt b0sec 0 Log interval During LOG session l Self shut off mode j ee MAIN MENU 1 Config 3 Time date 5 Calibrate DUtility 9 More lt ESC gt exit cancel 2 Start stop time 3 Cancel auto start 4 Log file manager 1 toggle action lt ESC gt exit cancel lt ESC gt exit cancel stay on the instrument will stay on shut off the instrument will shut off If the instrument 1s set to shut off between two subsequent acquisitions only the instant value of the signal provide
26. lt ESC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel Stay on or shut off If the logging interval is less than 60 seconds the instrument will always stay on For inter vals of 60 seconds or more it is possible to choose to switch off the instrument between two consecutive logging sessions the instrument will switch during sampling and then switch off immediately afterwards thus prolonging the life of the batteries The lt 1 MATH gt key toggles the function always on stay on or on off shut off To set the desired type of op eration from the menu press the key lt 2 LOG gt to Enter the Logging sub menu then press the key lt 1 MATH gt to activate the window for the Self shut_off mode sub function With the key lt I MATH gt choose the desired type of operation always on stay on or on off shut off and then quit pressing the lt ESC CLR gt key 2 2 Start stop time Starting and stopping of logging may be programmed by typing in the date and the time When it is called the function proposes as start time the current time increased by 5 minutes to confirm press lt ENTER gt otherwise set the date and time using the arrows When asked to set the data for the end of logging by default the instrument proposes the start time increased by 10 minutes To confirm press lt ENTER gt otherwise set the date and time using the arrows and press lt ENTER gt At the next sc
27. marked by a small r letter beside the letter A B or C which identify the input channel To disable the function press the function key again 44 PP472 ELECTRONIC MODULE FOR BAROMETRIC PRESSURE MEASUREMENT The electronic module PP472 measures the barometric pressure connected to its input in the range 600 0 1100 0 hPa The resolution is equal to 0 1 hPa for the whole measuring range The lt 9 UNIT gt key selects the unit of measurement of the displayed instantaneous value The fol lowing units are available hPa kPa mbar bar atm mmHg mmH O kgf cm PSI inchHg bar atm mmHg mmHe0 kof cme PSI Hginch hPa kPa Calibration The module PP472 can be recalibrated by the user who has a precision pressure generator The cali bration is carried out in two points the first at 800 0mbar the second at 1013 0mbar Procedure 1 Connect the module PP472 to one of the input of DO9847 and switch on the instrument 2 Enter into the Menu with the proper key and select the heading 5 Calibrate with the lt S DATACALL gt key The list of the modules connected to the instrument is displayed select the input which the module PP472 1s connected to 3 The first screen appears as follows Set guuiuimbar l Keep amp Proceed lt ENTER gt update lt ENC gt abandon Up Down vary setpoint SUIL mbar Supply the module input with a pressure of 800 0mbar The bottom line displays the
28. one for the relative humidity sensor Calibration of the Pt100 or thermocouple Temperature Sensor Save the case in which the temperature sensor is working in a particularly hostile or corrosive at mosphere or where by mistake its calibration has been endangered the temperature probe does not normally require recalibration it 1s advised to assess the need for new calibration carefully be fore taking action temp cal mode temp cal mode l Set standard Ptl100 2 Cal sensor temp c Cal sensor temp The calibration menu contemplates two methods for calibrating the temperature sensor 1 Set standard Pt100 only for Pt100 sensor temperature probes returns the sensor parameters to the default values of the standard Pt100 curve When the key lt 1 MATH is pressed the nomi nal values of the Pt100 sensor are copied into the memory of the selected probe This function is used if the probe has not been calibrated and it is not possible to perform calibration of the sen sor To quit the function without making any changes press lt ESC CLR gt 2 Cal sensor temp for Pt100 or thermocouple sensor temperature probes requires a calibration oven and a reference thermometer Press the key lt 2 LOG gt the temperature measurement taken by the Pt100 or TC thermocouple sensor will appear Insert the probe to be calibrated together with the probe of the reference thermometer in a calibration oven respecting the range of op eration
29. probe stem 014x130 mm with 20um sintered stainless steel protection Connecting cable length 5 metres Field of use 40 C 150 C 5 98 RH Accuracy in RH 2 5 Accuracy in C 0 30 C Protection for RH probes HP472AC HP572AC M24x1 5 P1 Stainless steel grid protection for probes 26 mm P2 20u sintered polyethylene PE protection for probes 26 mm P3 20u sintered bronze protection for probes 26 mm P4 20u sintered PE complete cap for probes 26 mm 110 Protection for RH probes HP473AC HP474AC HP475AC HP475ACI1 and HP478AC M12x1 P5 Stainless steel grid protection for probes 14 mm P6 20um sintered complete protection made of stainless steel for probes 14 mm P7 10um sintered complete protection made of PFTE for probes 14 mm P8 Stainless steel and Pocan grid protection for probes 14 mm SICRAM module for solarimeters albedometers for the DO9847 multifunction in strument VP472 SICRAM electronic module for connecting solarimeters or albedometers to the datalogger DO9847 The values generated in time by a solarimeter or by an al bedometer can be acquired checked and stored The signal generated by the thermopile of the solarimeter may be read in mV or in W m the net radiation of the albedometer is read in W m The sensitivity of the thermopile may be set from a minimum of 5000 to a maximum of 30000nV Wm or between 5 and 30uV Wm SICRAM modules for measurements of pressu
30. reflected light in mV in the albedome ter 5 the albedo defined as the ratio between the reflected global radiation and incident global radia tion If a solarimeter 1s connected to the module only the variables n points 1 and 2 must be considered To show on the display one of the three variables identified with the numbers 1 2 or 3 of the points in the list proceed as follows with the commands Xsel Ysel Zsel select the variable Al B1 of Cl depending on whether the module is connected to input A B or C then with the key lt 9 UNIT gt select the desired variable from the three available In the same way to view one of the variables corresponding to points 4 or 5 select the variable A2 or B2 or C2 then with the key lt 9 UNIT gt select one of the two variables available point 4 or 5 See the description of the commands Xsel Ysel Zsel on p 14 and the UNIT function on p 10 The correspondence between the output signal in voltage and the global radiation in W m is ob tained by means of the solarimeter parameter called sensitivity S or calibration factor This con stant supplied with the solarimeter must be inserted by means of a special item on the menu Inserting the sensitivity of the solarimeter or albedometer The default value of the sensitivity parameter is 10000nV Wm7 To modify it insert the module in the DO9847 and switch on the instrument Go to the MENU with the respective key if the indi cation WARNIN
31. the module Temperature Units of Measurement Velocity m s km h ft min mph knots Flow V s m s m min ft s ft min Section of the Pipe for 100 100000 cm Flow Calculation 0 01 10 m The area of the section can be assigned Calculation of the Pipe e directly em or inch Section for Flow Measurement e setting the radius cm or inch of circular section e setting both sides cm or inch of rectangular sections DO9547 Firmware Version 2 0 and following ones Upgrade At 20 C 1013mbar and Ps negligible bA VP472 ELECTRONIC MODULE FOR SOLARIMETERS AND ALBEDOMETERS The VP472 electronic module allows you to connect solarimeters and albedometers to the DO9847 The signal generated by the thermopile and detected by the VP472 module may be expressed either as a voltage in mV or as global radiation in W m When the module is inserted in input A B or C of the DO9847 the variable identified with the number 1 A1 B1 or C1 supplies 1 the output voltage of the thermopile which detects the incident light in mV in the solarimeter 2 the incident global radiation in W m in the solarimeter with ring 3 the net radiation defined as the difference between the incident global radiation and the reflected global radiation in W m in the albedometer The variable identified with the number 2 A2 B2 o C2 supplies 4 the output voltage of the thermopile which detects the
32. the previous data start a new recording session view in real time the MAX value of the three inputs which in this case are three temperatures conclude the recording and return to normal measurement m nJ ir a aw TU Lm w T mi Sag a i l nf n l PRESSING lt 6 RCD gt NORMAL MEASUREMENT STARTS THE RECORD FUNCTION USE F3 TO DELETE THE PREVIOUS DATA AND F1 TO START A NEW MEASUREMENT SESSION MAX VALUE OF THE THREE CHANNELS Al BI ANDCI PRESS KEY lt 5 DATA CALL gt PRESS KEY lt F2 gt TO VIEW THE MAX TO CONCLUDE THE MEASURING SESSION PRESS norm lt F2 gt THEN lt 6 RCD gt PRESS rcdSTOP lt F2 gt AND FINALLY lt ESC CLR gt Attention the data obtained with the Record function cannot be transferred to the PC 2 Re x THE LOGGING FUNCTION The Logging function allows the recording of up to 32 000 measurements from the three input channels in the internal memory of the instrument with a time interval between two consecutive measurements which may be set from 1 to 3600 seconds The data in the memory may be trans ferred to the PC by means of the command on the Menu Log File Manager key lt MENU gt gt gt 2 Logging gt gt 4 Log File Manager The logging function may be started and stopped immediately by the user by pressing the key lt 2 LOG gt or after a time delay the date and time of starting a
33. type in the user password and then confirm it with the lt ENTER gt key To quit the function without making any changes press the clear key lt ESC CLR gt mm MAIN MENU m m Info 1 Config Configurable options Reserved functions Logging 3 Time date l Reserved func lock user level enbled 4 Serial 5 Calibrate enter your password 6 Reset 7 Utility 3 Probe options to change status Options 39 More lt ESC gt exit cancel lt ESC gt exit cancel 1 2 Change password To change the user password A enable the reserved functions if this has not been done by typing in the present password in point 1 of the Config submenu see the previous point Reserved function lock B use the function of the Change password menu to type in the new password type the 8 figures and then confirm with the lt ENTER gt key To quit the function without making any changes press the clear key lt ESC CLR gt Note when the instrument is switched on for the first time after changing the batteries or af ter reset the user password is automatically set at 12345678 E MAIN MENU m me Configurable options enter a new password l Reserved func lock O Info 1 Config c Logging 3 Time date 4Y Serial 5 Calibrate gt 1 gt 2 Change password 5 MUtility 3 Probe options g j 5 More lt ESC gt exit cancel If user level is enabled current password is proposed 123456 18 lt EXC gt exit cancel 1 3 Probe option
34. value meas ured by the instrument The set point value can be adjusted with the arrows Up and Down up to the pressure value which is really measured Update the value with lt ENTER gt key and continue with the second point pressing the lt 1 MATH gt key 4 The second calibration point is 1013 0mbar If necessary adjust the set point value with the ar rows Up and Down up to the pressure value which is really supplied Update the value with the lt ENTER gt key and confirm with the lt 1 MATH gt key Now calibration is finished _ 45 PP473 ELECTRONIC MODULE FOR THE MEASUREMENT OF DIFFERENTIAL PRESSURE PP473 S1 S2 S8 electronic modules measure differential pressures with 10 20 50 100 200 500 1000 and 2000 mbar full scale These modules provide the pressure instantaneous value related to variable 1 A1 BI or Cl de pending on the input to which the module is connected The lt 9 UNIT gt key switches the unit of measurement of the instantaneous value The available units of measurement are Pa hPa kPa mbar bar atm mmHg mmH O kgf cm PSI inchHg e m E Ti 75 3 L p Zi mbar bar atm mmHg mmHcO kgf cme f l bl PSI Hginch Pa hPa kPa unitX unitY unitZ Some units of measurement require a multiplicative factor 3 at the top means that the displayed value has to be multiplied by 1000 Zero Command Differential probes might cause a slight difference between th
35. 0 C 5 98 RH Accuracy in RH 2 Accuracy in C 0 30 C Combined RH and K thermocouple temperature probe Dimensions 26x170 mm Connecting cable length 2 meters Field of use 20 C 80 C 5 98 RH Accuracy in RH 2 Accuracy in C os 109 HP473AC Combined RH and temperature probe Grip dimensions 26x130 mm probe 14x120 mm Field of use 20 C 80 C 5 98 RH Accuracy in RH 2 Accuracy in C 0 30 C HP474AC Combined RH and temperature probe Grip dimensions 26x130 mm probe 14x200 mm Field of use 40 C 150 C 5 98 RH Accuracy in RH 2 5 Accuracy in C 0 30 C HP475AC Combined RH and temperature probe Grip 26x110 mm Stainless steel probe stem 12x500 mm Tip 13 5x75 mm Connecting cable length 2 metres Field of use 40 C 150 C 5 98 RH Accuracy in RH 2 5 Accuracy in C t0233 HP475AC1 Combined RH and temperature probe Stainless steel probe stem 14x500 mm with 20um sintered stainless steel protection Grip 80mm Connecting cable length 2 metres Field of use 40 C 180 C 5 98 RH Accuracy in RH 2 5 Accuracy in C 0 35 C HP477DC Combined RH and temperature probe Connecting cable length 2 metres grip 26x110 mm Probe stem 18x4 mm length 500 mm Field of use 40 C 150 C 5 98 RH Accuracy in RH 2 5 Accuracy in C 0 35 C HP478AC Combined RH and temperature probe Stainless steel
36. 0 1 RH 0 02 RH C 10sec 10 gt 80 RH air velocity 2m s Measuring temperature in the combined RH C probe Temperature sensor Measuring range Accuracy Resolution Temperature drift 20 C Temperature sensor Measuring range Accuracy Resolution Temperature drift 20 C Measuring global solar radiation module VP472 Measuring range Resolution Accuracy Sensitivity settable in the range Pt100 1002 0 C 50 C 200 C 0 03 C 0 01 C 0 003 C Thermocouple K 50 C 200 C OSC 0 05 C 0 02 C 25mV 25mV 5 30uV Wm Measuring pressure module PP471 All the Delta Ohm TP704 and TP705 series pressure probes can be connected See the table below for the technical specifications related to the probes Technical data of the module Accuracy 0 05 of full scale Peak time gt Sms Peak accuracy 0 5 full scale Peak dead band lt 2 full scale RELATIVE bas Maximum DIFFERENTIAL reese ABSOLUTE ACCURACY Working poe Overpressure Pressure with espect to Pressure Trony Temperature Pressure p atmospheric 20 to 25 C p pressure NON Isolated oad Da haon Isolated Dia Diaphragm Pras phragm arane 1000 mar SND ___ oases Connection Measuring barometric pressure module PP472 Measuring range 600 1100mbar Resolution 0 1 mbar Accuracy 20 C 0 3mbar Temperature range 10 60 C 106 Measurement of Differential Pressure PP473 S1 PP473
37. 1 60 0 13 31 10 0 13 30 54 0 14 29 93 0 16 29 26 0 18 28 54 0 21 2 a eS 26 94 0 29 26 05 0 34 25 11 0 39 24 12 0 46 23 07 0 52 21 97 0 60 Saturated Salt Solutions from 0 to 100 C Sodium Chloride 75 51 0 34 75 65 0 27 75 67 0 22 75 61 0 18 75 47 0 14 75 29 0 12 75 09 0 11 74 87 0 12 74 68 0 13 74 52 0 16 74 43 0 19 74 41 0 24 74 50 0 30 74 71 0 37 75 06 0 45 75 58 0 55 76 29 0 65 Humidity and Quality Indices Comfort Indices Everybody knows how environmental conditions affect the human feeling of good health particular values of temperature humidity and air velocity turn out to be unpleasant if not unbearable to most people Whereas it is easy to quantify the relationship between the measurement of a single variable and its effects on human beings it is much more difficult to provide an indication of the combined effect deriving from all of the variables For this reason different valuation systems have been introduced to get the formulation of the cli mate quality indices Comfort Indices The DO9847 provides two indices Discomfort Index and Net Index The first one depends on temperature and relative humidity only while the second one 1s related to air velocity as well These two indices can be displayed only if the instrument is connected to a temperature humidity combined probe such as for example an HP472AC probe Discomfort Index and Net Ind
38. 2009 06 17 Si certifica che gli strumenti sotto riportati hanno superato positivamente tutti i test di produzione e sono conformi alle specifiche valide alla data del test riportate nel la documentazione tecnica We certify that below mentioned instruments have been tested and passed all production tests confirming compliance with the manufacturer s published specification at the date of the test La riferibilita delle misure ai campioni internazionali e nazionali delle unit del SIT garantita da una catena di riferibilita ininterrotta che ha origine dalla taratura dei campioni di laboratorio presso l Istituto Primario Nazionale di Ricerca Metrologica The traceability of measures assigned to international and national reference samples of SIT units is guaranteed by a uninterrupted reference chain which source is the calibration of la boratories samples at the Primary National Metrological Research Institute Tipo Prodotto Strumento multifunzione Product Type Multifunction Meter Nome Prodotto DO9847 Product Name Responsabile Qualita Head of Quality A DELTA OHM SRL 35030 Caselle di Selvazzano PD Italy Via Marconi 5 Tel 39 0498977150 r a Telefax 39 049635596 Cod Fisc P lva IT03363960281 N Mecc PD044279 R E A 306030 ISC Reg Soc 68037 1998 121 GUARANTEE Wella OHM GUARANTEE CONDITIONS All DELTA OHM instruments have been subjected to strict tests and are guaranteed for 2
39. 4 months from date of purchase DELTA OHM will repair or replace free of charge any parts which it considers to be inef ficient within the guarantee period Complete replacement is excluded and no request of damages are rec ognized The guarantee does not include accidental breakages due to transport neglect incorrect use in correct connection to voltage different from the contemplated for the instrument Furthermore the guaran tee is not valid if the instrument has been repaired or tampered by unauthorized third parties The instru ment has to be sent to the retailer without transport charge For all disputes the competent court is the Court of Padua The electric and electronic devices with the following symbol cannot be disposed in the public dumps According to the Directive UE 2002 96 EC the European users of electric and electronic devices are allowed to give back to the Distributor or Manufacturer the used device at the time of purchasing a new one The illegal disposing of electric and electronic devices is punished by a pecuniary administrative penalty This guarantee must be sent together with the instrument to our service centre N B Guarantee is valid only if coupon has been correctly filled in all details Instrument type a DO9847 Serial number RENEWALS Date Date Inspector Inspector Date Date Inspector Inspector Date Date Inspector Inspector CE CE CONFORMITY Safety EN61000 4 2 EN61010 1 LEVEL 3 LAY Electrostatic
40. 472 S4L Hotwire probe provided with a SICRAM module to measure air velocity cal culated flow and temperature Velocity from 0 05 to 40m s temperature com pensation from 0 to 80 C temperature from 30 to 110 C 2m cable included Omni directional hotwire probe provided with SICRAM module to measure air velocity calculated flow and temperature Velocity from 0 05 to 5m s tem perature compensation from 0 to 80 C temperature from 10 to 110 C 2m ca ble included Hotwire probe equipped with SICRAM module to measure air velocity calcu lated flow and temperature Velocity from 0 05 to 40m s temperature com pensation from 0 to 80 C temperature from 30 to 110 C 2m cable included Articulated tip for easy positioning Omni directional hotwire probe provided with 120mm base and telescopic shaft to measure velocity calculated flow and air temperature Velocity from 0 05 to 5m s temperature compensated from 0 to 80 C temperature from 0 to 80 C Probe equipped with SICRAM module and 2m cable Omnidirectional hot wire telescopic probe to measure velocity calculated flow and air temperature Velocity from 0 05 to 5m s temperature compensated from 0 to 80 C temperature from 0 to 80 C Probe equipped with SICRAM module and 2m cable Omnidirectional hot wire telescopic probe to measure velocity calculated flow and air temperature Velocity from 0 05 to 5m s temperature compensated from 0 to 80 C temperature from 0 to
41. 7 Multifunction Instrument TP471 TP471D0 TP471D SICRAM electronic module for PRT sensors without probe To the module which has a 4 wire input the user can connect temperature probes with a Plati num sensor Pt 25 Q 100 Q or 500 Q It is possible to calibrate the complete probe of the SICRAM module If you know the Callendar Van Dusen parameters of the probe these can be inserted in the memory thus obtaining a calibrated probe SICRAM electronic module for thermocouple sensors 1 input without com pensation of the cold junction with 2 wire copper output cable L 1 5m for connection with the thermocouple with cold junction at 0 C in ice Probes of the type K J E T N R S B may be connected The calibration data remain in the memory To be necessarily used when an uncertainty of joint temperature at 0 C not higher than 0 01 C is required Reference at 0 C SICRAM electronic module for thermocouple sensors with MIGNON connec tor with 1 input To the module the user can connect 1 thermocouple probe type K J E T N R S B it 1s possible to calibrate the complete probe of the SICRAM module the calibration data remain in the memory 108 TP471D1 SICRAM electronic module for thermocouple sensors type K J E T N R S B with MIGNON connector with 2 inputs To the module with two inputs the user can connect 2 thermocouples of the same type K J E T N R S B even though of different shapes it is
42. 80 C Probe equipped with SICRAM module and 2m cable Vane probe equipped with SICRAM module to measure air velocity calcu lated flow and temperature through a thermocouple sensor Vane diameter 100mm Velocity from 0 6 to 30m s temperature from 25 to 80 C Probe provided with handle telescopic shaft on request Minimum length with handle L 360mm maximum length L 1025mm 2m cable included Vane probe equipped with SICRAM module to measure air velocity and calcu lated flow Vane diameter 60mm Velocity from 0 3 to 20m s operating tem perature from 25 to 80 C 2m cable included Provided with handle and tele scopic shaft Vane probe equipped with SICRAM module to measure air velocity and calcu lated flow Vane diameter 16mm Velocity from 0 8 to 20m s Probe is equipped with handle telescopic shaft on request Minimum length with han dle L 360mm maximum length L 1025mm 2m cable AP472 S4LT Vane probe equipped with SICRAM module to measure air velocity calcu lated flow and temperature Vane diameter 16mm Velocity from 0 8 to 20m s Temperature from 30 to 120 C with K thermocouple sensor Probe is 112 AP472 S4H equipped with handle telescopic shaft on request Minimum length with han dle L 360mm maximum length L 1025mm 2m cable Vane probe equipped with SICRAM module to measure air velocity and calcu lated flow Vane diameter 16mm Velocity from 10 to 50m s Probe is equipped with handle teles
43. AILURE LOW BATTERY Logging cannot be starter as the battery level is too low Log refused 8 LOW BATTERY WARNING AND BATTERY REPLACEMENT The battery symbol situated in the top left hand corner of display constantly indicates the state of charge of the batteries in the instrument As the batteries run low the symbol gradually empties E E O OO When the voltage of the batteries has reached the limit value of 4 4 Volt the symbol flashes In these conditions the batteries should be replaced as soon as possible If you continue to use the instrument and the battery voltage falls as low as 4 0V_ the instrument is no longer able to ensure correct measurement The data in the memory are not lost If the instrument is logging and battery voltage falls under the minimum operating level log ging will be stopped to avoid loosing data In this case a message indicating that logging has been interrupted due to low battery reasons will appear on display and on the printout of ac quired data Stop code low_batt on display and Log stopped on low battery on the printout The battery symbol changes to when an external power supply is connected To change the battery switch off the instrument then turn the two retaining screws of the battery compartment cover in an anti clockwise direction After replacing the batteries 4 1 5V alkaline bat teries type AA close the cover and turn the two screws in a cloc
44. B RTD ser number 70000006 Calibration mode Factory Probe C RTD ser number 70000007 Calibration mode Factory Printing absolute data When appropriate measurements are referred to temperature 23 0 C and to atm Pressure 1013 0 mbar DATE TIME Channel A B C 2001 01 01 12 02 24 100 00 C 19 76 C 23 95 C 2001 01 01 12 02 29 100 00 C 1970 C 2351C 2001 01 01 12 02 34 1O00 00FC TTS Z7 CTZ TIT 2001 01 01 12 02 39 100 00 C 19 76 C 22 88 C N samples 4 MIN 100 00 C 19 76 C 22 88 C MAX TOO O0 CTTI 7O CTIS C AVG 100 00 C 19 76 C 2338 C Absolute data printed THE ALL FUNCTION The lt 4 SerialOut gt gt lt F3 ALL gt function sends the values measured by the 9 inputs of the instru ment A1 A2 A3 B1 B2 B3 C1 C2 and C3 and the internal temperature Ti in real time directly to the PC It is not possible to modify the variables to be printed NOMEAS means that no probe is connected to that input or that no measurement is provided Each acquisition is preceded by the date and time The data are printed according to the table below Time Al A2 A3 Bl B2 B3 Cl C C3 Ti When starting the acquisition the following details are provided e probe serial number and calibration type e temperature and reference pressure see paragraph 8 Options at page 26 To start this function press lt 4 SerialOut gt and then lt F3 gt ALL _ 92 ao E lt Serial out function gt to stop it
45. E E SEBS 86 TCO 2 C110 TIM CUIOM cenae AA T ine asesese seed esas ance use ione ede saa Resse nee Tennessee 88 DEMIS SCP CCH ANIC UON ica sat clactarraacncremnntien E A sis coaw aaaoueleibeugenma E A aumeanousiceeds 90 Th RCD Tunes oy 0 Beemer E erated nme rT One ee nn Cony mt ECT Err OnInT ecemn ey er er 91 EAL abun teins shemmeenee mn cere erceee ner e ncn ret meet tan neon NN ne Smet a Nearer mere eiroenn tn S 92 INSTRUCTIONS FOR CONNECTING THE DO9847 TO A PC WITH WINDOWS OPERATING SYSTEM a a T eons sue eion ca a veseatseeleweae vase ciease euler veccdedsauauu ccs eusveutecee waeweseeuleutiuearsestealoces 94 FIGEGW abe C ONC Cll Oleg snstcotacahinuinancuedba tesa in bud sett anahicadncantlatacslsaediestase tee a toute ds atesuctharwnneMndudiaitosstaisane 94 Software connection with WINDOWS 95 98 NT ME 2000 and Xp uo ccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeess 94 TECHNICAL DATA OF THE DO9847 MULTIFUNCTION INSTRUMENT csssssssssssscsrrrecccccsssssscees 103 Technical data of the modules combined with the instrument ccccesssssccceeceeeceseeseeesesnsnaeeeeeeeeeeceseseesessnaaaeees 104 ORDER CODE Sorsi oane aeae aa ae aaaea o 108 APPENDS airera eaer EN EEEE ESEO E E OERIEN TSE aa 116 ECOG SENSOR esrden cas A weg i a en ee AR 116 120 CERTIFICATO DI CONFORMITA DEL COSTRUTTORE MANUFACTURER S CERTIFICATE OF CONFORMITY rilasciato da issued by DELTA OHM SRL STRUMENTI DI MISURA DATA DATE
46. G CHANGE OF PROBE DETECTED appears press any key __ eerie Select one channel Pyranometer Albedomet 3 Time date from list calibration Calibrate l A 12345678 Pyranom gt 1 j gt set incident channel nano_V W m min 5000 max 30000 10000 DUtility 9 More lt ESC gt exit cancel Press the key lt 5 gt to enter the calibration submenu With the keys lt 1 gt lt 2 gt or lt 3 gt select the mod ule of the solarimeter from the list proposed by the instrument in the example only one module for solarimeters is connected a screen appears which asks you to insert the sensitivity of the thermo pile which detects the incident radiation in nano V Wm S Type in the value which must be be tween 5000 and 30000nV Wm and press lt ENTER gt to confirm it In this way a second screen appears referring to the sensitivity of the thermopile which detects the reflected radiation lt ESC gt exit cancel 1uV is equal to 1000nV 65 MAIN MENU Pyranometer Albedomet Select one channel calibration from list Config set reflected channel _ 4 _ 1 A 12345678 Pyranom _y P 3 Time date nano_V W m 7 R 5 Calibrate 5 Reset Utility min 5000 max 30000 8 Options 39 More 10000 lt ESC gt exit cancel lt ESC gt exit cancel Insert the second parameter or leave the default value of 10000 if the second input of the module is not being used press lt EN
47. I Modules Measuring range Thermocouple K Thermocouple J Thermocouple T Thermocouple E Thermocouple R Thermocouple S Thermocouple B Thermocouple N Resolution Thermocouples K J T E N Thermocouples R S B Accuracy Thermocouple K 200 C 1370 C 100 C 750 C 200 C 400 C 200 C 750 C 200 C 1480 C 200 C 1480 C 200 C 1800 C 200 C 1300 C 0 05 C from start of scale to 350 C 0 1 C from 350 C to full scale 0 1 C on the whole scale 0 1 C up to 600 C 0 2 C beyond 600 C Thermocouple J Thermocouple T Thermocouple E Thermocouple R Thermocouple S Thermocouple B Thermocouple N 0 05 C up to 400 C 0 1 C beyond 400 C 0 1 C 0 05 C up to 300 C 0 08 C beyond 300 C 0 25 C 0 3 C 0 35 C 0 1 C up to 600 C 0 2 C beyond 600 C Accuracy refers to the instrument combined to the module it does not include the er ror due to the thermocouple and to the reference sensor of the cold junction Temperature drift 20 C 0 02 C Measuring relative humidity and temperature HP472AC HP572AC HP473AC HP474AC Measuring relative humidity Sensor Typical working temperature of the probe Measuring range Accuracy Resolution Temperature drift 20 C Response time RH at constant temperature HP475AC HP475ACI HP477DC HP478AC modules Capacitive 40 C 150 C 0 LOO R H 1 RH in the range 20 90 RH 2 RH in the range 10 99 RH
48. S VP473 AND IP472 FOR MEASURING VOLTAGE AND CONTINUOUS CURRENT SICRAM module VP473 read the continuous current applied at the input in the measuring range from 20Vdc to 20Vdc with a input slope of IMQ If it is connected to the output of a transmitter with voltage signal it can read and measure the relevant value re Active transmitter Vin E o N E x SHIELD Voltage output Module connections VP473 to an active transmitter with voltage output The module SICRAM IP472 read the continuous current applied at its input in the range 0 24mA with a input slope of 25Q The typical application is the reading and storing of output signal of a ac tive or passive current transmitter as per the following drawings lin Active transmitter lin Li Hiss EH i SHIELD Optional sae Connections of IP472 module to an active transmitter with current output lin Iin Passive transmitter bh mmm Connections of IP472 module to a passive transmitter with current output 4 20mA FO UPDATING FIRMWARE The firmware that is the programme which manages all the instrument functions may be updated by transferring the file to the DO9847 through the serial port RS232C In this way it 1s possible to add new types of probes
49. S8 Module Measuring Range 10mbar S1 20mbar S2 50mbar S3 100mbar S4 200mbar S5 500mbar S6 lbar S7 2bar S8 Max Overpressure 200mbar S1 S2 S3 300mbar S4 Ibar S5 S6 3bar S7 e 6bar S8 Accuracy 25 C 0 5 f s 10 20 SOmbar 0 25 f s 100mbar 0 12 f s 200 500 1000 e 2000mbar Temperature Range 10 60 C Fluid in contact with diaphragm non corrosive dry air and gas Connection 5mm tube Hot wire Fan or Pitot tube air velocity Measurement AP471 AP472 and AP473 modules See technical specifications listed in the tables at the end of each chapter dedicated to a sin gle probe AP471 Modules Hot wire air velocity measurement from page 50 table on page 55 AP472 Modules Fan air velocity measurement from page 56 table on page 60 AP473 Modules Pitot tube air velocity measurement from page 61 table on page 64 Photometric and radiometric measurements module LP471 See technical specifications listed in the chapter dedicated to the light probes from pag 72 107 DO9847K 9CPRS232 ORDER CODES The kit is composed of the multifunction instrument 4 alkaline batteries 1 5V each instructions manual and carrying case Any modules probes softwares and connection cables for serial output must be ordered separately sub D 9 pole female female connecting cable for RS232C null modem SICRAM Modules to Measure Temperature for DO984
50. SC CLR gt twice to return to normal measurement G At this point to start logging press the key lt 2 LOG gt press the lt F1 gt function key to start the logging of the variables at the display or lt F3 gt to log all the variables the letters L and B flash or only the letter L if an external power supply is being used H When the desired time has elapsed press lt 2 LOG gt to end logging Notes 1 as the logging interval is less than 60 seconds the instrument does not switch off between one logging operation and the next 2 Switching off the instrument with the lt ON OFF gt key ends the current logging session Example 2 you want to log the trend of three quantities for example three temperatures with an interval of 100 seconds start and stop commands are given by the instrument moreover you want the instru ment to switch off between two consecutive logging operations to save battery consumption A Insert the three probes in the instrument B Switch on the instrument C If there has been a change in the probes at the inputs with respect to the previous measuring session the instrument notifies the operator with the message WARNING CHANGE OF PROBES DETECTED Press NOW any key to choose settings or wait to self config When any key is pressed within 3 seconds the menu is opened in which the instrument configura tion parameters can be altered If you do not think it necessary to change
51. SENSOR zero point of the probe This l means that failing the wind ve AMBIENT TEMPERATURE SENSOR locity and flow values provided by the probe at a temperature next to that of the airstream to be measured shall correspond to Zero The AP471 S1 S2 and S3 probes are fitted with a cylindrical protection screen that can slide longi tudinally over a groove The screen has two end of travel positions that block it in measurement condition completely low or rest condition completely high To reduce the space occupied when CYLINDRICAL SLEEVE S measurement will be stopped and restarted Extend the telescopic shaft as much as necessary taking care that the cable passes through the handle without any problem Cover the velocity sensor and reset the measurement value as detailed in the previous paragraph Uncover the sensor and position the probe in the airstream to be measured holding the arrow on the top of the probe parallel to flow as indicated in the following pictures Fe Ld Sf f 5 not used the AP471 S4 AP471 S5 and AP471 S6 are supplied with a protection inder that can be screwed on the probe s head The procedure is the following slide the cy lindrical shield up till the complete closing of the air sensor window placed on the top of the probe By the AP471 S4 S5 and S6 probes the protection cylinder closes the probe top Place the head of the probe in the air
52. TER gt to confirm and lt ESC CLR gt twice to return to normal measure ment At this point the instrument supplies the indications of the solarimeter outputs in voltage in mV or in global radiation in W m Electrical connection of the solarimeter or of the albedometer to the VP472 module The VP472 module is provided with a 6 pole terminal board with screw connectors Connect the so larimeter or the albedometer respecting the correct polarity of the signals the figures below show the connections for the solarimeter Delta Ohm LPPYRAO2 and the two albedometers LP PYRA 06 and LP PYRA 05 In the case of a single output solarimeter LP PYRA 02 or LP PYRA 03 connect only input 1 of the module incident radiation and make a jumper between the inputs 2 Connect the shield of the cables to the terminal indicated with SHIELD l l RED RED BLUE Y BLUE I T xii p SF ies BLACK 7 2o N W K SHIELD nn i D BLACK SHIELD UPPER TERMINAL LOWER TERMINAL BOARD BOARD LP PYRA 02 QS QO Electrical connection of the VP472 module to the solarimeters LP PYRA 02 and LP PYRA 03 RED INCIDENT RAD BLUE INCIDENT RAD WHITE CONTAINER UPPER TERMINAL BOARD 2 WSO OSV SOY
53. a thermocouple sensor Differential pres sure up to 20mbar Velocity from 2 to 55m s temperature compensation Avoid environments with corrosive gas and air To be used in environments with dry gas and air only Pitot tube probe equipped with SICRAM module to measure air velocity cal culated flow and temperature through a thermocouple sensor Differential pres sure up to 50mbar Velocity from 2 to 90m s temperature compensation Avoid environments with corrosive gas and air To be used in environments with dry gas and air only Pitot tube probe equipped with SICRAM module to measure air velocity cal culated flow and temperature through a thermocouple sensor Differential pres sure up to 100mbar Velocity from 2 to 130m s temperature compensation Avoid environments with corrosive gas and air To be used in environments with dry gas and air only 113 PW AP473 S m Extension with male female standard miniature connectors to connect the Pitot tube s thermocouple K to the instrument length 2m odules can be accompanied by T1 T2 T3 and T4 Pitot tubes see page 63 SICRAM modules for measurements of continuous voltage and continuous current for the DO9847 multifunction instrument VP473 IP472 SICRAM electronic module for reading continuous voltages Connected to the output of transmitter with a voltage signal 1t can read and acquire the value Measuring range 20Vdc Input impedance IMQ SICRAM el
54. alue of the circular surface diameter using the Up and Down arrows The value has to be expressed either in cm or in ft according to the selected unit of measurement metric or English system The instrument will display the area value depending on the se lected units should the English system be active the area will be indicated both in ft and in cm Press Enter to confirm Generic Surface area utility menu D Area rectangle Please enter new area 1 Area circle in Square centimeters c Area direct entry using numeric keys 3 Metric imperial unit in use metric 000100 lt ESC gt exit cancel lt ESC gt exit cancel Use the numeric keys to enter the value of the area the area value has to be selected be tween 100 and 100000cm that is between 0 01 and 10m If the area value exceeds the a m limits the instrument will provide an error signal and will set the default value 100cm o 25 8 OPTIONS It makes a list of calculating parameters used by some of the modules connectable to the instru ment 8 1 Comp Temp Select Selection of Compensating Temperature It selects the source of temperature compensation where provided 1 e for air velocity pH conductivity measurements etc Press lt 0 gt to select the instrument internal temperature Ti as 0 Ti source source for compensation Use the keys lt 1 MATH gt lt 2 LOG gt a Sous and lt 3 TIME gt to view the temperature detected by the probe r
55. asurement the sensor placed on the top of probe has to be protected by the metal sleeve or by a threaded cylinder which the probe is equipped with During the use the ominidi rectional probes AP471 S4 and AP471 S5 have to be protected by the relevant metal frame sup plied together with the instrument During the transport the sensor has to be closed in the rele vant protection cylinder by screwing it on the end of the probe Do not touch sensors with your fingers Use pure alcohol to clean sensors The velocity sensor of AP471 S probes is heated up and in presence of vapour or _ 52 Dimensions 85 200 min 880 max 8 7 m 13 AP471 S2 sE lt alli AP471 S6 53 OcOL XVW OSE NIN AP471 S5 AP471 S4 _ 54 Technical Specifications AP471 S4 AP471 S1 AP471 S3 AP471 S2 AP471 S5 AP471 S6 Type of Measurements Air Velocity Calculated Flow Air Temperature Type of Sensor Velocity NTC thermistor Omni directional NTC thermistor Temperature NTC thermistor NTC thermistor Measurement Range Velocity 0 05 40m s 0 05 5m s Temperature 30 110 C 30 110 C Measurement Resolution 0 01 m s 0 05 40 m s 0 01 m s 0 05 5 m s 0 1 km h 0 1 km h 1 ft min 1 ft min 0 1 mph 0 1 mph 0 1 knots 0 1 knots Velocity Temperature 0 1 C 30 1 10 C 0 1 C 30 110 C Measurement Accuracy Velocity 0 05 m s 0 05 0 99 m s 0 02m s
56. ate of charge of the batteries timing in real time lmin month max deviation in 16 data files subdivided in pages of 16 samples each total 32000 samples in 16 data files subdivided in pages of 5 samples each total 10000 samples Is 3600s 1 hour RS232C galvanically insulated settable from 300 to 115200 baud 8 None Stop bits Flow control Cable length Immediate printing interval Connections Module input for probes Serial interface Mains adapter Firmware l Xon Xoff Max 15m Is 3600s 1 hour 5s 3600s 1 hour with baud rate 300 DIN45326 8 pole connector DB9 connector male 9 pole 2 pole connector positive in the middle Updatable through the serial port of the instrument using DeltaLog3 soft ware starting up from instrument version 2 0 TECHNICAL DATA OF THE MODULES COMBINED WITH THE INSTRUMENT Temperature measurement with a PRT Platinum sensor TP471 Module Resistance values of the PRT 0 C Measuring range Pt25 Pt100 Measuring range Pt500 Accuracy with Pt25 Pt100 sensor Accuracy with Pt500 sensor Resolution Temperature drift 20 C Energising current 25Q 100Q 500Q 200 C 850 C 200 C 500 C 0 03 C up to 350 C 0 3 C up to 850 C 0 5 C up to 500 C 0 01 C from 200 C to 350 C 0 1 C from 350 C to 800 C 0 002 C 400uA impulsive Duration 100ms Period 1s Temperature measurement with a thermocouple TP471D0 TP471D TP471D1
57. ay from elements that could interfere with the measurement such as sources of heat or cold walls or draughts etc Avoid extremes of tempera ture which give rise to condensation The reading where there are no large differences in tempera ture is almost immediate instead in the presence or small differences you must wait until the probes and the probe body have reached thermal equilibrium otherwise there is radiance or heat ab sorption on the relative humidity sensor all this leads to an incorrect measurement since as has been said above temperature influences relative humidity Calibration of the Combined Humidity Temperature Probe For correct calibration of the probes it is fundamental to know and respect the physical phenomena on which the measurement is based for this reason it is recommended to scrupulously follow the instructions below and to perform new calibrations only if you are in possession of suitable techni cal knowledge The calibration procedure is accessible from the Menu key lt MENU gt gt Function 5 Calibrate on p 23 there is a definition of the options of the Calibration function applicable to all types of probes When you enter the function with the lt Enter gt key a list of all the probes connected to the instru ment inputs appears select the humidity temperature probe to be calibrated 36 For combined probes two distinct calibration procedures are contemplated one for the tempera ture sensor and
58. by means of lt 0 gt key the integration limit time that will be the same for all of the probes connected to the instrument e Set by means of lt 1 gt lt 2 gt and lt 3 gt keys the integration limit value of one of the probes connected to the instrument inputs e Clear the limit time previously set by means of the lt 4 gt key e Clear any previous setting by means of the lt 5 gt key The asterisk symbol appears aside a set item 69 How to Enter the Integration Final Time Starting from the last screen page shown on page 2 press lt 0 gt Enter the limit time in hours min utes and seconds using the arrows to move from a character to the other Press lt ENTER gt to con firm D set common T_lim x Integration time 1s common to all chan_s 1 set chan A _lim In time limited mode c set chan B _lim chan C Q_lim 3 set chan C _lim set hhh mm ss 4 reset T_lim to D _ 4 reset T_lim to ODO 5 reset ALL to 0 eee 5 reset ALL to D lt ESC gt exit cancel eee lt ESC gt exit cancel common T_lim chan A Q_lim chan B Q_lim How to Enter the Integration Final Value Starting from the main screen page press either lt 1 gt lt 2 gt or lt 3 gt to set the Q t limit related to the probe connected either to A B or C input respectively Items are not displayed if no probe is connected to the relating input Enter the limit value using the arrows to move from a character to the other Press lt ENTER gt
59. copic shaft on request Minimum length with han dle L 360mm maximum length L 1025mm 2m cable AP472 S4HT Vane probe equipped with SICRAM module to measure air velocity and calcu lated flow Vane diameter 16mm Velocity from 10 to 50m s Temperature from 30 to 120 C with K thermocouple sensor Probe is equipped with handle telescopic shaft on request Minimum length with handle L 360mm maximum length L 1025mm 2m cable The temperature limit refers to the top of the probe where the vane and the temperature sensor are located and not to the handle the cable and the telescopic shaft which maximum working temperature is 80 C AP471S1 23 6 Fixed extension shaft 16x300mm M10 male thread on a side female on the other For vane probes AP472S1 S2 and S4 AP471S81 23 7 Fixed extension shaft 16x300mm M10 female thread on a side only For AST 1 AP473 S1 AP473 S2 AP473 S3 AP473 S4 vane probes AP472S1 S2 and S4 Telescopic shaft minimum lenght 210 mm maximum lenght 870 mm Pitot tube probe equipped with SICRAM module to measure air velocity cal culated flow and temperature through a thermocouple sensor Differential pres sure up to 10mbar Velocity from 2 to 40m s temperature compensation Avoid environments with corrosive gas and air To be used in environments with dry gas and air only Pitot tube probe equipped with SICRAM module to measure air velocity cal culated flow and temperature through
60. d by the light probe will be logged 7 TECHNICAL SPECIFICATIONS OF PROBES EQUIPPED WITH SICRAM MODULE LP 471 PHOT ILLUMINANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range lux 0 01 199 99 1999 19 99 10 199 9 10 Resolution lux 0 01 10 0 1 10 Spectral Response Range follows photopic standard curve V A Calibration Uncertainty lt 4 f Follows Photopic Response V A lt 8 f Cosine Response lt 3 f Linearity lt 1 f4 Display Unit Error lt 0 5 fs Fatigue lt 0 5 Operating Temperature 0 50 C LP 471 LUM 2 LUMINANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module 0 1 1999 19 99 10 199 9 10 1 999 10 0 1 1 0 01 10 0 1 10 0 001 10 ihe Measuring Range cd m Resolution cd m Field of View Spectral Response Range follows photopic standard curve V A Calibration Uncertainty lt 5 f Follows Photopic Response V A lt 8 f Linearity lt 1 f4 Display Unit Error lt 0 5 f Fatigue lt 0 5 Operating Temperature 0 50 C Typical Response Curve Relative spectral response LP 471 RAD IRRADIANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range W m 0 1 10 1 999
61. discharge EN61000 4 2 LEVEL 3 BOY Electric fast transients EN61000 4 4 EN61000 4 5 LEVEL 3 Voltage variations EN61000 4 11 RoH Electromagnetic interference susceptibility IEC1000 4 3 EA Electromagnetic interference emission EN55020 class B 122
62. dure The following picture shows the different steps to carry out a calibration on three points User cal_bank lt ENTER gt set O measure l set default Pt100 lt ESC gt skip this phase c calibrate probe J3 view edit parmtrs 4 copy factory data lt ESC gt exit cancel Enter next set point Up Down set reference from 45 00 to 105 00 lt ENTER gt accept lt ESC gt skip this phase 100 00 Temperature measured by the datalogger Use the arrows to change the reference value temperature measured by the reference thermometer Enter the second calibration point the instrument proposes 100 00 C Enter next set point Up Down set reference measure from 150 00 to 400 00 lt ENTER gt accept lt ESC gt skip this phase 200 00 Temperature measured by the datalogger Use the arrows to change the reference value temperature measured by the reference thermometer Enter the third calibration point the instrument proposes 200 00 C 29 Calibration of 0 C insert the probe in a bath at 0 C The instrument display shows the temperature value that it is reading when the reading has stabilised press lt ENTER gt to confirm the point at 0 C for the reference sample probe Press lt ESC gt to move on to the second point without calibrating the first point at 0 C Second and third calibration point the instrument proposes 100 00 C as second calibration point if a different calibration val
63. e KO StopPrit o K4 Statloggins o KS Stoploggins oo Ko Starting of postponed logging gt o K7 Cancel of postponed logging fF K8 Logmode SCREEN _ Too K9 ________ logmode ALL o o To KA Lockreserved function Tooo o KB Unlock reserved function Jo o S o OOO Xoff ctrl S Xon ctrl Q Resume transmission doo O Command characters are exclusively upper case the instrument replies with amp if the command is correct and with a to any wrong combination of characters 3 125 2 THE FUNCTIONS OF STORING AND TRANSFERRING DATA TOA PERSONAL COMPUTER The DO9847 multifunction datalogger may be connected to a personal computer by means of the RS232C serial port and exchange data and information by means of the program Delta Ohm DeltaLog3 which operates in a Windows environment or with HyperTerminal The DO9847 can send the values measured by the three inputs directly to the PC in real time using the functions that may be activated with the key lt 4 SERIALOUT gt or it can store in its internal memory the data measured with the Record function key lt 6 RCD gt and the Logging function key lt 2 LOG gt in the second case the stored data may be transferred to the PC later THE RECORD FUNCTION The Record function stores in the memory the maximum mean and minimum values of the meas urements of the three channels and updates them when new samples are logged There are two log ging functions one at fixed time
64. e Measuring range 0 1 10 W m 2000 W m Radiometric probe for measuring IRRADIANCE equipped with SICRAM module having 220 nm 280 nm UVC spectral response range peak at 114 260 nm quartz diffuser for cosine correction Measuring range 0 1 10 W m 2000 W m LP 471 LUM 2 Photometric probe for measuring LUMINANCE equipped with SICRAM module spectral response following standard photopic vision field of view 2 Measuring range 0 1 cd m 2000 10 cd m 115 APPENDIX Pt100 SENSOR The temperature response of the sensor used in the family of platinum probes type Pt100 is de scribed by means of the of Callendar Van Dusen formula 1 R t Ry e 1 At Bt7 Ct t 100 t lt 0 C 1 2 R t Ree 1 At Br t 0 C The coefficient C is considered equal to 0 for temperatures above zero To find the value of the coefficients of equation 1 it 1s necessary to calibrate the probe on at least three different points once they are known these coefficients are inserted in the regression formula 2 to determine the temperature with relation to the resistance value of the sensor Rtn TE RQ t lt 0 C 2 i NTI A Btp Ctn tpn 100 2 Ro ta 20C t n l A Btpy The coefficients A B and C for Standard Platinum probes are defined by the standard EN60751 em 2 as A 3 9083E 3 C B 5 775E 7 C with R 0 C 100Q C 4 183E 12 C The same standard also defines the value a a
65. e combined probe connected to the inputs of the instrument as well as some quality indices if a combined probe is connected to input A Al repre sents humidity A2 represents the temperature measured by the Pt100 sensor of the probe and A3 Discomfort Index and Net Index see paragraph Humidity and Quality Indices Comfort indices at page 41 for a detailed description of index meaning The instrument measures the relative humidity the temperature and starting from a fixed baromet ric pressure value of 1013 25mbar calculates the following six derived quantities 1 Pvp partial vapour pressure hPa 2 g kg grams of vapour in a kilogram of dry air 3 g m grams of vapour in a cubic metre of dry air 4 J gr enthalpy 5 Td dew point C 6 Tw wet bulb temperature C 7 Td dew point F 8 Tw wet bulb temperature F 9 Svp saturated vapour pressure hPa 10 DiscIndx Discomfort Index 11 NetIndx Net Index The first 8 variables together with relative humidity form a group of nine variables identified on the display with the number 1 Al B1 or C1 depending on whether the relative probe is connected respectively to input A B or C of the instrument The group composed of the temperature of the Pt100 sensor and of the Svp variable is identified on the display with the number 2 A2 B2 or C2 Relative humidity the Discomfort Index and the Net Index are listed in A3 as well as in B3 or in C3 Selection within each of the t
66. e to activate directly the icon chosen in place of HYPERTRM EXE automatically recovering all the set tings saved with the icon e OK to confirm e Cancel in the next window _ 95 C Setting communication select FILE from the Hyper Terminal window one click select PROPERTIES from the pull down menu one click and the Properties window will appear on the telephone number card for the Connect property choose directly to COMI or COM2 depending on the serial port that you intend to use for communication with the measuring instrument s D09847 HyperTerminal JOJ x File Edt View Cal Transfer Help Change Ilcon Countrregior T Enter the area code without the long distance pretis Area code Phone number Connect using Direct to Corn i Use county region code and area code F Redial on busy OF Cancel Disconnected Auto detect SCROLL CAFS NUM Capture Pri g 96 e onthe telephone number card select CONFIGURE one click and the Port settings card will appear e onthe Port settings card select BITS PER SECOND 115200 See note below DATA BITS 8 PARITY None STOP BITS 1 FLOW CONTROL Xon Xoff OK to confirm the port setting one click a D09847 HyperTerminal z File Edt View Cal Transfer Help Dejs 3 XI 2x O x Port settings Bits per second 115200 Data bits le E A Parity None E Stop b
67. e two inputs so that the instrument will not show the value zero even 1f the pressure applied to the two inputs is the same To this purpose the instrument provides a reset command of the differential value leave the probe in puts open to let them measure the same pressure then press lt 0 gt to reset Xsel Ysel Zsel The commands bar will show either null A null B or null C according to the input to which the module is connected Press the corresponding function key to reset differential pressure the instant value will be set at zero 46 AP471 AP472 AND AP473 PROBES FOR THE MEASUREMENT OF AIR VELOCITY EQUIPPED WITH SICRAM MODULE The probes of AP471 AP472 and AP473 series are to be connected to a DO9847 multifunction in strument to measure velocity and flow of an incident airstream Some of these probes can also measure air temperature Applied principles of measurement are three hot wire for the AP471 se ries vane for the AP472 series and Pitot tube for the AP473 series On request the probes of AP471 and AP472 series can be equipped with a telescopic shaft to make measurements in hard to access areas such as in vents or in duct inlets outlets easier Their main applications include the control of air velocity and flow on conditioning heating and cooling plants the definition of ambient comfort etc Hot wire probes are generally used for accurate measurements in environments with a medium low air
68. e use the PRINT SELECTED LOG function to print the data The LOG gt gt ALL function logs 5 measurements each page for a total number of 10 000 measurements 5 measurements each 2000 pages The settings of the parameters for all the logging functions are in the MENU under the item Logging see p 17 for a detailed description Below are some examples of the use of the Logging function explained step by step 88 Example 1 you want to log the trend of three quantities for example three temperatures with an interval of 10 seconds start and stop commands are given by the operator A Insert the three probes in the instrument B Switch on the instrument C If there has been a change in the probes at the inputs with respect to the previous measuring session the instrument notifies the operator with the message WARNING CHANGE OF PROBES DETECTED Press NOW any key to choose settings or wait to self config When any key is pressed the menu is opened in which the instrument configuration parameters can be altered If you do not think it necessary to change them it is sufficient to let this time pass to return to standard measuring conditions See the introduction to the chapter on probes on p 28 D Press lt MENU gt and then lt ENTER gt to enter the Menu E Press 2 Logging and then 0 Log Interval set the logging time interval at 10 seconds and then press lt ENTER gt to confirm F Press lt E
69. ea aeadseataatosea nasa duoassa a oases eee anne aaa eat A tase anes eaten cnet areas 22 A Setial Dicti CommMm nicat Oni Friii ea EEE ENE E AENEA E AETA 22 zy aly 8 8 8 ace one a eS rp ESE A Mr ESE A Ue MTC eae a ME ee Oe 22 E A E E T T A A E A 22 IKC ANOTA ara E URES eRe a ee oR REE Ey erro SR na 23 FRESE euro a abe de seoSon sh nas ac veeasoues sasha eaten E T os asbe ee coa ton ate a E sea ton satan O S 23 Py NAIA ys LP WEIN Ve TUS 25 ee areata cra ecm sates A A A E uae emae een soa EER OnE IoaEES 24 Gel JN CAC ANC MT AULONNS oases ate Sece tactic E E E Seat EE hacen E E R E EET 24 733 O15 10 8 cae eRe nr ne nnre Ane rin nae Renee rte Rare nee Pin REET Reese ere ee Ae ce eee ne te emer ee eee ee ee eer a eee ene 26 8 1 Comp Temp Select Selection of Compensating Temperature ccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeees 26 s 2 Jule OWN VS eA TIN TIME sonnan a a Ae recinegicttan tn ac as dat E RE OER NG EERO tanta ease GAOR 26 8 3 Comp Atm pressure Atmospheric Pressure Compensation ccccccceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 27 THE PROBES sireeni aa oee aaaeeeaa aa aai aa a aaa a e a a a a S 28 POO temperature PODO ensinos a aa a E n ERr 28 Calioraton OF POO PLO OSS oraren EEE EE E A AE E A E EE EUNE A A E 29 Electronic module TP471 SICRAM for PRT sensors without probe occccccccsssccccccccccecsesscccceeeeaaeesseeceeeeaaaeseeeeeeeeaaaees 31 Thermoco ple temperature Pro Des acc
70. easurement require the use of a multiplicative factor when the symbol 3 appears on the top it means that the value displayed has to be multiplied by 1000 Reset Command To reset the peak value press the ESC CLR key The message resetA resetB or resetC appears on the controls bar according to which input the module is connected to When the correspondent F1 F2 or F3 function key is pressed the peak value become the same as the instantaneous value 1026 i gt Web r 25 3 Ysel Zsel During the logging function when the sampling interval is lower than 60 seconds the peak value is cleared thus the value being acquired is the highest peak since acquisition was started On the contrary in case of intervals corresponding to or higher than 60 seconds the peak is cleared after _ 43 each acquisition thus the peak value being stored is the one related to the single interval be tween two subsequent acquisitions Here are the reasons why two different operating modes have been chosen when the sampling interval is short all of the pressure measurements together re flect quite faithfully the progress of pressure over the time In case of long intervals the pressure value of each interval and of the absolute peak does not provide any accurate information know ing each peak value between two subsequent samplings provides an additional information about pressure changes over the time Zero Command There could be a li
71. ectronic module for reading continuous currents in mA Connected to the output of transmitter with a current signal it can read and acquire the value Measuring range 0 24mA Input impedance 25Q Probes Equipped with SICRAM Modules for Measurements of Light to be con nected to DO9847 Multifunction Instrument LP 471PHOT LP 471 RAD LP 471 PAR LP 471 UVA LP 471 UVB LP 471 UVC Photometric probe for measuring ILLUMINANCE equipped with SICRAM module spectral response following standard photopic vision dif fuser for cosine correction Operating Range 0 01 lux 200 10 lux Radiometric probe for measuring IRRADIANCE equipped with SICRAM module with spectral response range from 400 nm to 1050 nm diffuser for cosine correction Operating Range 0 1 10 W m 2000 W m Quantum radiometric probe for measuring chlorophyll photon flow PAR Photosynthetically Active Radiation 400 nm 700 nm equipped with SICRAM module measuring in pmol m s diffuser for cosine correction Measuring range 0 01umol m s 10 10 umol m s Radiometric probe for measuring IRRADIANCE equipped with SICRAM module having 315 nm 400nm UVA spectral range peak at 360 nm quartz diffuser for cosine correction Measuring Range 0 1 10 W m 2000 W m Radiometric probe for measuring IRRADIANCE equipped with SICRAM module having 280 nm 315 nm UVB spectral response range peak at 305 nm quartz diffuser for cosine respons
72. ed with two pressure inputs to be connected to the Pitot tube outputs and with an input for thermocouples type K The measurements provided by the modules are e air velocity and differential pressure Pv Al B1 o Cl e air temperature measured by a thermocouple A2 B2 or C2 e flow A3 B3 or C3 Press lt 9 UNIT gt to select the units of measurement of the displayed instant value e for air velocity m s km h ft min mph knots e for differential pressure one unit of measurement only Pa e for temperature C F o K e for flow l s m s m min ft s ft min Operation Insert SICRAM module connector in one of the instrument inputs 1 e A connect Pitot tube outputs pressure and thermocouple to the module Introduce the Pitot tube in the airstream to be measured positioning the little rod at the bottom of the tube parallel to the flow as indicated in the following figure AP473 S 62 The graph below shows the error in case of misalignment 0 6 0 4 0 2 0 0 0 2 0 4 0 6 0 8 1 0 1 2 Pv ERROR 1 10 97 0 si 10 15 ANGLE The axis of abscissas shows the rotation angle around the vertical axis with respect to the flow direction yawing the ordinate axis shows the error on Pv differential pressure measurement As you can see a difference of more than 10 C implies an error in the differential pressure measurement
73. ermocouple probe or of the two probes if the double module is connected automatically go to the value indicated as the Target and e 33 measured by the reference thermometer Move on to the next point or press lt ESC CLR gt to end calibration Second Calibration Point Up to three points are calibrated for compensating probe gain The three points may be chosen at will as long as they are in increasing order Moreover if you do not think it necessary to per form calibration on all three points it is possible to calibrate only the first and not the other two using the lt ESC CLR gt key or you can do the first and the second but not the third point lt ENTER gt proceed to First Point calibration or skip lt ESC gt exit cancel Bring the calibrating oven to the temperature contemplated for compensating the gain of the sec ond point and immerse the probe in it or the two probes of the double module Wait until the probes have reached the oven temperature and then press lt ENTER gt The following screen ap pears First Point Up Down set Target lt ENTER gt calibrates lt ESC gt to next point Target Chan A Chan B The instrument proposes the temperatures read by the input channels A and B and an estimated value of the oven temperature in the figure above the instrument has found the temperatures 100 55 C and 100 30 C for channels A and B and has proposed as oven temperature 100 0 C
74. es lahat R a A E E EA 32 Calibration OF TNE ocouple FTODES sorces una a bude a a a a 32 Relative humidiiy PODES zernai a ee ee ee ee ees 35 Calibration of the Combined Humidity Temperature Probe cccccceeseeeeeeeeesessssssseesssssssessssssssssssssssseaaaaas 36 Calibration of the Pt100 or thermocouple Temperature SensoP ccccccesesesesssssesssesssssssssssssseeeeeeeeeeeeeeeeeeaaaaas 37 Calibration of the Relative Humidity Sensor cccccccesssssssssssessssssessesssessssssssssssssssesssseesassssssssesseessasssaaaaaaas 37 Humidity and Quality Indices Comfort Indices ccceeeeessesssesseessssssssssesssssesessesssceeeeeeeeeeeeeeeeeeeeeeaeeseeaeeeaaaaaaaaaas 4 Discomiort Index 4 Deruni a sata ass bau seaadouiataawbe Case dona ae a Nerde N oeaiei oe eRe nee eae nto ere hale ah nae hare Race Da dace a heen tat nc a lca Dane ote PP471 electronic module for pressure measurement cccccceeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees PRC DAU VS S he a atc E A E eich a ncaa name ae mato sais alec T T I T A PP472 Electronic Module for Barometric Pressure Measurement ccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees PP473 Electronic Module for the Measurement of Differential Pressure ccccccccccceeceseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees AP471 AP472 and AP473 Probes for the measurement of Air velocity equipped with SICRAM
75. ettings or wait to self config When any key is pressed within 3 seconds a menu is opened in which the instrument configuration parameters may be modified If you do not consider it necessary to modify them it is sufficient to wait 3 seconds to return to the standard measuring con ditions If you disconnect a module the notice COM FAILURE communication error will ap pear indicating that there is no communication between the module and the instrument insert the probe again in the same input to restore correct measurement conditions For further details on the probe see the paragraphs below concerning the individual measurements Pt100 TEMPERATURE PROBES The DO9847 accepts at input Platinum temperature probes with a resistance from 25Q to 500Q Platinum probes have 4 wire connections the energising current 1s chosen in such a way as to minimize the effects of self heating of the sensor All Pt100 probes are calibrated in the factory the user can choose whether to use this calibration or to make a new one and even protect it with a password see the heading 1 3 Probe options on p 16 The user can choose what unit of measurement to use for viewing and printing from among those allowed with Pt100 probes C F or K see the instructions for selecting the unit of measurement on p 10 In the appendix of the instructions manual there is a description of the mathematical function used by the instrument for finding the tempe
76. ex are included in the group of variables identified by number 3 A3 B3 or C3 according to whether the probe is connected either to A B or C input respectively An example of instrument setup to dis play the Net Index is detailed on page 35 The Net Index also depends on air velocity as stated in the definition given in the following pages If the instrument is connected to a hot wire anemometric omni directional probe model AP471 S2 the air velocity measurement will be used to calculate the index Should no probe be connected the air velocity value will be considered zero and its contribution negligible 2 AL lt Discomfort Index DI It is defined as follows DI 0 8leT 100 e 0 99 eT 14 3 46 3 Where T temperature in C and H relative humidity in According to the value provided by the DI index climatic conditions might be defined comfortable uncomfortable or unbearable Slightly Highly Comfortable Wacom nabi Uncomfortable E Unbearable 68 70 75 80 86 Net Index NI It is defined as follows n3t 7T osi Hr 0 68 0 0014 0H oe 1 76 1 40y where T temperature in C H relative humidity in and v air velocity in m s NI provides the so called apparent temperature in fine climatic conditions the Net Index ap proaches the T temperature expressed in C Celsius degrees As climatic conditions get worst humidity weight and air velocity become always more ev
77. f the key is pressed when outside the menu it decreases the display contrast F1 Function key F1 Function key F1 The function performed by this key varies according to the active operation For the Xsel function see the paragraph Xsel Ysel and Zsel commands F2 Function key F2 Function key F2 The function performed by this key varies according to the active operation For the Ysel function see the paragraph Xsel Ysel and Zsel commands F3 Function key F3 Function key F3 The function performed by this key varies according to the active operation For the Zsel function see the paragraph Xsel Ysel and Zsel commands 1 Use of the lt Hold gt key CURRENT MEASUREMENT HOLD MEASUREMENT FROZEN the message HOLD appears the values on the display are not updated HOLD CURRENT MEASUREMENT e I2 Use of the lt REL gt key CURRENT MEASUREMENT REL The display shows the relative measurement equal to zero if the input signal has not varied in the mean time The display shows the relative measurement Chan nels A and C have increased channel B has de creased REL CURRENT MEASUREMENT 13 XSEL YSEL AND ZSEL COMMANDS In the basic display the function F1 is associated with the Xsel command With this command it is possible to set the variable that is to appear on the first line of the display this variable refers to all three inputs of the instru
78. first line of the display when the function key F1 is pressed the measurement will be displayed in C in F and in K When the key F7 is pressed again the measurement will return to in C If only one unit of measurement is contemplated pressing the respective key will produce no consequence The setting influences all that is shown on the display and the immediate printing of data key lt 4 SERIALOUT gt The data stored with the LOG logging function keep the units of measure ment chosen at the time of recording lt Decimal point Key In the menu it writes the decimal point When pressed after the lt MENU gt key it toggles the instru ment s automatic shut off function AutoPowerOff 4j Pei Ja Key GG 66 In the menu it allows you to insert the sign in front of a number or in a mathematical function Activates and deactivates the relative function with SICRAM module PP471 for TP704 and TP705 pressure probes 10 Up Left Key Key for shifting the cursor during data input in the menu and for regulating the display contrast if the key is pressed when outside the menu it increases the display contrast l ENTER Key ENTER Key for confirming the active function To increase battery life it applies and turns off power sup ply to the hot wire probes when connected vy p Down Right Key Key for shifting the cursor during data input in the menu and for regulating the display contrast i
79. hermal shock to the Pt100 temperature probes as these could cause irreparable damage To obtain a reliable temperature measurement too fast temperature variations must be avoided Temperature probes for surface measurements contact must be held in a vertical position with respect to the surface Apply a some oil or heat conductive paste between the surface and the sensor so as to improve contact and reduce the reading time Do not absolutely use water or solvents to do this Measurements on non metal surfaces require a great deal of time on account of their low heat conductivity The probes are not insulated from their external casing Be very careful not to come into contact i with live parts above 48 V this could be dangerous not only for the instrument but also for the operator who could suffer an electric shock Avoid taking measurements in the presence of high frequency sources microwaves or large magnetic fields as the results would not be very reliable Always clean the probes carefully after use The instrument is resistant to water but it is not watertight and should not therefore be immersed in water If it should fall into the water take it out immediately and check that no water has in filtrated The instrument must be handled in such a way that water cannot get in through the connector side z 90 lt INSTRUMENT SIGNALS AND MALFUNCTIONS The following table lists the indications given by the instrument in the va
80. hree groups is made with the key lt 9 UNIT gt as shown in the example below Suppose that a combined humidity and temperature probe is connected to input A of the instrument and you want to show the dew point Td in C on the first line of the display the saturated vapour pressure svp on the second line and the Net index on the third one Procedure if the display is not set to view Al A2 and A3 variables press F1 Xsel until you see the indica tion Al on the first line press key F2 Ysel to see the indication A2 on the second line and F3 Zsel to see the indication A3 on the third line At this point press the key lt 9 UNIT gt BS lt me Ti 279 5 L Xsel Ysel and Zsel items available in the commands bar are replaced by unitX unity and unitZ items Press the function key F1 unitX repeatedly to select the Td C variable included in the first group of variables RH Pvp g kg g m J gr Td C Tw C Td F Tw F 249 5 L l Accordingly for the second line of the display press F2 function key to select the Svp variable included in the list of variables of the second group Pt100 temperature in C F or K and Svp and press F3 to choose the Net Index variable included in the third group RH Discomfort Index or Net Index The measurement with the combined probe 1s carried out by introducing the probe in the area where you want to find the parameters Keep the probe far aw
81. ident and the Net Index provides an appar ent temperature that reflects the human typical feelings and deviates significantly from the tempera ture value e Ina hot climate NI increases as temperature and or humidity increases but it decreases as wind increases e Inacool climate NI decreases as temperature decreases and as humidity and wind increase a AD lt PP471 ELECTRONIC MODULE FOR PRESSURE MEASUREMENT The electronic module PP471 connect the instrument with the TP704 and TP705 series Delta Ohm pressure probes When switching on the instrument allows automatically the acknowledgement of the module PP471 while the kind absolute relative or differential and the full scale value of the probe are acknowledged even if the instrument is switched on if no logging or recording is running it s not necessary to switch off and then on the DO9847 to change the probe connected to the mod ule The module supplies two values identified with the number ad 2 1 A1 B1 or C1 the instantaneous value of pressure and 2 A2 B2 or C2 the peak value identified with a lowercase p letter near the measuring unit The lt 9 UNIT gt key changes the measuring unit of the instantaneous and peak values The following units of measurement are available Pa hPa kPa mbar atm mmHg mmH O kfg cm PSI inchHg me Ti 25 3 C 10256 mbar bar atm mmHg mmHe0 kgf cme WL oO PSI Hginch Pa hPa kPa Some units of m
82. imeter or albedometerf cccccccseccccccccccs ss eseeseeceeeee ne eeseeeeeeeeeaaeeeeeeeeesaaaasseeeeeeseaaaees Electrical connection of the solarimeter or of the albedometer to the VP472 module cccccceccecceccescesceeces LP 471 PHOT RAD UVA UVB UVC PAR and LUM2 Photometric and Radiometric Probes equipped Wt SE RA MGI OCU G enuen aa r aE E Ao ubvasdawca don R OT INIE TINTEG RATION cuiere e a bees aettienanncissasaaieceievens TECHNICAL SPECIFICATIONS OF PROBES EQUIPPED WITH SICRAM MODULE ccccccceeccceseccceecccessccessceessceeseseeeess Electronic modules VP473 and IP472 for measuring voltage and continuous CUITENE 0 0 cece ccceeeeeeeeeeeeeeeeeeeeeeeees UPDATING FIRMWARE siirsin ine E E EE E METHOD OF USING THE INSTRUMENT AND WARNINGS 00 cccsssssscccsssssssssccccsssssssssccccssssssssscssscsssssseees INSTRUMENT SIGNALSAND MALFUNCTIONS wcsscscvessscstsccdcuscecadsctecsoadsovaccbcedsosdscoasessdecseonsedasdeceduedecnsacseveceventes LOW BATTERY WARNING AND BATTERY REPLACEMENT cscssssccssscssccccssscscccccsscscccsssssssccsscssssccees STORAGE OFTHEINSTRUMEN T icsssnccciucscccocsscsossevacsecsessavasscsosoacscesovapcantcosdacuaccapseveunecscuacwapscnddensasscoveseunacesvassuecess SERIA CINTERFACERS2327C arane E EEA NEEE E AN THE FUNCTIONS OF STORING AND TRANSFERRING DATA TO A PERSONAL COMPUTER 119 GSR CCOLG HMAC a AEEA IE PEATE A S E AAEE ETE AEE hn DAD ea BLA A RSE SRLS cts
83. imum key lt F2 gt and mean key lt F3 gt value of the three inputs Key lt 4 SERIALOUT gt in the menu it writes the number 4 in normal operation it activates the menu for the Serial output function Key lt 1 MATH gt in the menu it writes the number 1 in normal operation it activates the func tion that manages mathematical operations Key lt gt decimal point in the menu it writes the decimal point When pressed after the lt MENU gt key it switches over the instrument s Auto Power Off function Key lt 0 gt in the menu it writes the number zero In measurement mode it adjusts the offset of probes provided with this function Key lt LEFT UP gt in the menu it shifts the cursor up or to the left in measurement it increases the display contrast RS232C 9 pole connector External auxiliary power supply connector Key lt RIGHT DOWN2 gt in the menu it shifts the cursor down or to the right in measurement it decreases the display contrast Key lt ENTER gt in the menu it accepts the active function In measurement mode it provides or cuts off power supply to the hot wire probe Key lt gt in the menu it inserts the sign in front of a number Using the SICRAM module PP471 for pressure probes TP704 and TP705 it activates and deactivates the relative function Key lt 3 TIME gt in the menu it writes the number 3 in normal operation it activates the menu for the Time function Key lt 2 LOG gt in the menu i
84. interval equal to one second and one with command The first function is activated with the command rcdGO key lt F1 gt and terminated with the command rcdSTOP key lt F2 gt each second the values of the two inputs are measured and the maximum mean and minimum values updated The Command Record is activated with the F2 function key Unlike the rcdGO function where the interval sampling is one second with this function a new sample is logged each time the F2 key is pressed For each new logged sample the heading M n 00 which is in the middle of the controls bar increase of a unit Dar Z1 gt L mE as qe l 17 d A w The logged data increase the ones which are already logged therefore it is necessary to cancel the previous values with the redCLR key lt F3 gt key before starting with a new measurement cycle Using the command DATACALL key lt 5 DATA CALL gt the minimum min function key lt F1 gt maximum max function key lt F2 gt and mean avg function key lt F3 gt values for all the data present in the memory are called directly to the display this may be done after having concluded 86 the measuring session or in real time by pressing first the key F1 lt rcdGO gt to start the recording and then viewing the max min and avg data with the key lt 5 DATA CALL gt The example below shows the steps necessary to oe a start the RCD function erase the memory of
85. its fi C Flow control aE N f E Advanced Restore default cet soo _ zi Disconnected Auto detect SCROLL CAPS NUM Capture Pri 4 Attention for the communication between DO9847 and computer to work the item TRANSMISSION VELOCITY on Terminal and Baud rate of the instrument must be set at the same value moreover to transfer data at maximum velocity it is recommended to use the highest possible value of baud rate 115200 baud Only if the connecting cable between the instru ment and the PC is longer than a few meters and some problems during the downloading occur then the decrease of the baud rate value is suggested To set the Baud rate on the instrument see 4 0 Baud Rate on p 22 OF Still in the Properties window select SETTINGS to display the Settings card on the Settings card for the Emulation property select TTY set the property Buffer for back scroll at 500 OK to confirm the Properties set one click DO9847 HyperTerminal E Joj xj File Edt View Cal Transfer Help D g 5 lx Connect To settings Function arow and ctrl keys act as f Terminal keys Windows keys Backspace key sends f CtrhH Del Ctri H Space Ctrl H E mulation ro Terminal Setup Colors Telnet terminal ID TELETYPE 33 Backecroll buffer lines 500 T Flay sound when connecting or disconnecting Exit program upon disconnecting ASCII Setup
86. kwise direction You will have to reset the time the date the configurable options with password the password is returned to the default value 12345678 the baud rate the print interval the logging parameters to simplify the operation when the new batteries are fitted the instrument switches on automatically and asks for all these parameters in sequence 82 FAULTY OPERATION WHEN SWITCHING ON AFTER CHANGING THE BATTERIES After the batteries have been changed it is possible that the instrument may not start again cor rectly In this case it is advisable to repeat the operation Wait a few minutes after disconnecting the batteries to allow the circuit condensers to be completely discharged then insert the batteries WARNING ON USE OF THE BATTERIES If the instrument is not to be used for a long time the batteries must be removed If the batteries are flat they must be replaced immediately Take steps to avoid leakage of liquid from the batteries Use good quality leak proof batteries alkaline if possible STORAGE OF THE INSTRUMENT Instrument storage conditions e Temperature 25 65 C e Humidity less than 90 RH avoid the formation of condensation e Do not store the instrument in places where 1 there is a high degree of humidity the instrument 1s exposed to direct sunlight the instrument is exposed to a source of high temperature there are strong vibrations there is steam salt and or corrosive gas a
87. les Al C3 and the internal temperature Up to 16 different data files are contemplated corresponding to 16 different logging sessions The size of the instrument s memory guarantees a maximum of 2000 total pages for the 16 files without any restraint for the size of each file When the limit of 2000 pages or of 16 logged files is reached and you start a new logging session the instrument generates a warning WARNING MEMORY FULL In this case before proceeding you must delete at least one of the log files ee ee Logging menu File manager O Print selected log 1 View selected lo Serial 5 Calibrate 2 2 Start stop time aifrase selected ish 6 Reset DUtility 3 Cancel auto start 4 J Erase ALL logs 4 Options 9 More 4 Log file manager lt EXC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel Info 1 Config 0 Log interval e Logging 3 T1ime date 1 Self shut off mode The function 2 4 Log file manager is subdivided into 4 sub functions with which it is possi ble to see print or delete the log files 2 4 0 Print Selected Log E PRINT A FILE File manager ER O Print selected log 1 View selected log e Erase selected log 3 Erase ALL logs D 2001 03 12 10 03 00 lt ESC gt exit cancel pages Brec 0003 This function allows you to select and print a file of logged data To select a file use the arrows to shift to the numbers from 00 to 15 A file is associated with each number when
88. lower than 0 5 The function that provides the velocity rate report 1 on page 61 is affected by temperature and by atmospheric pressure as well Temperature is measured by a thermocouple connected to the module when available As alternative another source can be selected choosing 8 1 Comp Temp select in the menu see page 26 The same procedure applies to atmospheric pressure a module that measures atmospheric pres sure PP472 connected to one of the inputs can be selected as parameter for velocity calcula tion Otherwise you can digit directly the pressure value in mbar see 8 3 Comp Atm Pres sure description in the menu on page 27 Dimensions of Pitot Tubes Length t Ordering Code T4 800TC T4 1000 T4 1000TC TC Pitot tubes with K thermocouple sensor 63 Technical Specifications AP473 S1 AP473 S2 AP473 S3 AP473 S4 Type of Measurements Air velocity calculated pressure differential pressure air temperature Measurement Ranges Differential Pres sure Velocity 2 40m s 2 55m s 2 90m s 2 130m s Temperature 200 600 C 200 600 C 200 600 C 200 600 C Resolution Velocity 0 1 m s km h 1 ft min 1 mph 1 knots Temperature 0 1 C 10 mbar 20mbar 5Ombar 100mbar Accuracy Velocity 0 4 f s of pressure 0 25 f s of pressure Temperature 0 1 C 0 1 C es ONSEN A 200 600 C if thermocouple type K is connected to
89. lt ENTER gt to access the menu or lt ESC CLR gt to return to measuring mode without terminating the current operations or lt gt decimal point to toggle the automatic shut off function AutoPowerOff of the instru ment The function is not active so the instrument does not switch off automatically if the flashing letter B is present at the top of the display From the MENU screen pressing the number to the left of each item it is possible to access the fol lowing sub functions for details see page 15 and following MAIN MENU 1 Config 3 Time date 5 Calibrate NUtility 9 More lt EXC gt exit cancel 0 Info collects information about the firmware version the serial number and the last calibra tion date of the instrument and of the connected probes 1 Config for managing the reserved functions with password 2 Logging for setting the logging parameters 3 Time date for setting or modifying the current date and time 4 Serial for setting the baud rate of the RS232C serial port and the printing interval in sec onds 5 Calibrate for calibrating the instrument and the probes The calibration of the combined probe instrument may be protected with a user password 6 Reset to return the instrument parameters to default conditions date time configurable op tions protected by password baud rate printing interval logging functions 7 Utility makes a list of calculating instruments and fu
90. lues of each channel e Automatic shut off which may be excluded e Selectable units of measurement e Updating of firmware may be carried out through the via RS232C serial port This manual relates to DO9847 version 3 0 Prior versions of DO9847 are not provided with some of the functions described in this manual KEYBOARD DESCRIPTION ON OFF Key To switch the instrument on and off hold down the ON OFF key for at least one second When switching on the instrument checks what probes are connected to its inputs 1f any variations have occurred with respect to the previous measuring session the opening screen appears with the soft ware version and after a few moments the instrument goes into standard measuring condition dis playing the channels set just as the switching off Nelia E DeltaOhm srl GRAPHIC DATALOGGER Version 3 0 If there has been a variation because for example a probe has been disconnected the following message appears WARNING CHANGE OF PROBES DETECTED Press NOW any key to choose settings or wait self config When any key is pressed within 3 seconds the menu is opened in which the instrument configuration parameters may be modified If you do not think it 1s neces sary to alter them just wait 3 seconds afterwards the instrument return automatically to standard measuring conditions with the indications of the first free channels available among Al B1 Cl A2 B2 C2 A3 B3 C3 and Ti WARNING
91. ly The instrument case is made of ABS plastic and the protection strip against impact is made of rub ber do not use any solvent to clean them 383 SERIAL INTERFACE RS232C The instrument is equipped with a standard serial interface RS 232C galvanically insulated the in strument is supplied with a null modem cable having sub D 9 pole female connectors code 9CPRS232 The following signals are available on the SUB D 9 pin male connector of the instrument Pin Signal Description gt gt S 2 RD Datum received by the instrument 3 TD _ Datum transmitted by the instrument 4 Data terminal ready Reference logic mass Also available on request is a second serial cable code CPRS232 C with a sub D 9 pole female connector and a sub D 25 pole female connector with commutator for inverting lines 2 and 3 this cable must be used in PCs without a 25 pole serial output or for connection to a serial printer Note the deflector on the 25 pole connector of CP RS232 C optional cable must be turned to COMPUTER or PRINTER position depending on the chosen connector this may not be true on some computers or printers The standard serial transmission parameters of the instrument are e Baudrate 19200 baud Parity None N bit 8 Stop bit 1 Protocol Xon Xoff The data transmission velocity may be changed by adjusting the Baudrate parameter on the menu item Serial see p 22 The possible baud rates are 115200
92. ly to the PC in real time the instrument of fers three functions which may be activated with the key lt 4 SERIALOUT gt the Screen function the RCD function and the ALL function THE SCREEN FUNCTION The lt 4 SerialOut gt gt gt lt F1 Screen gt function sends the values measured by the instrument at its in puts in real time directly to the PC The printed data are those that appear on the instrument display at the time of pressing the key Fl lt Screen gt As shown in the example it is possible to choose the variables to be printed from the following Al A2 A3 B1 B2 B3 C1 C2 or C3 the differences A1 B1 Al Cl or BI Cl when they refer to inputs of the same type the internal temperature of the instrument The date and time of acquisition are shown next to each line of the table In this case Al B1 and C1 have been chosen The following details are also provided e the serial number and the type of calibration of probes e reference temperature and pressure see paragraph 8 Options at page 26 The value obtained from the difference between two measurement channels is not shown when probes of different types are connected to the two channels for example Pt100 and Thermocouple Multifunction meter printout immediate mode Instrument serial n 00001234 Probe A RTD ser number 70000005 Calibration mode Factory Probe B RTD ser number 70000006 Calibration mode Factory Probe C RTD ser number 70000007 Calibra
93. ment Each probe has a maximum of three variables for example in the SICRAM module TP471D1 with two thermocouple inputs connected to connector A of the instru ment Al represents the first thermocouple A2 the second and A3 the sensor which measures the temperature of the cold junction If you press F1 Xsel repeatedly the first line of the display will show either all available variables according to the modules connected to the instrument inputs or the instrument internal temperature T1 or no measurement In this case the gt gt symbol will ap pear on the left side of the instrument In addition to the variables associated with each probe A1 A2 A3 Bl C3 you can also select the difference between two of the three inputs identified with the number 1 A1 B1 Al Cl and B1 C1 The difference between two inputs is available only if probes of the same type are connected to these inputs for example two thermocouples two rela tive humidity probes two Pt100 The difference between different types of probes is not available even if they refer to the same physical quantity for example the difference between a Pt100 and a thermocouple even they both measure temperature as well as the difference between two pressure probes having a different full scale Associated with the functions F2 and F3 are the Ysel and Zsel commands are used to set respec tively the variables on the second and the third line of the display INPUTS
94. mperature be as stable as possible throughout calibration Calibration sequence l 2 gt 4 a Unscrew the sensor protection at the end of the probe In its place right down to the base screw on the perforated cap with its threaded ring nut these come in different sizes depending on the type of probe Open the cap of the 75 RH saturated solution Check that there are no drops of solution inside the measuring chamber if there are any dry them with absorbent paper Insert the probe in the container ensuring that the cap with the probe goes down to the base The measuring chamber must be perfectly closed otherwise it will not become satu rated it is fundamental that there be no possibility of air from the outside getting into the chamber Wait at least 30 minutes Press the key lt 0 gt to select the calibration version 0 Full calibration a message will ap pear reminding you that if you continue all the data referring to previous calibrations will be erased Press lt ENTER gt to continue or lt ESC CLR gt to cancel the operation without making any changes 8 The following screen will appear 10 11 set RH 75 0 lt REL gt to apply T 24 559C RH O0 0ZRH lt ENTER gt accept lt ESC gt exit cancel using the arrow keys Up and Down it is possible to correct the value of the saturated solu tion with respect to the 75 0 proposed by the instrument The temperature is the one meas u
95. n RCD and ALL from p 90 5 CALIBRATE Manages the calibration functions of the probes connected to the instrument The probe instrument calibration function may be protected by a password see the function on page 15 I 1 Reserved function lock If user level is enabled when you enter the function with the lt Enter gt key a list of the probes connected to the instrument inputs appears each probe 1s identified by its serial number and by the type of measurement Selecting one by pressing the number next to each probe takes you to the calibration menu E MAIN MENU as D Info DConfig ae lll calibration of the c Logging 3 Time date 1 A 20000001 RTD probe connected Serial 5 Calibrate gt 2 B 20000002 RTD to input A 5 More l lt ESC gt exit cancel lt ESC gt exit cancel Each type of probe has its own calibration procedure see the description of the various probes and the respective calibration operations from p 28 Instead if user level is disabled it will not be possible to calibrate any probe in this case the fol lowing message will appear Sorry This operation is RESERVED Press lt ESC CLR gt to quit To proceed with calibration you must enable user level by typing in the user password and then repeat the operation mm MAIN MENU _ Info 7 Config Sorry Logging 3 Time date this operation is 4 Serial 5 Calibrate RESERVED 6 Reset 7 Utility 4 4 Options 9 More lt ESC gt e
96. n external power source 1s connected letters P and B or letter P only flash as soon as the Screen function or the ALL function is started when the RCD function is started letters B P and R flash and while in case an external power supplier is connected letters P and R will flash 1f an external power source is connected To conclude the operation in progress press the stop key F1 see p 86 and following Soo a E J e a E ecb L ec 5 L OS SANN J Key DATA CALL DATA CALL In the menu it writes the number 5 in measurement it allows you to call up the maximum max minimum min and mean avg values of the data acquired by the three channels and stored with the RCD function key lt 6 RCD gt The function is active only if some data have been logged previously or if the Record function is active at that time In this case the display appears as in the fig ure alongside otherwise there is the message no records available To return to normal measurement press the function key next to the indication norm RCD In the menu it writes the number 6 in measurement it enables the submenu for the Record function which stores the maximum mean and minimum values of the three channels The function lt F gt rcdGO starts logging at a rate of one sample per second the sym bols B and R or only R if an external power source is connected flash on the display The function lt F2 gt M n 00 sto
97. nctions related to some specific modules S Options sets reference calculating parameters related to some modules 9 More jumps to the next page of the menu ESC CLR Key In the menu it cancels or annuls the active function In measurement it cancels the active function that appears on the controls bar bottom line of the display and returns the instrument display to the basic screen with the functions Xsel Ysel and Zsel on the controls bar In the menu it writes the number zero In measurement mode it sets to zero the difference between the inputs of differential pressure probes and adjusts the zero point in hot wire and Pitot tube probes 1 Key 1 MATH MATH In the menu it writes the number 1 in measurement 1t manages mathematical operations and data handling LOG In the menu it writes the number 2 in measurement it starts the Logging function using the pa rameters set in the menu under the heading Logging Starting from the measuring screen when the key lt 2 LOG gt is pressed the two logging functions appears on the controls bar when the lt F1 gt SCREEN key is pressed data logging will start just as the data appear on the display at that moment when the ALL lt F3 gt key is pressed all the variable of the three input channels are logged Al A2 A3 B1 C2 C3 and the internal temperature Ti As long as the logging function is active the indications B and L flash on the display or only L if the instr
98. nd set up the respective software 03 a INSTRUCTIONS FOR CONNECTING THE DO9847 TO A PC WITH WINDOWS OPERATING SYSTEM This chapter details all necessary operations to download data from a DO9847 to a PC with Win dows operating system installed using the Hyper Terminal program for example how to connect the instrument to a PC how to set transmission parameters both on PC and instrument etc Those who are using DeltaLog3 software shall refer to the user s manual supplied with the software and not to the following instructions HARDWARE CONNECTION 1 The measuring instrument must be switched off 2 Connect the port RS232C of the measuring instrument to the free serial port on the PC COM1 COM2 using the Delta Ohm 9CPRS232 cable 3 Switch the instrument on and set the baudrate at 115200 key lt Menu gt gt gt function Serial gt gt sub function Baudrate gt gt 7 to select 115200 gt gt key lt ESC CLR gt 3 times SOFTWARE CONNECTION WITH WINDOWS 95 98 NT ME 2000 AND XP A After starting WINDOWS select START PROGRAMS ACCESSORIES HyperTerminal Run HYPERTRM EXE double click ee Hyper Terminal File Edt View Help 9 Hyper Terminal Hypertrm Capture tut E objectis ve 94 B Name of the communication e Inthe window Description of connection give a name to the communication that you want to activate and choose an icon in subsequent communications it will be possibl
99. nd stopping logging may be set in advance by the user In the latter case the logging start and stop commands are given by the instru ment The diagram below shows the steps for starting and stopping immediate logging m d Ua a d _ a m a Ij a Ij 0 bl ha ri xe u DP amp A O When pressing the lt 2 LOG gt key the above screen which is in the middle appears The logging of the data which correspond to the displayed variables is activated with the F1 SCREEN function key in this case the variables Al B1 and C1 are stored The logging of all the inputs Al A2 C3 and also the internal temperature is activated with the F3 ALL function key Press the lt F2 gt Stop Logging function key to manually stop the logging If after having pressed the key lt 2 LOG gt you do not want to proceed with logging it is sufficient to press the clear key lt ESC CLR gt The display of data with HyperTerminal with the LOG gt gt ALL function is the same as the table be low Date Time Al A2 A3 Bl B2 B3 Cl C2 C3 Ti Note as the variables are more than the ones which can be simultaneously displayed the LOG gt gt ALL logging function of the VIEW SELECTED LOG File Manager function cannot be activated when a logged file is selected with the LOG gt gt ALL function the message NON_VIEW Print only appears In this cas
100. neous value The fol lowing units are available e m s km h ft min mph knots for air velocity e C F and K for air temperature e 1 s m s m min ft s ft min for flow 47 Note Concerning DO9847 Version AP471 AP472 and AP473 probes can work connected to a DO9847 only if this 1s provided with the 2 0 firmware version or with a later one Previous versions do not support these probes To check which is your firmware version open the menu and select INFO VER 2 REV 0 indication corresponds to version 2 0 Multifunction meter Ver 2 Rev D B issued cUUce 01 01 Ser number 0l234567 Calibrated 2002 01 01 Enter more info lt ESC gt exit cancel Firmware versions prior to 2 0 can be factory upgraded Flow Measurement The measurement of air flow requires to know the area of the pipe or of the vent perpendicular to the flow to set this parameter DO9847 units are provided with a specific function Open DO9847 menu 2 0 version or superior select 7 Utility and then 1 Area calculations See page 24 for a detailed description of this function Note when measuring flow use only one anemometric probe at any one time because the function allows to configure one only area On the contrary several anemometric probes as well as other kinds of probes can be used contemporaneously when measuring air ve locity Operating If you move the probe inside a stream velocity and flow can
101. ng function on p 88 and the RCD function on p 91 The Logging function key lt 2 LOG gt and one of the two sub functions for immediate printing Screen key lt 4 SERIALOUT gt gt key lt F1 gt or Rawdata key lt 4 SERIALOUT gt gt key lt F1 gt are active at the same time To end the Logging function press the Soa 2 key lt 2 LOG gt To end the sub functions Screen or Rawdata press AS Ae Ts the key lt 4 SERIALOUT gt and then the function key lt F1l gt STOP printing See the Logging function on p 88 the Screen function on p 90 and the Rawdata function on p 92 gio Automatic starting of the Logging function has been set See the a function Start Stop time on p 18 With the SICRAM pressure module PP471 indicates a relative measure See the chapter PP471 ELECTRONIC MODULE FOR PRESSURE MEASUREMENT ys ay 3 ey pf N te 2 hal 7 Sais a a 7 nS WARNING CHANGE This message appears when switching on the machine or leaving OF PROBES the menu when a variation is detected at the inputs because a probe DETECTED Press has been connected or removed See on p 28 the introduction to NOW any key to choose the chapter on probes settings or wait to self config Communication failure This message appears when once the in strument is already on a module is disconnected the instrument consequently indicates that there is no communication with the in volved channel COM F
102. ng Temperature 0 50 C Typical Response Curve 1 0 9 0 8 0 7 ab op Cc O gt 06 0 5 Q Ww L 04 w ab or 0 3 0 2 0 1 0 280 300 320 340 360 380 400 420 J5 ie LP 471UVB IRRADIANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range W m 0 1 10 1 999 19 99 199 9 1999 Resolution W m Spectral Response Range 280nm 315nm Peak 305nm Calibration Uncertainty lt 5 Cosine Response lt 6 Linearity lt 1 Unit Display Error 1 digit Fatigue lt 0 5 Operating Temperature 0 50 C Typical Response Curve 0 9 0 8 0 7 0 6 0 5 0 4 Relative spectral response 0 3 0 2 0 1 s 76 LP 471UVC IRRADIANCE Probe Equipped with SICRAM Module Specifications refer to the instrument combined to the module Measuring Range W m 0 1 10 1 999 19 99 199 9 1999 Resolution W m Spectral Response Range 220nm 280nm Peak 260nm Calibration Uncertainty lt 5 Cosine Response lt 6 Linearity lt 1 Unit Display Error 1 digit Fatigue lt 0 5 Operating Temperature 0 50 C Typical Response Curve 1 0 9 0 8 0 7 0 6 0 5 0 4 Relative spectral response 0 3 0 2 0 1 s ITa ELECTRONIC MODULE
103. nt memory which performs various function e it enables the datalogger to recognise the type of probe connected Pt25 Ptl00 Pt500 thermo couple humidity probe pressure probe anemometric probe e it memorises the probe calibration data in this way it can be used on any one of the instrument s three inputs or on a second instrument without having to be recalibrated it recognises the instrument with which it was calibrated user calibration it maintains the factory calibration data and those of the last calibration done by the user which may be protected by a password If enabled the user can choose which calibration to use for each of the probes connected to the instrument e it memorises a serial number which allows the unmistakable identification of the probe This 1s useful if several probes of the same type are being used at the same time The recognition of the probes takes place when the instrument is switched after reset function 6 Reset of the Menu and during calibration when proceeding with calibration of the probes connected to the inputs see the general section on calibration on p 23 and the individual models in the next chapter The instrument memorises which probes are connected to its inputs if on switching on it finds that there has been a variation for example because a probe has been disconnected it notifies the opera tor with the message WARNING CHANGE OF PROBES DETECTED Press NOW any key to choose s
104. ny additional calibration by the user In addition to instant measurement our multifunction instrument can also calculate the integral over the time of acquired measurements and can contemporaneously show on the display three lines in stant measurements integrated measurements and time in seconds A number of limits settable from menu can be combined either with an integrated measurement or with the integration time and when exceeded the instrument stops the integral calculation Measurements provided by the probes are e Instant measurement variable identified by number 1 that is Al B1 or C1 e Integration time in seconds variable identified by number 2 that is A2 B2 or C2 e Q Integral variable identified by number 3 that is A3 B3 or C3 If two probes of the same type are connected to the instrument among the variables selectable by means of Xsel Ysel and Zsel keys the difference between instant values Al B1 e C1 will also be available Note for LP471 LUM 2 luminance probe the calculation of integral is not provided The following table lists the available units of measurements according to the type of probe con nected to the instrument Type of Measurement Q Integral Unit of Measurement lux lux s W m W s m 2 68 Q TIME INTEGRATION Besides instant measurements our multifunction instrument can calculate the following summation as well t 1 Q t u t At At 1sec where u t is the
105. obe B source f 3 Probe C source connected either to input A B or C respectively To enter the 4 Manual entry temperature value manually when no probe is available select Di lt 4 SERIAL_OUT gt and press lt ENTER gt as indicated in the win dow below 0 Ti source Set reference temp 1 Probe A source using Up Down keys e Probe B source lt Unit gt selects C F 4J Probe C source 4 Manual entry G V gt EYZER Now D lt ENTER gt to confirm Use the Up Ay and Down Vv arrows to enter the temperature value directly and press lt ENTER gt to confirm To switch from Celsius to Fahrenheit and vice versa press lt 9 UNIT gt 8 2 Flow Averaging Time When measuring flows the value detected by the instrument is quite unsteady because of air turbulences For this reason the instrument will employ the average value coming from the last n measurements moving or current average The n range goes from 1 to 100 In the following chart curve 1 represents the trend of velocity measurements acquired by the instrument over time Curve 2 represents the moving average displayed by the instrument af ter setting the n parameter Flow averaging time at 3 As shown by the chart the time trend of curve 2 is less affected by amplitude changes than curve 1 Velocity m s Seconds Effects of moving average on velocity and flow measurement with n 3 26 Select 8 Options from the menu then 2
106. of the RH probe the probe must be protected against any liquid in the oven The cali bration point may have any value within the working range of the RH probe since with this op eration an alignment is made with the theoretical curve Wait until the measurement has stabi lised if necessary use the arrows to correct the value indicated by the instrument causing it to coincide with the value found by the reference thermometer Press the lt ENTER gt key to con firm Calibration of the Relative Humidity Sensor RH cal mode O Full calibration 1 75 tune up c 33 tune up 3 1l1 tune up lt ESC gt exit cancel The menu for calibrating the RH sensor proposes four versions the first refers to complete calibra tion on 2 or 3 points the other three versions are used for aligning a single point at 75 33 and 11 RH Tune up adjustment fine regulation e q 0 Full Calibration This calibration procedure erases the data of the previous calibrations For a correct calibration of the probe the first point must be at 75 RH and the second point at 33 RH On conclud ing the second point at 33 RH the instrument also proposes a third calibration point at 11 RH if you do not want to use it it is sufficient to press the lt ESC CLR gt key to quit without making this last correction To complete correct calibration it is very important that the probe and the saturated solutions be at the same temperature and that the te
107. only this part of the co efficient can be varied In the same way 6 1 499785 is shown as 1499785 without decimal point and B 0 10863 as 10863 m robe connected MIN gt T Select one channel ae User cal_bank ne from list 1 set default Pt100 3 Tine date 1 A 20000001 RTD 2 calibrate probe 5 Calibrate 2 B 20000002 RTD 3 view edit parmtrs DUtility 3 C 20000003 RTD 4 copy factory data More lt ESC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel date of the last calibration J enter Ro in milli ohm e g 1O00ohm 100000 Set the desired Ptl00 type probe last cal 2001 01 01 3 alfa gt 1 value then gt lt 3 delta confirm with the R u beta 0100000 lt ENTER gt key lt ESC gt exit cancel Select Ro 4 Copy Factory Data this function transfers the memorised factory calibration data into the probe It is useful when you notice that incorrect calibration data have entered for example due to in correctly performed calibration and you are temporarily unable to perform a new calibration 30 Electronic module TP471 SICRAM for PRT sensors without probe N KY Ri NY AY TG AT AT A A R i i W TU i Od p f t 4 Le ji 4a ji i i 1h i h UW VOL WU The TP471 electronic module is intended for operation with PRT sensors with a 4 wire connection Temperature probes with a Platinum resistance with R O C Pt 25 100 Q or 500 Q may be used Bel
108. or to update the functionality of the instrument The update files are avail able from authorised dealers To update firmware you need DeltaLog3 program to be installed on your PC as well as a DO9847 unit version 2 0 or higher See DeltaLog3 Handbook online manual for details concerning this procedure DO9847 units having a version prior to 2 0 can be upgraded directly by DeltaOhm a a ee 10 11 12 13 14 METHOD OF USING THE INSTRUMENT AND WARNINGS Do not expose the probes to gases or liquids that could corrode the material of the sensor or of the probe clean the probe carefully after measurement Do not bend the connectors applying upward or downward force Do not bend or force the contacts when inserting the probe connector in the instrument Do not bend deform or drop the probes as this could cause irreparable damage Always use the most suitable probe for the measurement to be taken Temperature probes are not generally used in the presence of corrosive gases or liquids the con tainer in which the sensor is housed is made of stainless steel AISI 316 while the container for the contact probe is of AISI 316 plus silver Do not let the surfaces of the probe come in contact with sticky surfaces or with substances that can corrode or damage the probe If the sensor breaks or becomes faulty it must be replaced In this case the probe must be recalibrated Above 400 C and below 40 C avoid violent blows or t
109. ory will be erased definitively Press lt ENTER gt to proceed with erasure or lt ESC CLR gt to cancel the opera ton File manager O Print selected log THIS WILL ERASE 1 View selected log ALL LOGS C Erase selected log gt 3 gt FNTER to continue 3 Erase ALL logs lt ESC gt exit cancel lt ESC gt exit cancel Attention the erased files cannot be recovered Oi 3 TIME DATE Allows you to set the current time and date The current time is proposed increased by one min ute because when you confirm with the lt ENTER gt key the seconds start from 00 This allows you to synchronise the time precisely to the second for example if the time is now 10 34 23 and you go into the TIME DATE function the instrument will propose 10 35 when you press lt ENTER gt the time 10 35 00 will be set To quit the function without making any changes press lt ESC CLR gt a J MAIN MENU Enter date time lt arrows move gt accept lt ENTER gt Info 7 Config Logging 3 Time date 4 Serial 5 Calibrate gt 3 gt and set 00 seconds 5 Reset Utility 7 year mm dd hh mm H Ootions 9 More CO001L 01L 01 12 00 lt EXSC gt exit cancel lt ESC gt exit cancel 4 SERIAL DIGITAL COMMUNICATION Menu for setting the RS232C serial connection j MAIN MENU 1 Config MENU 3 Time date U Baud rate 5 Calibrate 1 Print interval Utility More lt EXC gt
110. ough it the Pitot tube is particularly suitable for measurements in hostile environments Measuring Principle Total pressure hole Static pressure holes gt static pressure velocity pressure gt total pressure The pressure inside the duct is the result of three different pressures 1 atmospheric pressure barometric B 2 static pressure Ps 3 dynamic pressure Pv due to the non null velocity of the air inside the duct The following formula provides the air velocity as you can see it depends on the three pressures and on air temperature v m s B mbar 1 v 1291 c s ee ge B B 289 100 000 Ps Pv Ps Pa T K The Pitot tube provides the difference between the pressure available on the front mouth and the one measured through the lateral holes that is Pv dynamic pressure Ps Pv Ps Pv 100 000 If Ps is 1 than 2500 Pa 25mbar the t SA A s is lower than a 25mbar the term 100 000 Ps can be disregarded as the error is of approx 1 61 AP473 S1 AP473 S4 modules AP473 S1 AP473 S4 modules work as interfaces between the Pitot tube and the DO9847 unit Each module can be connected to any Pitot tube with the related thermocouple type K where provided With temperature and atmospheric pressure standard conditions S1 has a 40m s full scale S2 a 55m s full scale S3 a 90m s full scale and S4 a 130m s full scale The modules of AP473 series are equipp
111. ow are given the instructions for connecting the probe to the module The module is supplied complete with a fairlead and grommet for wires with a maximum diameter of 5m To open the module in order to connect a probe proceed as follows unscrew the fairlead and extract the grommet remove the identification label unscrew the ring nut on the opposite side of the module as shown in the figure i LAWN hh Tht 1 10 lAN N A i e AANA Open the two shells of the module inside is the printed circuit to which the PRT probe must be connected The connections are shown in the enlargement in the figure DR DR Pt25 SN mt LZ Pt100 SN Pt500 SN r DR DR Before making the weld pass the probe cable through the fairlead and the grommet Take care that the welds are clean and made in a workmanlike manner Once the welding operation has been com pleted close the two shells insert the grommet in the module screw on the fairlead and the ring nut Take care that the cable does not get twisted round the fairlead At this point the probe is ready AAR wW A tt i LAV A y Before you can use the probe it must be calibrated see from p 29 onward the various calibration procedures If you know the Callendar Van Dusen parameters of the probe these can be inserted in the mem ory thus obtaining a calibrated probe See the paragraph View edit parameters
112. ple if there are doubts as to the correctness of the user calibration 1 user the calibration values used are those referring to a user calibration even if they were obtained with a different instrument If these are not present for example because the probe is new the instrument will use the factory values To modify the type of calibration of a probe select it choose the new type of calibration and then confirm with the lt ENTER gt key In the example below the probe connected to input A uses the factory calibration and is con figured so as use the user calibration O Select prose Probe A RTD to configure Calibration option 1 A 20000001 RTD o factory l user now set at JQ c B 20000002 RTD 3 C 20000003 RTD lt ESC gt exit cancel Current type of calibration factory of the probe connected to input A To quit the function without making any changes press the clear key lt ESC CLR gt instead of the lt ENTER gt key 2 LOGGING The Logging heading comprises the settings of the function for storing the data at instrument in put which may be activated by means of the LOG function key lt 2 LOG gt To access each item in the menu press the key corresponding to the number shown in front of each function MAIN MENU Logging menu i DInfo Config aa key 0 log interval Logging 3 Time date i Self shutoff mede Key self shut off mode Serial 5 Calibrate gt 2
113. possible to calibrate the complete probe of the SICRAM module the calibration data remain in the memory The type K probes available on the price list may be connected to the modules SICRAM TP471D TP471D0 and TP471D1 Probes with Pt100 sensor complete with SICRAM module for the multifunction in strument DO9847 TP4721 TP473P TP474C Immersion probe Pt100 sensor with wire a 385 Probe stem 3 mm length 300 mm 4 wire connecting cable Length 2 metres complete with SICRAM module Field of use 196 C 500 C Accuracy 0 25 C in the range 196 C 350 C 0 40 C in the range 350 C 500 C Penetration probe Pt100 sensor with wire a 385 Probe stem 4 mm Length 150 mm 4 wire connecting cable length 2 metres complete with SICRAM module Field of use 100 C 400 C Accuracy 0 25 C in the range 100 C 350 C 0 40 C in the range 350 C 400 C Contact probe sensor Pt100 with thin film a 385 Stem 4 mm length 230 mm silver contact surface 5 mm 4 wire cable length 2 metres complete with SICRAM module Field of use 50 C 400 C Accuracy 0 25 C in the range 50 C 350 C 0 40 C in the range 350 C 400 C Combined relative humidity and temperature probes complete with SICRAM mod ule for the multifunction instrument DO9847 HP472AC HPS72AC Combined RH and temperature probe dimensions 26 for 170 mm Connecting cable length 2 metres Field of use 20 C 8
114. press lt F1 gt STOP Printing just like Screen and RCD functions Multifunction meter printout immediate mode Instrument serial n 99990005 Probe A RTD ser number 90000002 Calibration mode User Probe B Rh ser number 12365478 Calibration mode standard Probe C Double Tc comp ser number 99999990 Calibration mode Factory Printing absolute data When appropriate measurements are referred to temperature 23 02C and to atm Pressure 1013 0 mbar 2001 07 23 11 02 31 57 3 RH 25 2 C 24 70 C 24 68 C 24 65 C NOMEAS NOMEAS NOMEAS 26 8 C 2001 07 23 11 02 32 57 9 RH 25 6 C 24 45 C 24 09 C 24 65 C NOMEAS NOMEAS NOMEAS 209 Note the Logging operation may be started at the same time as the Record function key lt 6 RCD gt or as the SerialOut function key lt 4 SERIALOUT gt and each operation does not influence the other The letters flashing in the top right hand corner of the display allow you to recognise which func tions are simultaneously active at any given time The table INSTRUMENT SIGNALS AND MALFUNCTIONS on p 80 gives the essential information for recognising the individual func tions how to conclude them and the references to the pages where these functions are explained in detail Some of the commands described above contemplate the connection of the instrument to a personal computer for these commands see the next paragraph which explains step by step how to connect the instrument a
115. rature 25 80 AP472 S4L working tem 16 perature AP472 S4LT 0 8 20 30 120 Thermocouple 16 on request K 25 80 AP472 S4H 10 50 working tem 16 perature AP472 S4HT 10 50 30 120 Thermocouple 16 on request K Temperature limit refers to the probe where the vane and temperature sensor are located and not to the handle the cable and telescopic shaft which maximum working temperature is 80 C Bigger diameters are suitable for measurements in turbulent flows having a low medium air veloc ity i e in front of pipes Smaller diameters are suitable for applications where the body of the probe has to be much smaller than the cross section of the duct where measurements have to be car ried out 1 e air ducts Calibrations AP472 S1 S2 and S4 probes are factory calibrated and do not require any calibration by users Operation Slide the telescopic shaft as much as necessary and take care that the cable can pass through the tube without any problem Position the probe in the air flow to be measured and hold the vane axis parallel to the stream as indicated in the following figure 56 lt The probe has to stand orthogonal with respect to the flow and it shall not to be inclined LL Li LLL LLL OK NO The probe 1s correctly positioned in the air stream when the measured value is the highest one Carry out measurements pursuant to the indications provided in the fir
116. rature as a function of the sensor resistance and the meaning of the coefficients Ro a and B see p 116 _ 28 Calibration of Pt100 Probes The calibration procedure is accessible from the Menu key lt MENU gt gt Function 5 Calibrate on p 23 there 1s a definition of the options of the Calibration function applicable to all types of probes 1 Set default Pt100 this function transfers the nominal values of the Pt100 sensor into the memory of the selected probe to be used if the probe has not been calibrated and is not possible to per form calibration 2 Calibrate probe this function 1s used to calibrate the probe on one two or three points one point is necessarily 0 C the second one has to be selected from 95 C to 105 C and the third one from 150 and 400 C Calibration on two or three points is not necessary when some points are lacking the instrument will use for those points the value stored in the previous calibration or if no previous value is available it will use the factory calibration value see Probe Options on p 16 MAIN MENU 1 Config Select one channel User cal bank 3 Time date from list l set default Pt100 l A 20000001 RTD c calibrate probe 5 Calibrate 2 B 20000002 RTD 3 view edit parmtrs haan 3 C 20000003 RTD 4 copy factory data 5 ore lt ESC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel Calibration of the probe connected to input A is started Proce
117. re for the DO9847 multifunction in strument PP471 SICRAM electronic module for absolute relative and differential pressure measurement All the TP704 and TP705 series Delta Ohm pressure probes can be connected It measures the instantaneous and peak pressure value The module is complete with 2m cable and 8 pole DIN 45326 female connector Probes Equipped with SICRAM Modules for Measurements of Pressure to be Connected to DO9847 Multifunction Instrument PP472 Calibrated barometric probe equipped with SICRAM module for barometric pressure measurement in the range 600 1100mbar with resolution of 0 1mbar all over the measuring range Avoid environments with corrosive gas and air To be used in environments with dry gas and air only PP473 Probes equipped with SICRAM module for the measurement of differential pressure in the 10 2000mbar range Operating temperature 10 60 C d5mm mounting tube Avoid environments with corrosive gas and air To be used in environments with dry gas and air only PP473 Model Numbers Model N Full Scale Model N Full Scale Model N Full Scale PP473 SI PP473 S2 PP473 S3 PP473 S4 100mbar PP473 S5 200mbar PP473 S6 500mbar PP473 S7 PP473 S8 2bar 111 Probes Equipped with SICRAM Modules for Measurements of Air Velocity to be Connected to DO9847 Multifunction Instrument AP471 S1 AP471 S2 AP471 S3 AP471 S4 AP471 S5 AP471 S6 AP472 S1 AP472 S2 AP
118. red by the Pt100 or TC sensor the initial relative humidity value is 0 0 RH since the data of the previous calibrations have been erased To confirm the first calibration point you can use the lt REL gt key or the lt ENTER gt key with the first the correction is applied remaining in the same screen with the lt ENTER gt key you move directly on to the screen for the cali bration of 33 RH The lt REL gt key is useful when you want confirmation of the correction made before going any farther to move on to the second point at 33 RH press the lt ENTER gt key Take the probe out of the container with 75 RH close the container with its cap and open the container of the saturated solution with 33 RH Check that there are no drops of solution inside if there are any dry them with absorbent paper Insert the probe in the container ensuring that the probe and the cap goes perfectly down to the base Wait at least 30 minutes 38 12 13 14 15 16 17 18 19 20 If necessary correct the value of the saturated solution with the arrows The instrument will indicate the temperature measured by the sensor to complete correct calibration it is impor tant that this be kept within 1 C of the temperature used to calibrate the first point at 75 RH The RH measurement taken by the instrument is not complete until the second cali bration point has been done When lt REL gt is pressed the instrument will propose
119. reen the variables to be stored have to be selected press SCREEN to select the three variables which appear on the display select ALL to store all the variables Al C3 and the internal temperature The instrument proposes the setting just made press lt ENTER gt to confirm it or lt ESC gt to re fuse it The letter s flashing on the display reminds you that the logging operation has been programmed oe MAIN MENU MH Info Config Logging 3 Time date Serial 5 Calibrate 5 Reset DUtility 8 Options 5 More lt EXC gt exit cancel enter start time use arrows to correct lt ENTER gt accept default Sm gt RealTime PO01 01 01 12 05 Start time PLEASE SET LOG MODE 1 Log mode SCREEN Log mode ALL now set at ALL lt ESC gt exit cancel 2 3 Cancel auto start This function allows you to check the setting of the starting and stopping of logging and if necessary to cancel the operation After having viewed the settings to quit leaving the autostart operation active press lt ESC gt To cancel the operation press the key lt 1 MATH gt oe MAIN MENU O Info 1 Config Logging 3 Time date Serial 5 Calibrate 5 Reset NUtility Options 9 More lt EXSC gt exit cancel Self timer abort start scheduled at PO01 01 01 12 05 stop scheduled at f001 01 01 12 15 1 Delete schedule lt ESC gt exit cancel Cancelling automatic start and stop Start programmed for 2001 01 01a
120. res a sample each time the F2 key is pressed the symbols B and M or only M if an external power source is connected flash on the display The function lt F3 gt rcdCLR cancels the previously recorded data and the function lt F2 gt rcdSTOP stops recording started with rcdGO The stored data may be called up using the DataCall function key lt 5 DATA CALL gt see p 86 HOLD In the menu it writes the number 7 in measurement it freezes the measurement in progress the moment the key is pressed The message HOLD appears at the top of the display Press the key again to return to normal measurement REL In the menu it writes the number 8 in measurement it displays for the three channels the differ ence between the current value and the one measured at the time the key was pressed The mes sage REL appears at the top of the display press the key again to return to normal measurement UNIT In the menu it writes the number 9 In measurement it displays the submenu from which it is possible to choose the unit of measure ment of the quantities at input F1 unitX refers to the measure ment which appears on the first line of the display F2 unitY to the measurement which appears on the second line and F3 unitZ to the third When the function key is pressed repeatedly the possible units are presented for example if the measurement taken by a JunitX unitY temperature probe connected to the instrument appears on the
121. rious operating situations from the explanations about a function active at a given moment to error signals and indications supplied to the user Where contemplated it also gives references to the pages in the manual where the various functions are explained in detail The probe at the input next to which the message appears has been ERR disconnected or is badly inserted NOMEAS It appears when printing data files if no probe 1s available for that Input OVFL Measurement overflow indicates that the probe is measuring a value that exceeds the contemplated full scale value UDFL Measurement underflow indicates that the probe is measuring a value below the contemplated start of scale value Memory full indicates that the instrument cannot store any more MEMORY FULL data as its memory space is full See the function Log File Man ager on p 20 The automatic cut out after 8 minutes of inactivity had been dis abled The instrument will stay on and can be switched off only by the lt On Off gt key See the function AutoPowerOff on p 5 The Screen function is active or the ALL function for transfer ring data to a computer press the key lt 4 SERIALOUT gt and then F1 Stop printing to stop If an external power supply is con nected only the letter P will flash See the functions Screen and ALL from p 90 The Record function lt 6 RCD gt key is active press the lt 6 RCD gt key and
122. rmocouple Probes For calibration one point for offset correction 1s contemplated and up to three points for compensat ing amplification The two probes connected to the double module TP471D1 must be cali brated at the same time The temperature of the cold joint is measured by a KTY sensor situated inside the probe module The temperature supplied by the sensor is factory calibrated Selecting the Type of Thermocouple To start calibration open the instrument menu and select 5 Calibrate the probes connected to the instrument inputs will be viewed Once you have chosen the input to which the module to be calibrated is connected access the menu for selecting the type of thermocouple select one channel probe connected select thermocouple from list to input B A e455 18 gt 2 gt 5 X reset type 5 comp X works as K comp now at K C gt exit cancel type of thermocouple currently in the memory Before changing the type of thermocouple you must first delete the one present in the memory and then insert the new type In the example shown above the probe is type K Press the lt ENTER gt key to confirm or press the key lt 9 UNIT gt to change it When lt 9 UNIT gt is pressed the thermocouple calibration data are brought back to the default value Press lt ENTER gt to proceed or lt ESC CLR gt to cancel the reset operation O The KTY sensor used has a resistance of 1000 Ohm at 25 C s 3
123. s R100 R 3 a 0 00385055 C7 100 Ro The relationship 1 between the sensor resistance and the temperature may be described alterna tively by the following relationship t t t A Ro Refloo rot L Aa oc tft 5 Ro Ryefioue ihz t gt 0 C 4 116 for which the following relationships apply a A 100B 0 00385055 e C7 6 6225 1 499785 A ad 100B 8 ee 0 10863 A 100B In 5 a coincides with the one defined in standard EN60751 it can be determined with a calibra tion operation on only two points Given the sensor resistance the temperature is obtained with the regression formula 6 Roy t at 6 see O S t t t tn lt 0C o 1 _ _ p 1 _ 100 10000 100 100 100 6 a t 20 C n l 5 t a i 100 10000 Note that unlike 2 which uses the coefficients A B and C equation 6 is calculated in such a way to point out the factor a This means that when the value a calculated as in 5 and the nominal values of 6 and P are in serted in 6 a precision of around 0 05 C is obtained Taking it from the first of the 4 it is possible to obtain a generalisation of the coefficient a calcu lated between 0 C and a temperature higher than 100 C G ga WU 5 8 onna R haneli 100 100 This allows to make the calibration at 0 C and at another selected point provided that it is higher than 100 C 117
124. s If enabled by a password this function allows you to configure the type of calibration of each probe present at the instrument inputs The standard procedure is as follows the instrument detects the presence of a probe at one of its inputs and reads its calibration data f Select probe Oo Info 1 Config Configurable options to a a lt Logging 3 Time date Ascii tas fale aes 1 A 20000001 RTD Serial 5 Calibrate gt 1 j gt ange Pesslor 2 B 20000002 RTD B Reset 7 Utility By Probe options 3 C 20000003 RTD 5 More lt EXC gt exit cancel If the probe contains only factory calibration data indicated with the code 0 factory the instrument will use these parameters If user calibration data are also present in the probe indicated with the code 1 user the user calibration will be used only if it has been carried out with the same instrument and not with another one ee MAIN MENU lt ESC gt exit cancel lt ESC gt exit cancel Serial numbers of the probes connected to the instruments This standard rule may be modified by configuring the instrument so as to use one type of calibration rather than another 0 factory the probe connected to the instrument input will use the factory calibration values inserted in the probe memory before sale or after recalibration in the factory even if a user calibration carried out with the same instrument is present this choice is useful for exam
125. s Hyper File cessories Hyper Terminal CAPTURE THT Browse E Disconnected TTY Auto detect SCROLL CAPS NLM Capture Frit 4 At this point the Hyper Terminal software is able to receive data from the measuring instrument and store them in the set file G Switch on the measuring instrument When the instrument has completed the switching on routine press the key lt 4 SERIALOUT gt ac tivate the immediate unloading of the data at the set rate with one of the three sub functions Screen key lt F1 gt see p 90 RCD key lt F2 gt see p 91 or ALL key lt F3 gt see p 92 To activate the unloading of the data stored in the internal memory use the Menu sub function Print se lected log MENU gt gt 2 Logging gt gt 4 Log file manager gt gt 0 Print selected log see p 20 101 H To end receiving data from an instrument e select TRANSFER from the Hyper Terminal window one click e select CAPTURE TEXT from the menu one click e select END from the pull down sub menu one click At this point data reception from the instrument is ended and the file stored in the computer can be used with any of the software packages used with WINDOWS a D09847 HyperTerminal O x File Edit View Call Transfer Help O ey 2 sf send File Receive File Capture Text Send Test File Pause Resume Capture to Printer Stop capturing I To quit running the Hyper Terminal
126. selected the date time and dimensions of the file appear in the two lines at the bottom of the display Attention there is no time relationship between the number associated with the file and the date of the file a lower number does not mean that the file is older Each file is identified only by its date and time To help the user when entering the print and dis play functions the most recent file is proposed while in the delete functions the oldest file is proposed In the example shown above file 09 is selected logging was started at 10 03 on 12 March 2001 and the file contains 3 pages of data To print it it is sufficient to set up the computer or the printer see the chapter THE FUNCTIONS OF STORING AND TRANSFERRING DATA TO A PERSONAL COMPUTER on p 86 and press the lt ENTER gt key At the end of printing press lt ESC CLR gt to return to the File Manager 20 2 4 1 View Selected Log Me VIEW A File manager ie ae O Print selected log ao 0i 1 View selected log 04H 05 S wda 5 Ii KIT T PI 6 6 2 Erase selected log OG HEr 3 Erase ALL logs e a 2001 03 12 10 03 00 lt ESC gt exit cancel pages Src GGUS E The function enables viewing of the log files directly on the display of the instrument Se lect the file with the arrows and then press lt ENTER gt the file date and time are presented Press lt ENTER gt the first logged datum appears using the Up arrow A move on to the ne
127. st paragraphs of this chap ter Probe Care and Maintenance Probe performances particularly at lowest speeds depend on the friction with which the vane turns around its own pivot Low friction levels assure better performances To guarantee this fea ture it is suggested neither to force lock or rotate the vane with fingers nor to position it as much as possible in airstreams containing elements that might cause the probe to get dirty 57 Dimensions 110mm E E i 85mm 85mm AP472 S2 AP472 S4 AP472 S1 Unscrew the handle 3 holding the probe body still in the point 1 _ 58 AP47181 23 6 AP47181 23 6 En AP47181 23 7 w AP47151 23 8 w AP47151 23 6 The AP472 S1 AP472 S2 probes in addition to the telescopic rod with swivel head can use the rigid telescopic rod 516 mm Unscrew the handle 3 holding the probe body still in the point 1 Screw the rod end AP471S1 23 6 5 on the screw 2 You can add more telescopic rods AP471S1 23 6 The last element can be the handle 3 or the telescopic rod AP471S1 23 7 6 The AP472 S4 probe can be used with the rigid telescopic rods AP471S1 23 6 _ 59 Technical Specifications AP472 S1 AP472 S2 AP472 S4 Air velocity Type of Measurements calculated flow air temperature Type of Measurement Air velocity calculated flow Air velocity calculated flow Air velocity calculated flow air temperature Air velocity
128. stream to be measured and press the reset key lt 00 gt The notice null A null B o null C will appear on the commands bar according to the input to which the module is connected Press the corresponding function key to reset measurement any fault drifts related to velocity and flow instantaneous values will be cleared Operation To reduce battery consumption upon the in strument power on air velocity and flow indi cations are in a stand by condition and the message Probe STD_BY lt ENTER gt to tog gle will be viewed the velocity sensor will not be powered until the lt ENTER gt key is pressed Even during standard working if you press lt ENTER gt alternatively the current Indicator of Airstream Direction 4 The probe has to stand in orthogonal position with respect to the flow and it shall not to be in clined m OK NO Now you can carry out your measurement pursuant to the indications provided in the first para graphs of this chapter Probe Care and Maintenance gas it might cause a fire or an explosion Avoid using these probes if inflammable gases are available Check that no gas leak or explosive product vapour be present in the environment where measurements have to be carried out The probe is very delicate and has to be handled with care Even in case of light impact the probe can be damaged most of all for omnidirectional probes which sensor is uncovered At the end of me
129. t 12 05 Stop programmed for 2001 01 01at 12 15 Press the key lt 1 MATH gt to cancel the operation Press lt ESC CLR gt to quit without cancelling the operation Logging menu 0 Log interval l Self shut off mode 2 Start stop time 3 Cancel auto start 4 Log file manager lt ESC gt exit cancel enter stop time use arrows to correct lt ENTER gt accept default lOm gt StartTime log ends at mem full 2001 01 01 12 05 Stop time lt ENTER gt TO CONFIRM Start time 2001 01 01 12 05 End time 2001 01 01 12 15 mode SCREEN lt ESC gt exit cancel Logging menu Log interval Self shut_off mode Start stop time Cancel auto start Log file manager lt ESC gt exit cancel lt ESC gt exit cancel The automatic start and stop timer is not active Press lt ESC CLR gt to continue 2 4 Log File Manager Manages the files of logged data Whenever a logging session is started with the key lt 2 LOG gt the instrument opens a new file with which it associates the date the start time and a number from 00 to 15 in this file are saved all the measurements acquired until the end of the logging session The file is composed of pages each page can contain up to 16 data one datum corresponds to a measurement of the three variables which appear on the display on SCREEN logging mode while on ALL mode each page contain up to 5 data each data corresponds to a measurement of all variab
130. t writes the number 2 in normal operation it activates the menu for the Logging function Key lt 6 RCD gt in the menu it writes the number 6 in normal operation it activates the menu for the Record function Key lt 9 UNIT gt in the menu it writes the number 9 in normal operation activates the menu for selecting the unit of measurement for the three inputs Key lt 8 REL gt displays the difference between the current value and the one stored the moment the key was pressed Key lt ON OFF gt switches the instrument on and off Key lt F3 gt activates the right hand command on the controls bar Controls bar the indications vary according to the active function Second display line line Y Indications of the active functions Internal temperature indication Input C DIN 45326 8 pole connector INTRODUCTION e Portable multifunction instrument e Datalogger with immediate or delayed start of logging programming of autostart and autostop e Large graphic display 56x38mm with adjustable contrast e Intelligent probes with automatic recognition they store the factory and user cali bration data e Possibility of using factory or user calibration e Functions Record Logging difference between two channels relative measure ment hold e Reserved functions with user password e Standard RS232C serial port e Immediate printing of the measured values or of their differences with indications of the max min and mean avg va
131. the value measured and compensated in temperature this will be 33 RH if the probe and the saturated solution are at 20 C Press lt ENTER gt to continue Take the probe out of the container with 33 RH close the container with its cap Having reached this point it is possible to proceed with the third point at 11 RH or to con clude calibration having calibrated the probe on the two points at 75 and 33 RH Press lt ESC CLR gt to conclude or go on to the next step Open the container with the 11 RH saturated solution Check that there are no drops of so lution inside if there are any dry them with absorbent paper Insert the probe in the container ensuring that the probe and the cap go perfectly down to the base The measuring chamber must be perfectly closed otherwise it will not become satu rated Wait at least 30 minutes If necessary correct the value of the saturated solution with the arrows The instrument will indicate the temperature measured by the sensor keep it within 1 C of the temperature used to calibrate the first two points When lt REL gt is pressed the instrument will propose the value measured and compensated in temperature this will be 11 3 RH if the probe and the saturated solution are at 20 C Press lt ENTER gt to conclude calibration Remove the probe from the container Close the container with its cap Unscrew the ring nut with the cap screw on the sensor protection This operation concludes calibration
132. them it is sufficient to let this time pass to return to standard measuring conditions See the introduction to the chapter on probes on p 28 D Press lt MENU gt and then lt ENTER gt to enter the Menu E Press 2 Logging and then 0 Log Interval set the logging time interval at 100 seconds and then press lt ENTER gt to confirm F To set self shut off press 1 Self shut_off mode press the key lt 1 MATH gt until the indica tion on the display says will shut off then press lt ESC CLR gt to quit G There remain to be inserted the date and time of starting and ending logging Press 2 Start stop time using the arrow keys and the numerical keys set the date and time of starting then press lt ENTER gt to confirm H Set the date and time of ending then press lt ENTER gt to confirm I The instrument proposes the setting just inserted press lt ENTER gt to confirm or lt ESC CLR gt to change it 89 J Choose if log all the variables Al A2 C3 Ti option ALL or only those which are dis played option SCREEN K At this point the instrument can be switched off it will switch on again automatically at the established time and date Notes 1 Logging stops automatically to stop it before the established time switch on the instrument press the key lt 2 LOG gt and then the function key StopLog lt F2 gt If you do not want to log the data but to send them direct
133. then F2 rcdSTOP to complete the redGO function or the F3 key rcdCLR to complete the M n 00 function If the outer power supplier 1s connected only the letter M appears or the let ter R flashes See the RCD functions from page 86 The RCD function for transferring data to a computer is active key lt 4 SERIALOUT gt gt key lt F2 gt To stop press the key lt 4 SERIALOUT gt and then F1 If an external power supply is con nected only the letter P and the letter R will flash See the function RCD on p 91 The data logging function is active press the key lt 2 LOG gt to stop If an external power supply is connected only the letter L will flash See the function Logging on p 88 80 The functions Logging key lt 2 LOG gt and Record key lt 6 RCD gt are active at the same time To end the Logging function press the key lt 2 LOG gt To end the Record function press the key lt 6 RCD gt and then the function key lt F2 gt rcdSTOP See the Logging function on p 88 and the function Record on p 86 The Logging function key lt 2 LOG gt and the immediate printing sub function RCD key lt 4 SerialOut gt gt key lt F2 gt are active at the same time To end the Logging function press the key lt 2 LOG gt To end the sub function RCD press the key lt 4 SerialOut gt and then the function key lt F1 gt STOP printing See the Loggi
134. tion mode Factory Printing absolute data When appropriate measurements are referred to temperature 23 0 C and to atm pressure 1013 0 mbar DATE TIME Channel Al Bl Cl 2001 04 23 10 25 24 27 64 C 21 02 C 20 86 C 2001 04 23 10 25 29 2 ROIO 20 9226 23 TOE 2001 04 23 10 25 34 DICSO2 26 TEC 25 76 C 2001 04 23 10 25 39 21 75 C 28 44 C 25 22 C Absolute data printed 90 The function is started by pressing the key lt 4 SERIALOUT gt and then the function key F1 ti STOP Pr lt Serial out function The settings of the parameters for the Screen function are in the MENU under the item Serial see p 22 for a detailed description THE RCD FUNCTION The lt 4 SerialOut gt gt lt F2 RCD gt function behaves similarly to the Screen function with these dif ferences e when the lt STOP gt key is pressed it supplies the number of samples measured N samples the maximum minimum and mean values of the variables for the 3 columns of data e itcan record up to a maximum of 100 000 samples The function is started by pressing the function key lt F2 gt EC lt Serial out function gt and ended like the Screen function by pressing the function key lt F1 gt STOP Printing 9 Below is an example of the RCD function Multifunction meter printout immediate mode Instrument serial n 00001234 Probe A RTD ser number 70000005 Calibration mode Factory Probe
135. to confirm common T_lim Enter limit value D set common T_lim x chan A _lim for integral sum l set chan A _lim chan B Q_lim expressed in 2 set chan B _lim chan C _lim lux_sec 3 set chan C _lim Y reset T_lim to D 4 reset T_lim to Q 5 reset ALL to Q U000e QUE 3 5 reset ALL to D lt ESC gt exit cancel lt ESC gt exit cancel lt ESC gt exit cancel To clear the value of a limit time previously set press lt 4 gt to activate the 4 reset T lim to 0 command press lt 5 gt to activate the 5 reset ALL to 0 command and reset everything How to Make an Integration Measurement After setting limits as indicated above quit the menu and go back to standard measuring Press lt I MATH gt aside F1 and F3 function keys Q Tgo and Q Tclr indications will appear The first one starts integration calculation while the second one clears the values of a previous integration and brings it to zero if an integration is started and the lt Q Tclr gt key is not pressed the calculation will start from the previous values Supposing that one only probe is connected to input A of the multifunction instrument the initial screen page will be the same as the one shown above A1 represents the current value provided by the probe A2 indicates the integration time and A3 the value of the integral calculated on variable Al If you press lt F3 gt A2 and A3 are brought to zero To start integration press lt F1 gt function key
136. to apply OFull calibration 1 75 tune up T 20 00 C 33 tune up RH 75 0 RH 3 l1 tune up lt ENTER gt accept lt ESC gt exit cancel lt ESC gt exit cancel Using the Up and Down arrow keys it 1s possible to correct the value with respect to the satu rated solution at 75 0 proposed by the instrument The temperature is the one measured by the Pt100 or TC sensor To confirm the calibration point you can use the lt REL gt key or the lt ENTER gt key With the lt REL gt key the correction is applied remaining in the same screen the instrument proposes the value measured and compensated in temperature Use the lt ENTER gt key to confirm the value and quit the procedure The lt REL gt key is useful when you want to have confirmation of the correction made or you want to repeat the operation be fore concluding After the lt REL gt key has been pressed the instrument shows the rela tive humidity value found this will be the same as the value of the saturated solution set or displayed by the instrument first line of the display if the probe and the saturated solution are at 20 C otherwise it will be corrected according to the temperature read Take the probe out of the container Close the container with its cap Unscrew the ring nut with the cap screw on the sensor protection This operation concludes calibration and alignment with a specific point of the RH Important notes l 2 3 4 Do not to
137. ttle difference between the two inputs of the differential probes and then the in strument doesn t display the value of zero even though the pressure measured for both the probe in puts is exactly the same For this purpose there is a reset command of the differential value let the inputs of the probe open so that they can measure the same pressure and then press the lt 0 gt reset key me Ti 25 3 C Ti 25 m Ti 25 3 C o o02 id 1 gag J Oe 4 Hi C P a GEY s 5 3 Ysel Zsel The message null A null B or null C appears in the controls bar according to which input the module is connected to Press the function key corresponding to the input to reset the differential pressure the instantaneous value and the corresponding peak value are set to zero Relative measure The function relative measure can be applied selectively for every input channel to all pres sure probes TP704 and TP705 connected through the interface module PP471 With respect to the analogue function with the lt 8 REL gt key this function can be applied separately to each in put channel In order to enable it press the key lt gt in the command bar The symbol Ref appears fol lowed by the letter that identifies the input channel By pressing the corresponding function key F1 F2 or F3 the instruments displays the difference between the current value and the value when the key has been pressed The activation of the function is
138. ty 3 Metric imperial More unit in use metric lt ESC gt exit cancel lt ESC gt exit cancel Select an item of the menu according to the geometric shape of the surface of air inlets or vents lt 0 gt if the surface is square or rectangular lt 1 gt if the surface is circular lt 2 gt if you already know the surface area Use the key lt 3 gt to switch the units of measurement from metric to English and vice versa 24 Rectangular Surface B lt _ lt gt area utility menu enter lst c2nd side ft U Area rectangle in cm using up down 1 Area circle use to switch side Area direct entry 10 00 lt 310 00 3 Metric imperial area cmAc 100 O unit in use metric lt ESC gt exit cancel lt ESC gt exit cancel Press lt 0 gt to open the submenu use the arrows to increase or decrease the measure of the first Ge 99 side either in cm or in ft then press decimal point to select the second side and the ar rows to set its length As you change the length of the two sides the instrument will show the area value in cm should the English system be active the area will be indicated both in ft and in cm Press Enter to confirm Circular Surface j i area utility menu enter diameter U Area rectangle using up down keys 1 Area circle cm 10 00 e Area direct entry cma 100 3 Metric imperial unit in use metric lt ESC gt exit cancel lt ESC gt exit cancel Enter the v
139. uch the RH sensor with your hands The base of the RH sensor is made of alumina so it breaks very easily During the entire calibration cycle work as much as possible at a constant temperature plastics are generally bad heat conductors so it takes some time for them to reach thermal equilibrium If satisfactory results are not obtained check whether the sensor is faulty or corroded during calibration the measurement chamber was not perfectly closed the saturated solutions used are exhausted A saturated solution at 11 RH or 33 RH is ex hausted when it not longer contains salt between the two walls but only a dense liquid in this case the chamber can no longer reach saturation For saturated solutions at 75 RH check that the salt is not dry crystallised to reach saturation it must be damp Storage of the saturated solutions saturated solutions must be kept if possible in the dark at a constant temperature of around 20 C with the container tightly closed in a dry place 40 Equilibrium Relative Humidity of Selected Lithium Chloride 11 23 0 54 11 26 0 47 11 29 0 41 11 30 0 35 PESCE 11 30 0 27 11 28 0 24 25 022 PEZE ETZ 11 16 0 21 11 10 0 22 11 03 0 23 10 95 0 26 10 86 0 29 10 75 0 33 10 64 0 38 10 51 0 44 10 38 0 51 10 23 0 59 10 07 0 67 9 90 0 77 Magnesium Chloride 33 66 0 33 33 60 0 28 33 47 0 24 33 30 0 21 33 07 0 18 32 78 0 16 32 44 0 14 32 05 0 13 3
140. ue is necessary change it and confirm by pressing lt ENTER gt At this point the instrument display shows the temperature value that it is reading and the calibration value the latter may be altered using the arrows When the values indi cated by the instrument are the same as those of the reference probe press lt ENTER gt to con firm If you do not want to perform this step press lt ESC gt The instrument then proposes 200 00 C as third point follow the same procedure as for the second point Press lt ENTER gt to confirm or lt ESC gt to cancel the current step Calibration is now completed 3 View edit parameters with this function it 1s possible to view and or modify the coefficients that describe the curve T f R used by the programme for finding the temperature as a function of the resistance of the PRT sensor PRT see the appendix for details The following example shows how to modify the parameter Ro of the curve of the Pt100 sensor connected to input A of the instrument For convenience of setting this parameter is shown in thousandths of an ohm so 100 000Q is indicated as 100000mQ2 Insert the new value and press lt ENTER gt to confirm it If you do not want to correct the value but only view it press lt ESC CLR gt to quit without making any variations The other parameters of the curve a 6 and P are shown using only the significant figures of the respective values for example a 0 00385055 is shown as 385055 since
141. ument is using an external power supply To conclude the logging operation it is sufficient to press the StopLog lt F2 gt key If after having pressed the key lt 2 LOG gt you do not want to proceed with the logging operation it is sufficient to press the lt ESC CLR gt key to return to normal measurement The same logging function may be started and stopped at a fixed time and date see the Logging function on page 88 and the respective settings on page 17 3 Key 3 TIME TIME In the menu it writes the number 3 1n measurement it displays the current time and date in the year month day format The in dication disappears about 5 seconds after pressing the key lt 3 Time gt The date and time may be modified in point 3 of the menu Time date see page 22 SERIAL OUT In the menu it writes the number 4 in measurement it enables the submenu for managing the opera tions connected with the RS232C serial output the data are printed in table form The functions that can be activated with the three function keys F1 F2 and F3 are Screen key lt F1 gt unlimited continuous printing of the data just as they are shown on the display at the time of starting the function RCD key lt F2 gt same as Screen function plus the indication of the maximum minimum and mean values up to a maximum of 100 000 samples ALL key lt F3 gt prints the 9 quantities Al A2 C2 C3 and the internal temperature If a
142. velocity up to 10 m s vane probes in environments with air velocity from 5 to 50m s Pitot tube probes in environments with air velocity higher than 40m s The temperature of the fluid to be measured has to be also taken into consideration hot wire probes measure streams having an 80 C max temperature vanes reach 120 C while Pitot tube probes measure the velocity of air streams having temperature up to 600 C according to the model Measurements provided by these probes are e air velocity variable identified by number 1 that is Al B1 or C1 e air temperature variable identified by number 2 that is A2 B2 or C2 e flow variable identified by number 3 that is A3 B3 or C3 The probes of AP471 AP472 and AP473 series provide three different measures at the same time air velocity air temperature and flow To view the three measurements contemporane ously no other probe has to be connected to the instrument Insert the connector with the SICRAM module in one of the inputs i e A and then turn the in strument on Should the display indicate that an input variation has occurred wait for a few sec onds The instrument will turn off and then on again displaying the 3 measurements A1 velocity A2 temperature and A3 flow If the probe is not equipped for measuring temperature only Al velocity and A3 flow variables will be viewed Press lt 9 UNIT gt to select the units of measurement of the displayed instanta
143. ween the ventilating grill and the probe TEMPORARY PIPE PIPE SECTION an PROBE a LLL AIR VENT Unit Conversion Table m h 60 1 ft min 1 3 1 foot minute 0 01829 0 01138 9 874 10 1 km h 54 69 po 0 6222 0 5399 1 mph 1 statute mile hour 87 89 1 6071 aa 0 8689 in kmh mph l 49 AP471 S1 AP471 S2 AP471 S3 AP471 S4 AP471S5 AND AP471S6 HOT WIRE PROBES FOR MEASUREMENT OF AIR VELOCITY EQUIPPED WITH SICRAM MODULE The AP471 SI and AP471 S3 probes measure incident air flows up to 40m s The AP471 S2 AP471 S4 AP471 S5 and AP471 S6 probes are fitted with an omnidirectional sensor allowing measurement of speeds up to 5m s in any direction of the air flow incident on the probe The AP471 S4 probe is fitted with support base and sensor protection the AP471 S5 is identical to the AP471 S4 but instead of a base it is provided with a telescopic rod The wind speed measurement is com pensated for according to temperature within the range of 0 80 C The probes AP471S1 AP471 S2 and AP471S3 measure the environment temperature in the range of 30 C 110 C AP471 S4 AP471S5 and AP471 S6 probes in the range 0 C 80 C AP471 S1 AP471 S3 Zero Command The AP471S modules are fac tory calibrated and do not re quire any calibration by the user Before carrying out a measure LINE OF STREAM DIRECTION SPEED SENSOR ment you have to adjust the COMPENSATION
144. xit cancel lt ESC gt exit cancel 6 RESET With this command the instrument parameters are returned to default conditions The variables that are reset are the date time the configurable options protected by password the baud rate for serial communication the print options and the logging functions 23 After entering the RESET function with the key lt 6 RCD gt press lt ENTER gt to confirm or lt ESC CLR gt to cancel the operation MAIN MENU i 1 Config DO YOU REALLY 2 Tame dake WANT TO RESET 5 Calibrate lt ENTER gt to confirm NUtility 5 More specs i lt ESC gt exit cancel ESC gt exit cance 7 UTILITY INSTRUMENTS It makes a list of calculating instruments and functions used by some modules connectable to the instrument 7 1 Area Calculations It is used for flow measurements for example with hot wire anemometric probes as well as with vane and Pitot tube probes Flow measurement requires to know the pipe area or the area of the outlet vent vertically posi tioned with respect to the flow to set this parameter select item 1 Area calculations FE AS The unit of measurement to be used is cm for the metric system and ft for the English one in this case the instrument will use the conversion into cm for internal calculations MATA MENU area utility menu i Config 0 Area rectangle 3 Time date 1 Area circle 5 Calibrate 2 Area direct entry NUtili
145. xt datum and so on for all the others On reaching the last datum there appears the indi cation END OF LOG DETECTED Use the arrows to move about among the logged data press lt ESC CLR gt to quit and return to the File Manager Each file generated with LOG gt gt ALL function is composed of 10 variables the measures Al A2 C2 C3 and the internal temperature Ti As the LCD can display not more that three variables at a time these files aren t displayed but they can be transferred to a PC with the function PRINT SELECTED LOG 2 4 2 Erase Selected Log E ERASE A FILE _ File manager e ENTER select Please confirm to O Print selected log wa 0I 0e 03 ERASE log number OO l View selected log Jee ib 01 started on 2 Erase selected log fa TL 2001 01 01 11 25 3 Erase ALL logs lt ENTER gt ERASE D 2001 01 01 1 25 00 lt ESC CLR gt exit cancel lt ESC gt exit cancel pages Srec y HGZ This function gives access to the menu for erasing single selected files Select a data file using the arrows then to erase it press lt ENTER gt A confirmation screen appears press lt ENTER gt again to proceed with erasure lt ESC CLR gt to cancel the operation and return to the File Manager Attention the erased files cannot be recovered 2 4 3 Erase ALL logs This function allows you to erase ALL the files in the memory press lt ENTER gt to pro ceed a message appears reminding you that ALL the files in the mem

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