9100S Users Guide 65..
Contents
1. SET u Units C F Display Temperature Select Setpoint SET DOWN SET EXIT Set Point Resistance Adjust Setpoint SETEXIT Secondary Functions L p SET EXIT Units C F SET EXIT Display Power Scan On Off SET EXIT SET EXIT y Set Proportional Band Scan Rate J EXT SET EXIT Configuration Menu lt ______ _ SET SET x Menu Legend EXIT EXIT Press SET to step through the menu and Operating UP Lp Serial TE to store the parameter value Pi t Interf eo Com ee om Menu o Press EXIT briefly to skip a parameter SET E E SET x 5 without storing the parameter value l q a Hold EXIT 2 seconds to exit the menu T and display the temperature T E Adjust 6 j jus E Ag Hl BAUD Rate Z _ Adjust Ro I SET EXIT SET EXIT 5 SET EXIT Sample 2 a rs Adjust ALPHA SET EXIT SET EXIT Select DELTA Y Adj Duplex SEVEN SETEXIT Adjust Linefeed SET EXIT pe Figure 5 Controller Operation Flow Char2. Hart Scientific O 9100S Dry Well Calibrator User s Guide Rev 650301 Fluke Corporation Hart Scientific Division 799 E Utah Valley Drive e American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com www hartscientific com Subject to change without notice e Copyright 2005 Printed in USA Rev 650301 Table of Contents 1 Before You Start l 1 1 Symbols Used mis eee bni undid wee eS 1 1 2 Safety Information esse a ale aS a a es Re ee 2 1 2 1 WETS sige as ae RS gs EE neces aah OR eo ade Su a Ge a 2 1 22 CAULONS dia sek da E E E E E E E E EE de E ET EEE cad cae e 4 1 3 Authorized Service Centers 5 2 Introduction 7 3 Specifications and Environmental Conditions 9 3 1 SPECITICAIONS s sie a ae coa e a Re Eee ee ERS 9 3 2 Environmental Conditions a a 9 3 3 Warranty sc 2b Oa SHA ew ae ee Eas a ES as 10 4 Quick Start sses ss eae eee Hi Hee ee wes ete es M 4 1 Unpackins segs amo ha E SRO a Ok A AA 11 4 2 SEED 2444 Gbwe is ove dost ee ad 11 4 3 POWELL ass aban e 4 68 4 4 bars 11 4 4 Setting the Temperature s socso eado a ee 12 5 Parts and ControlS 13 5 1 Rear Panel ie sir ge ae Gee E GE ate Bare ol Sch we 13 9 2 SIGE VIEW sos cena sy ane a gS ER Ee eee Ee E E 14 5 3 Front Panel ssa iier pe e a e das de a
3. 2 and 3 Rear Panel Power Cord The removable power cord Figure 1 attaches to the back side of the instrument It plugs into a standard 115 VAC optional 230 VAC grounded socket 115VAC 45 Hz 65 Hz 175W 1 5A RS 232 Oces go uu c N10140 501811 gt Figure 1 Back Panel Power Switch The power switch is located on the back panel of the instru ment The switch is either on or off The on position is for normal operation The off position disconnects power to the entire unit Fan The fan inside the instrument runs continuously when the unit is being operated to provide cooling to the instrument The fan has two speeds a slow speed for control operation and a faster speed for rapid cooling Slots at the top and around the corners of the instrument are provided for airflow The area around the calibrator must be kept clear to allow adequate ventilation The air is 13 9100S Dry well Calibrator User s Guide directed from the back to the front and may be hot Allow 6 inches of open space around the calibrator to allow adequate ventilation RS 232 The RS 232 serial port provides a means for connecting the instru ment to a computer or a printer using the included serial cable N WARNING Always leave enough clearance in front of the calibrator to allow for safe and easy installation and removal of probes 5 2 Side View Prop Stand The prop stand Figure 2 is located on the bottom side of the in
4. Another 5 to 10 minutes is required to stabilize within 0 1 C of the set point Ultimate stability may take 15 to 20 minutes more of stabilization time Changing Display Units This instrument can display temperature in Celsius or Fahrenheit The tempera ture units are shipped from the factory set to Celsius There are two ways to change to Fahrenheit or back to Celsius 1 Press the SET and A simultaneously The temperature display changes units or 1 Press the SET key three times from the temperature display to show 2 Press the A or W key to change units 3 Press SET to save the setting or EXIT to continue without changing the setting 17 7 Controller Operation Well Temperature 7 1 7 2 7 2 1 Controller Operation This chapter discusses in detail how to operate the dry well temperature con troller using the front control panel Using the front panel key switches and LED display the user may monitor the well temperature set the temperature set point in degrees C or F monitor the heater output power adjust the control ler proportional band and program the calibration parameters operating pa rameters and serial interface configuration Operation of the functions and parameters are shown in the flowchart in Figure 5 on page 20 This chart may be copied for reference In the following discussion a button with the word SET or EXIT inside or A and W indicates the panel button
5. e 16 Controller Operation Flow Chart 00 0 20 Serial Cable Wiring susana pass mms dato Ted 31 Tables Tablel Table 2 Table 2 International Electrical Symbols Controller Communications Commands Controller Communications Commands continued 1 Before You Start Symbols Used 1 1 Before You Start Symbols Used Table 1 lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Table1 International Electrical Symbols Symbol Description NU AC Alternating Current ING AC DC Battery Complies with European Union directives A MA DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Burn Hazard Read the User s Manual Important Information Off On OOl gt o 9100S Dry well Calibrator User s Guide Symbol Description Canadian Standards Association us CAT II 14 O OVERVOLTAGE Installation CATEGORY II Pollution Degree 2 per IEC1010 1 re fers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY Il is energy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appliances C TIC Australian EMC The European Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC mark 1 2 Safety Information Use this instrument
6. always replace the fuse with one of the same rating voltage and type 1 2 2 A Cautions Always operate this instrument at room temperature between 41 F and 122 F 5 C to 50 C Allow sufficient air circulation by leaving at least 6 inches 15 cm of clearance around the instrument Component lifetime can be shortened by continuous high temperature op eration DO NOT use fluids to clean out the well Never introduce any foreign material into the probe hole of the insert Fluids etc can leak into the instrument causing damage DO NOT change the values of the calibration constants from the factory set values The correct setting of these parameters is important to the safety and proper operation of the calibrator DO NOT drop the probe sheath in to the well This type of action can cause a shock to the sensor and affect the calibration The instrument and any thermometer probes used with it are sensitive in struments that can be easily damaged Always handle these devices with care DO NOT allow them to be dropped struck stressed or overheated The Factory Reset Sequence see Section 12 Troubleshooting should be performed only by authorized personnel if no other action is successful in correcting a malfunction You must have a copy of the most recent Report of Calibration to restore the calibration parameters DO NOT operate this instrument in an excessively wet oily dusty or dirty environment Always keep the well and
7. displays the E E R heater power 12 0P Heater power in percent SET Access proportional band Prop Flashes Pr oP and then displays the setting 4 1 Proportional band setting O 10 0 New proportional band setting To accept the new setting press SET Press EXIT to continue without stor ing the new value SET Accept the new proportional band setting Controller Configuration The controller has a number of configuration and operating options and calibra tion parameters which are programmable via the front panel These are ac cessed from the secondary menu after the proportional band function by pressing SET Pressing SET again enters the first of three sets of configu ration parameters Operating parameters serial interface parameters and cali bration parameters The menus are selected using the up and down arrows and then pressing SET Operating Parameters The operating parameters menu is indicated by PAr Operating parameters menu A The operating parameters menu contains the High Limit parameter High Limit The High Limit parameter adjusts the upper set point temperature The factory default and maximum are set to 375 C 707 F The minimum setting is 125 C 257 F For safety a user can adjust the High Limit down so the maximum temperature set point is restricted 25 9100S Dry well Calibrator User s Guide 26 7 11 7 11 1 HL Flashes HL and then displays the
8. fluke nl Fluke Intl Corporation Service Center Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Dajie Chao Yang District Beijing 100004 PRC CHINA 9100S Dry well Calibrator User s Guide Phone 86 10 6 5 12 3436 Telefax 86 10 6 5 12 3437 E mail xingye han fluke com cn Fluke South East Asia Pte Ltd Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace 03 16 The Comtech Lobby D 118502 SINGAPORE Phone 65 6799 5588 Telefax 65 6799 5588 E mail antngOsinga fluke com When contacting these Service Centers for support please have the following information available e Model Number e Serial Number e Voltage e Complete description of the problem 2 Introduction Introduction The Hart Scientific 9100S Mid Range Field Calibrator may be used as a porta ble instrument or bench top temperature calibrator for calibrating thermocouple and RTD temperature probes This instrument is small enough to use in the field and accurate enough to use in the lab Calibrations may be done over a range of 35 C to 375 C 95 F to 707 F Temperature display and setability resolution is 0 1 degrees The instrument features e Rapid heating and cooling e Prop stand e RS 232 interface capability Built in programmable features include e Temperature scan rate control e Eight set point memory e Adjustable readout in C or F The temperature is accurately controlled by Hart s digital controll
9. hl hl 9999 9 hl 375 0 Set High Limit hifimit n hl 300 125 0 to 375 0 C 257 0 to 707 F Serial Interface Menu Read serial sample setting sa mple sa sa 99999 sa 1 Set serial sampling setting to n sa mple n sa 0 0 to 10 000 seconds Set serial duplex mode du plex f ull h FULL or HALF alf du plex f ull du f Set serial duplex mode to full 33 9100S Dry well Calibrator User s Guide Controller Communications Commands continued Command Command Returned Acceptable Values Command Description Format Example Returned Example Set serial duplex mode to half dulplex hlalf du h Set serial linefeed mode If eed on of f ON or OFF Set serial linefeed mode to on_fleed on If on Set serial linefeed mode to off _ fleed offf If of Calibration Menu Read RO calibration parameter r 0 r r0 999 999 ro 100 7 Set RO calibration parameter ton r O n r 100 7 95 0 to 105 0 Read ALPHA calibration parameter al pha al al 9 99999999 al 0 003865 Set ALPHA calibration parameter al pha n al 0 003865 0 002 to 0 006 ton Read DELTA calibration parameter dellta de de 1 50 Set DELTA calibration parameter dellta n de 1 37 de 9 99999 0 3 0 Miscellaneous Other Commands Read firmware version number ver sion ver ver 9999x 9 99 ver 9100S 1 01 Read structure of all commands h elp h list of commands Read ALL operating parameters all all list of parameters Read setpoint resistance sr sr 999 9
10. inserts clean and clear of foreign material The dry well is a precision instrument Although it has been designed for optimum durability and trouble free operation it must be handled with care Always carry the instrument in an upright position to prevent the probe sleeves from dropping out If a mains supply power fluctuation occurs immediately turn off the in strument Power bumps from brown outs could damage the instrument Wait until the power has stabilized before re energizing the instrument 1 Before You Start Authorized Service Centers 1 3 e The prop stand was not designed to be used as a handle for carrying the instrument To avoid damage do not force the prop stand beyond the in cline positions of the instrument e Allow for probe expansion inside the well as the block heats e Most probes have handle temperature limits Be sure that the probe handle temperature limit is not exceeded in the air above the instrument Authorized Service Centers Please contact one of the following authorized Service Centers to coordinate service on your Hart product Fluke Corporation Hart Scientific Division 799 E Utah Valley Drive American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com Fluke Nederland B V Customer Support Services Science Park Eindhoven 5108 5692 EC Son NETHERLANDS Phone 31 402 675300 Telefax 31 402 675321 E mail ServiceDesk
11. only as specified in this manual Otherwise the protection provided by the instrument may be impaired Refer to the safety information in the Warnings and Cautions sections below The following definitions apply to the terms Warning and Caution Warning identifies conditions and actions that may pose hazards to the user Caution identifies conditions and actions that may damage the instru ment being used 1 2 1 A Warnings To avoid personal injury follow these guidelines GENERAL DO NOT use this instrument in environments other than those listed in the User s Guide Inspect the instrument for damage before each use DO NOT use the in strument if it appears damaged or operates abnormally Follow all safety guidelines listed in the user s manual Calibration Equipment should only be used by Trained Personnel If this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Before initial use or after transport or after storage in humid or semi hu mid environments or anytime the dry well has not been energized for more than 10 days the instrument needs to be energized for a dry out period of 2 hours before it can be assumed to meet all of the safety re quirements of the IEC 1010 1 If the product is wet or has been in a wet environment take necessary measures to remove moisture prior to apply 1 Before You Start Safety Info
12. setting 375 i Flashes the current value and then displays the value for HE assine 315 i Current High Limit setting O 300 New High Limit setting To accept the new setting press SET Press EXIT to continue without stor ing the new value SET Accept the new High Limit setting Serial Interface Parameters The serial RS 232 interface parameters menu is indicated by SErL i Serial RS 232 interface parameters menu Press SET to enter the menu The serial interface parameters menu contains parameters which determine the operation of the serial interface The parame ters in the menu are baud rate sample period duplex mode and linefeed Baud Rate The baud rate is the first parameter in the menu The baud rate setting deter mines the serial communications transmission rate The baud rate parameter is indicated by bRUS Flashes bf Ud for one second and then displays the setting O AO 2400b Current baud rate The baud rate of the serial communications may be programmed to 300 600 1200 2400 default 4800 or 9600 baud Use the up or down arrows to change the baud rate value 4800 b New baud rate OO Press SET to accept the new setting or EXIT to abort the operation and skip to the next parameter in the menu 7 Controller Operation Serial Interface Parameters 7 11 2 7 11 3 7 11 4 Sample Period The sample period is the next parameter in the serial interface pa
13. strument and lays flat against the bottom of the instrument when not in use The prop stand can be swung down into a standing position when using the in strument at an inclined position Figure 2 Side View of the 9100S Showing the Prop Stand 14 5 Parts and Controls Front Panel 5 3 A CAUTION The prop stand was not designed to be used as a handle for carrying the instrument To avoid damage do not force the prop stand be yond the inclined position of the instrument Front Panel Well Block Located on the right side of the front panel is the well opening where a block Figure 3 designed to accept different probe sizes is installed Each block is designed to accept different diameter temperature sensors Four different blocks are available See Section 5 4 Constant Temperature Block As sembly for details Controller Display The digital display is an important part of the temperature controller because it not only displays set and actual temperatures but also vari ous calibrator functions settings and constants The display shows tempera tures in units according to the selected scale C or F Controller Keypad The four button keypad allows easy setting of the set point temperature The control buttons SET V A and EXIT are used to set the calibrator temperature set point access and set other operating parame ters and access and set calibration parameters 9100S Hart Scientific Figure 3 Fron
14. temperature and set point resistance at 350 0 C Compute RO and ALPHA T dend 05 100 100 deta T E 100 100 R a R a a a T uw rzero 4 ds R R alpha R a Ria delta is the new value of DELTA computed above Section 10 2 1 Program the new values for DELTA delta RO rzero and ALPHA alpha into the instrument See Section 7 12 Calibration Parameters on page 28 and Figure 5 on page 20 Accuracy and Repeatability Check the accuracy of the dry well at various points over the calibration range If dry well does not pass specification at all set points repeat the Calibration Procedure 11 Maintenance 11 Maintenance e This instrument has been designed with the utmost care Ease of operation and simplicity of maintenance have been a central theme in the product development Therefore with proper care the instrument should require very little maintenance Avoid operating the instrument in an oily wet dirty or dusty environment e If the outside of the instrument becomes soiled it may be wiped clean with a damp cloth and mild detergent Do not use harsh chemicals on the surface which may damage the paint e Itis important to keep the well of the calibrator clean and clear of any for eign matter Do not use fluid to clean out the well e Use a commercially available plastic or felt brush of appropriate diameter for a tight fit withou
15. typical measurements be 35 9100S Dry well Calibrator User s Guide made at the desired temperatures with the desired test probes to establish these times 36 10 Calibration Procedure Calibration Points 10 10 1 10 2 10 2 1 Calibration Procedure Sometimes the user may want to calibrate the dry well to improve the tempera ture set point accuracy Calibration is done by adjusting the controller probe calibration constants RO ALPHA and DELTA so that the temperature of the dry well as measured with a standard thermometer agrees more closely with the set point The thermometer used must be able to measure the well temperature with higher accuracy than the desired accuracy of the dry well By using a good thermometer and following this procedure the dry well can be calibrated to an accuracy of better than 0 5 C over its full range Calibration Points In calibrating the dry well RO ALPHA and DELTA are adjusted to minimize the set point error at each of three different dry well temperatures Any three reasonably separated temperatures may be used for the calibration Improved results can be obtained for shorter ranges when using temperatures that are just within the most useful operating range of the dry well The farther apart the calibration temperatures the greater the calibrated temperature range However the calibration error is also greater over the range For instance if 150 C to 350 C is chosen as the ca
16. while the dotted box indicates the display reading Explanations of the button or display reading are to the right of each button or display value Well Temperature The digital LED display on the front panel allows direct viewing of the actual well temperature This temperature value is normally shown on the display The units C or F of the temperature value are displayed at the right For example 100 0 C Well temperature in degrees Celsius The temperature display function may be accessed from any other function by pressing and holding the EXIT button Temperature Set point The temperature set point can be set to any value within the range and with res olution as given in the specifications Be careful not to exceed the safe upper temperature limit of any device inserted into the well Setting the temperature involves selecting the set point memory and adjusting the set point value Programmable Set points The controller stores 8 set point temperatures in memory The set points can be quickly recalled to conveniently set the calibrator to a previously programmed temperature set point To set the temperature first select the set point memory This function is ac cessed from the temperature display function by pressing SET The number of the set point memory currently being used is shown at the left on the display followed by the current set point value 19 9100S Dry well Calibrator User s Guide
17. 1 9100S Dry well Calibrator User s Guide 22 7 3 7 3 1 7 3 2 New units selected Press SET to accept the new units or EXIT to cancel Note The temperature scale units may also be changed by pressing SET and A when the temperature is displayed This action toggles the units between F and C Scan The scan rate can be set and enabled so that when the set point is changed the dry well heats or cools at a specified rate degrees per minute until it reaches the new set point With the scan disabled the dry well heats or cools at the maximum possible rate Scan Control The scan is controlled with the scan on off function that appears in the main menu after the temperature scale units Sc Sc flashes for one second and then the current scan setting a iy displayed E OFF Scan function off Gn i Scan function on Press SET to accept the present setting and continue Accept scan setting Scan Rate The scan rate can be set from 0 1 to 99 9 C min The maximum scan rate how ever is actually limited by the natural heating or cooling rate of the instrument This rate is often less than 100 C min especially when cooling The scan rate function appears in the main menu after the scan control function The scan rate units are in degrees Celsius per minute regardless of the selected units Sr i Sr flashes for one second and then the current scan rate setting is displayed 0 1 E Sca
18. 99 ohms 110 023 ohms Legend Optional command data Returns either information n Numeric data supplied by user 9 Numeric data returned to user x Character data returned to user Note When DUPLEX is set to FULL and a command is sent to READ the command is returned followed by a carriage return and linefeed Then the value is returned as indicated in the RETURNED column 34 9 Test Probe Calibration Calibrating a Single Probe 9 1 9 2 9 2 1 Test Probe Calibration For optimum accuracy and stability allow the calibrator to warm up for 10 minutes after power up and then allow adequate stabilization time after reach ing the set point temperature After completing operation of the calibrator al low the well to cool by setting the temperature to 25 C for one half hour before switching the power off Calibrating a Single Probe Insert the probe to be calibrated into the well of the instrument The probe should fit snugly into the calibrator probe sleeve yet should not be so tight that it cannot be easily removed Avoid any dirt or grit that may cause the probe to bind in the sleeve Best results are obtained with the probe inserted to the full depth of the well Once the probe is inserted into the well allow adequate stabi lization time to allow the test probe temperature to settle as described above Once the probe has settled to the temperature of the well it may be compared to the calibrator display tempe
19. Block Assembly on page 16 and Fig ure 4 on page 16 Power 115 VAC 10 50 60 Hz 1 5 A or 230 VAC 10 0 8 A 50 60 Hz 175 W Size 2 25 H x 4 9 W x 6 1 D 57 mm x 125 mm x 150 mm Weight 2 lb 3 oz 1 08 Kg Safety Conforms to EN61010 1 Conforms to CAN CSA C22 2 No 1010 1 UL3111 and ANSI ISA S82 01 Fault Protection Sensor burnout protection over temperature cutout and electrical fuses Fuse Rating 250 V 3 A FF very fast acting NO USER SERVICEABLE PARTS Environmental Conditions Although the instrument has been designed for optimum durability and trou ble free operation it must be handled with care The instrument should not be operated in an excessively dusty or dirty environment Maintenance and clean ing recommendations can be found in the Maintenance Section of this manual The instrument operates safely under the following conditions e temperature range 5 50 C 41 122 F 9100S Dry well Calibrator User s Guide 3 3 e ambient relative humidity 15 50 e pressure 75kPa 106kPa e mains voltage within 10 of nominal e vibrations in the calibration environment should be minimized e altitudes less than 2000 meters e indoor use only Warranty Fluke Corporation Hart Scientific Division Hart warrants this product to be free from defects in material and workmanship under normal use and service for a period as stated in our current product catalog from the date of shipment This war
20. Compatibility Directive EMC Directive 89 336 EEC The Declaration of Conformity for your instrument lists the specific standards to which the unit was tested Low Voltage Directive Safety In order to comply with the European Low Voltage Directive 73 23 EEC Hart Scientific equipment has been designed to meet the IEC 1010 1 EN 61010 1 and the IEC 1010 2 010 EN 61010 2 010 standards
21. E ee G 15 5 4 Constant Temperature Block Assembly 16 6 General Operation 17 6 1 Setting the Temperature o 17 6 2 Changing Display Units o a 17 7 Controller Operation 19 7 1 Well Temperature so so ee satawa ee eee ee ga a 19 7 2 Temperature Set point ssa errans i eau nei 19 T21 Programmable Set points as gaia gs gas Belg Gow we Pla E ane 19 7 2 2 Setpoint Value z 4 4 44 RAN rs Ck a RRA A ae eee 21 7 2 3 Temperature Scale Units oroa d eee ah Be ad cd 21 7 3 CAM tn da e a te J vel id a Ni 22 7 3 1 Scan Control sio cr ware aa ees dd Sw ea See eee 22 7 3 2 A O AN 22 7 4 Set point Resistance o e e 23 7 5 secondary Men oe as A 23 7 6 HeatemRower so a earan A a o a 23 7 7 Proportional Band eeo s eca eraan ee ee 24 7 8 Controller Configuration lt s eos s ecs o o 25 7 9 Operating Parameters sos is e we eb eee ee 25 T O High Limit oa da a a es 25 7 11 Serial Interface Parameters 26 7 11 1 Baud Roles om sr AE E A A A a 26 7 11 2 Sample Peridd s s a aea dda ri a Be a Soe eS 27 7 11 3 D plex Mode s s gnie a a E rA 27 7 11 4 Einefeedi oor ani aa aa Gok Be ala lo Gla BPD eMC qi Bil Bie gies ls Beda 27 7 12 Calibration Parameters 0 000004 eee 28 TAZ Hard Cutouts sois artes ects Dos EIS ts o Be naa 28 74122 RO pa eee SEA ew a eee
22. are shown in lower case although upper case may be used Spaces may be added within command strings and will simply be ignored Backspace BS ASCII 8 may be used to erase the previous character A termi nating CR ASCII 13 is implied with all commands 8 Digital Communication Interface Interface Commands Table 2 Controller Communications Commands Command Command Returned Acceptable Values Command Description Format Example Returned Example Display Temperature Read current set point setpoint s set 9999 99 C or F set 150 00 C Set current set point to n s etpoint n s 350 Instrument Range or t 350 tlemperature n Read temperature tlemperature t t 9999 9 C or F t 55 6 C Read temperature units u nits u u x u C Set temperature units u nits c f CorF Set temperature units to u nits c u c Celsius Set temperature units to u nits f u f Fahrenheit Read scan mode sc an sc sc ON or OFF sc ON Set scan mode sc an on off sc on ON or OFF Read scan rate st ate sr srat 99 9 C or F min srat 12 4 C min Set scan rate st ate n sr 1 1 0 1 to 99 9 C 0 2 to 179 8 F Secondary Menu Read proportional band setting pr op band pr pb 999 9 pb 15 9 Set proportional band to n pr op band n pr 8 83 0 1 to 30 C 0 2 to 54 F Read heater power po wer po po 999 9 po 6 5 duty cycle Configuration Menu Operating Parameters Menu Read High Limit hi imit
23. atio of heater on time to the pulse cycle time By knowing the amount of heating the user can tell if the calibrator is heating up to the set point cooling down or controlling at a constant temperature Monitoring the percent heater power allows the user to know the stability of the well tem perature With good control stability the percent heating power should not fluc tuate more than 1 within one minute 23 9100S Dry well Calibrator User s Guide 24 7 7 The heater power display is accessed in the secondary menu Press SET and EXIT simultaneously and release The heater power is displayed as a percent age of full power 100 0 Well temperature se ex Access heater power in secondary menu E SEC Flashes SEC for secondary menu and then displays the Aa heater p wer 12 0P Heater power in percent To exit out of the secondary menu press EXIT To continue on to the propor tional band setting function press SET Proportional Band In a proportional controller such as this the heater output power is proportional to the well temperature over a limited range of temperatures around the set point This range of temperature is called the proportional band At the bot tom of the proportional band the heater output is 100 At the top of the pro portional band the heater output is 0 Thus as the temperature rises the heater power is reduced which consequently tends to lower the temperatur
24. cated by ro Flashes for one second and then the RO setting is displayed AO 39 999 New R setting mG Seapsuecacaaedsaueunsseceussaseues To accept the new setting press SET Press EXIT to continue without stor ing the new value SET Accept the new RO setting ALPHA This probe parameter refers to the average sensitivity of the probe between 0 and 100 C The value of this parameter is set at the factory for best instrument accuracy ALPHA Flashes for one second and then the ALPHA setting is Beet tees led 38530 Current ALPHA setting IAS 38600 i New ALPHA setting min Stensuecatasteaassucsrscaciuaseces To accept the new setting press SET Press EXIT to continue without stor ing the new value 29 9100S Dry well Calibrator User s Guide 30 7 12 4 SET Accept the new ALPHA setting DELTA This probe parameter characterizes the curvature of the resistance temperature relationship of the sensor The value of this parameter is set at the factory for best instrument accuracy Flashes for one second and then the DELTA setting is displayed Current DELTA setting O 0 1000 O New DELTA setting To accept the new setting press SET Press EXIT to continue without stor ing the new value SET Accept the new DELTA setting 8 Digital Communication Interface RS 232 Connection 8 1 Digital Communication Interface This instrument is capable of
25. communicating with and being controlled by other equipment through the digital serial interface With a digital interface the instrument may be connected to a computer or other equipment This allows the user to set the set point temperature monitor the temperature and access any of the other controller functions all using re mote communications equipment Communications commands are summarized in Table 2 on page 33 RS 232 Connection The three conductor jack for the serial port is located on the back of the instru ment One serial cable is included Additional or longer cables of three meters or less can be constructed by following the wiring diagram shown in Figure 6 Note The TxD line on one side connects to the RxD line on the other and vice versa To reduce the possibility of electrical interference the serial cable should be shielded with low resistance between the connector and the shield and should not be much longer than is necessary The protocol for serial com munications is 8 data bits stop bit and no parity Use no flow control Set the linefeed to ON all carriage returns are followed by a linefeed ASCII decimal 10 and the duplex to HALF disabling echo 7 GND GND RD TD 10 T kh Figure 6 Serial Cable Wiring 31 9100S Dry well Calibrator User s Guide 32 8 2 The serial port can be used to transmit measurements to a computer or printer or to change settin
26. e back down In this way the temperature is maintained at a fairly constant level The temperature stability of the well and response time depend on the width of the proportional band If the band is too wide the well temperature deviates ex cessively from the set point due to varying external conditions This is because the power output changes very little with temperature and the controller cannot respond very well to changing conditions or noise in the system If the propor tional band is too narrow the temperature may swing back and forth because the controller overreacts to temperature variations For best control stability the proportional band must be set for the optimum width The proportional band width is set at the factory and printed on the Report of Calibration The proportional band width may be altered by the user if desired to optimize the control characteristics for a particular application The proportional band width is easily adjusted from the front panel The width may be set to discrete values in degrees C or F depending on the selected units The proportional band adjustment is accessed within the secondary menu Press SET and EXIT to enter the secondary menu and show the heater power Then press SET to access the proportional band ser fexr Access heater power in secondary menu 7 Controller Operation Controller Configuration 7 8 7 9 7 10 SEL Flashes SEC for secondary menu and then
27. eee eee ee 29 FAQS ANPR sanar Sidi O coe ath ee af sewers da ad 29 7 12 4 DEBUTA os ee Ve Shae OHS A DAES OHS DA e BES 30 8 Digital Communication Interface 31 8 1 RS 232 Connection aoao ao a 31 8 2 Interface Commands e garagem doa bh as E 32 9 Test Probe Calibration 35 9 1 Calibrating a Single Probe 2 2 ee ee 33 9 2 Dry well Characteristics 2 sass eee ee ee 35 9 2 1 Stabilization and Accuracy o sse ao e e aea ea ee 35 10 Calibration Procedure ot 10 1 Calibration Points 2 2 0 2 ee ee ee 37 10 2 Calibration Procedure 0 0 002 002 a 37 10 2 1 Compute DELTAS os voto a Sitios BPA ep doen Sok de gee Se 37 10 2 2 Compute RO and ALPHA 0 0000000 bees 38 10 2 3 Accuracy and Repeatability o o oo 00007 38 11 Maintenance ssa us eek ad sa a a a 39 12 Troubleshooting les a Re EES 41 12 1 Troubleshooting Problems Possible Causes and Solutions 41 122 CE Comiments s ags ci Mow Bee BO NES da 42 12 24 12 22 EMC Directive dis dm aaa Boe HR Ae RR a Be Re a Low Voltage Directive Safety s e soo e eoa ee ae ooo o iii Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Back Panel s ass ns hae a a de a ee eed Dae 13 Side View of the 9100S Showing the Prop Stand 14 Front Panel o eaer ms a medo e Oe EEE ee 15 Fixed Block Options 0 0
28. er The con troller uses a precision platinum RTD as a sensor and controls the well temper ature with a triac driven heater The LED front panel continuously shows the current well temperature The temperature may be set using the control buttons to any desired temperature within the instrument s range Multiple fault protection devices insure user and instrument safety and protection This dry well calibrator was designed for portability low cost and ease of op eration Through proper use the instrument will provide continuous accurate calibration of temperature sensors and devices The user should be familiar with the safety guidelines and operating procedures of the calibrator as de scribed in the instruction manual 3 Specifications and Environmental Conditions Specifications 3 1 3 2 Specifications and Environmental Conditions Specifications Range 35 C to 375 C 95 F to 707 F Accuracy 0 25 C at 50 C 0 25 C at 100 C 0 5 C at 375 C Stability 0 07 C at 50 C 0 1 C at 100 C 0 3 C at 375 C Resolution 0 1 C or F Well to Well Uniformity 0 2 C with sensors of similar size at equal depths within wells Heating Times 35 to 375 C 9 5 minutes Stabilization 5 minutes Cooling Times 375 to 100 C 14 minutes Well Depth 4 inches 102 mm 1 16 inch 1 6 mm hole is 3 5 inches 89 mm deep Fixed Block Options See Section 5 4 Constant Temperature
29. es and Solutions In the event that the instrument appears to function abnormally this section may help to find and solve the problem Several possible problem conditions are described along with likely causes and solutions If a problem arises please read this section carefully and attempt to understand and solve the problem If the problem cannot otherwise be solved contact an Authorized Service Center see Section 1 3 for assistance Be sure to have the instrument s model num ber serial number voltage and problem description available Problem Possible Causes and Solutions Incorrect tempera Incorrect RO ALPHA and DELTA parameters Find the value for RO ALPHA and ture reading DELTA on the Report of Calibration Reprogram the parameters into the instrument see Section 7 12 Calibration Parameters Allow the instrument to stabilize and ver ify the accuracy of the temperature reading Controller locked up The controller may have locked up due to a power surge or other aberration Initialize the system by performing the Factory Reset Sequence Factory Reset Sequence Hold the SET and EXIT buttons down at the same time while powering up the instrument The instrument displays shows init the model number and the firmware version Each of the controller parameters and calibration constants must be reprogrammed The values can be found on the Report of Calibration The instrument Incorrect scan and scan rate settin
30. gs The scan and scan rate settings may be heats or cools too setto unwanted values Check the Scan and Scan Rate settings The scan may be quickly or too off if the unit seems to be responding too quickly The scan may be on with the slowly Scan Rate set low if unit seems to be responding too slowly Improper line voltage Verify that the voltage reading in the bottom of the unit matches the source voltage Unstable display Wait Allow the instrument to stabilize for a few minutes Proportional band may be incorrect Refer to the proportional band on the Report of Calibration 41 9100S Dry well Calibrator User s Guide 42 12 2 12 2 1 12 2 2 Problem Possible Causes and Solutions The display shows Controller problem The error messages signify the following problems with the any of the follow controller ing Err I Err Err 1 aRAMerror 2 Err 3 Err 2 a NVRAM error Ere 4 Err 5 Er 3 a Structure error DEMOLER En y an ADC setup error Err 5 an ADC ready error Err 6 a defective control sensor Err 1 a heater error Initialize the system by performing the Factory Reset Sequence describe above Temperature can Incorrect High Limit parameter The High Limit parameter may be set below not be setabovea 375 C Check this value as described in Section 7 9 Operating Parameters certain point CE Comments EMC Directive Hart Scientific s equipment has been tested to meet the European Electromag netic
31. gs of the instrument from a computer A full list of com mands follows in Section 8 2 Commands sent to the instrument must end with an EOS character which is a carriage return CR ASCII 13 or linefeed character LF ASCII 10 Com mands can be sent with upper or lower case letters Data returned from the in strument ends with a carriage return If the linefeed setting is on a linefeed character is also sent afer the carriage return Interface Commands The various commands for accessing the calibrator functions via the digital in terface are listed in this section see Table 2 These commands are used with the RS 232 serial interface The commands are terminated with a carriage re turn character CR ASCII 13 The interface makes no distinction between up per and lower case letters hence either may be used Commands may be abbreviated to the minimum number of letters which determines a unique com mand A command may be used to either set a parameter or display a parameter depending on whether or not a value is sent with the command following a character For example s returns the current set point and s 150 0 sets the set point to 150 0 degrees In the following list of commands characters or data within brackets and J are optional for the command A slash denotes alternate characters or data Numeric data denoted by n may be entered in decimal or exponential notation Characters
32. into a mains outlet of the proper voltage fre quency and current capability Refer to Section 3 1 Specifications for the power details Turn the instrument on using the switch on the rear panel The instrument will turn on and begin to heat to the previously programmed tem perature set point The front panel LED display will indicate the actual instru ment temperature 11 9100S Dry well Calibrator User s Guide 4 4 Setting the Temperature Section 7 2 explains in detail how to set the temperature set point on the cali brator using the front panel keys The procedure is summarized here 1 Press SET twice to access the set point value 2 Press A or W arrow to change the set point value 3 Press SET to program in the new set point 4 Press and hold EXIT to return to the temperature display When the set point temperature is changed the controller switches the well heater on or off to raise or lower the temperature The displayed well tempera ture gradually changes until it reaches the set point temperature The well may require 5 to 10 minutes to reach the set point depending on the span Another 5 to 10 minutes is required to stabilize within 0 1 C of the set point Ultimate stability may take 15 to 20 minutes more of stabilization time 5 Parts and Controls Rear Panel 5 5 1 Parts and Controls The user should become familiar with the dry well calibrator and its parts See Figures 1
33. libration range the calibrator may achieve an accu racy of say 0 3 C over the range 150 C to 350 C Choosing a range of 200 C to 300 C may allow the calibrator to have a better accuracy of maybe 0 2 C over the range 175 C to 325 C but outside that range the accuracy may be only 0 5 C Calibration Procedure 1 Choose three set points to use in the calibration of the RO ALPHA and DELTA parameters These set points are generally 50 0 C 200 C and 350 0 C but other set points may be used if desired or necessary 2 Set the dry well to the lowest set point When the dry well reaches the set point and the display is stable wait 15 minutes or so and then take a reading from the thermometer T Sample the set point resistance of the dry well R by holding down SET and pressing W Write these values down as T and R respectively 3 Repeat step 2 for the other two set points recording them as T and R and T and R respectively 4 Using this recorded data calculate new values for RO ALPHA and DELTA using the following formula Compute DELTA A T T 37 9100S Dry well Calibrator User s Guide 38 10 2 2 10 2 3 B ami i 5 i q if 3 T E R R F R R AF BE DE CF delta where T and R are the measured temperature and set point resistance at 50 0 C T and R are the measured temperature and set point resistance at 200 0 C T and R are the measured
34. mparison calibrations Block B has four holes that accept probe diameters of 3 8 1 4 3 16 and 1 8 Block C has two holes that accept probe diameters of 3 16 and 1 2 Block D has six holes two that accept probe diameter of 3 mm two that ac cept probes of 4 mm diameter and two that accept probes of 6 mm diameter Surrounding the well opening are small ventilation holes which provide cooling to the instrument 9100S Fixed Block Options Block B Block Block 20 3 4mm 3 8 9 5 mm 3 16 4 8 mm an 1 2 12 7 mm mm 3 16 4 8 mm 1 8 3 2 mm 1 4 6 4 mm 4mm Figure 4 Fixed Block Options 16 6 General Operation Setting the Temperature 6 1 6 2 General Operation Setting the Temperature Section 7 2 explains in detail how to set the temperature set point on the cali brator using the front panel keys The procedure is summarized here 1 Press SET twice to access the set point value 2 Press or W to change the set point value 3 Press SET to program in the new set point 4 Press and hold EXIT to return to the temperature display When the set point temperature is changed the controller switches the well heater on or off to raise or lower the temperature The displayed well tempera ture gradually changes until it reaches the set point temperature The well may require 5 to 10 minutes to reach the set point depending on the span
35. n rate in C min 7 Controller Operation Set point Resistance 7 4 7 5 7 6 Press the up or down arrow to change the scan rate 2 0 New scan rate Press SET to accept the new scan rate and continue SET Accept scan rate Set point Resistance This set point resistance is used in the calibration calculation of the instrument and is not adjustable Once the desired temperature has been reached and the controller is stable the set point resistance can be displayed by pressing SET and W simultaneously The set point resistance is displayed as follows SF ES Sr ES flashes for two seconds and then the whole number of the current set point resistance setting is displayed 39 i Whole number portion of the set point resistance flashes for two seconds and then the fraction portion of the current set point resistance setting is displayed soc i Fraction portion of the current set point resistance setting The set point resistance is 99 222 Secondary Menu Functions which are used less often are accessed within the secondary menu The secondary menu is accessed by pressing SET and EXIT simulta neously and then releasing The first function in the secondary menu is the heater power display See Figure 5 Heater Power The temperature controller controls the temperature of the well by pulsing the heater on and off The total power being applied to the heater is determined by the duty cycle or the r
36. ng Unpack the dry well carefully and inspect it for any damage that may have oc curred during shipment If there is shipping damage notify the carrier immediately Verify that the following components are present e 9100S Dry well e Power Cord e User s Guide with Report of Calibration e RS 232 Cable e 9930 Interface it Software and User s Guide Set up Place the calibrator on a flat surface with at least 6 inches of free space around the instrument Always leave enough clearance in front of the instrument to al low for safe and easy insertion and removal of probes The prop stand may be swung down to raise the front of the instrument from a horizontal position Plug the power cord into a grounded mains outlet Observe that the nominal voltage corresponds to that indicated on the calibrator Turn on the power to the calibrator by toggling the power switch on The fan should begin quietly blowing air through the instrument and the controller dis play should illuminate after 3 seconds After a brief self test the controller should begin normal operation If the unit fails to operate please check the power connection The display should show the well temperature and the well heater will bring the temperature of the well to the set point temperature After using the calibrator allow the well to cool by setting the temperature to 25 C and waiting 1 2 hour before turning the instrument off Power Plug the instrument power cord
37. nu contains the parameters Hard Cutout RO ALPHA and DELTA which charac terize the resistance temperature relationship of the platinum control sensor These parameters may be adjusted to improve the accuracy of the calibrator The calibration parameters are accessed by pressing SET after the name of the parameter is displayed The value of the parameter may be changed using the up or down arrow After the desired value is reached press SET to set the parameter to the new value Pressing EXIT causes the parameter to be skipped ignoring any changes that may have been made Hard Cutout This parameter is the temperature above which the unit shuts down automati cally The value of this parameter is set at the factory to approximately 400 C and cannot be changed by the user 7 Controller Operation Calibration Parameters 7 12 2 7 12 3 The hard cutout parameter is indicated by CeGut Flashes for one second and then the hard cutout setting is aa displayed 400 0 Current hard cutout setting A AA Press EXIT to continue to the next parameter RO This probe parameter refers to the resistance of the control probe at 0 C The value of this parameter is set at the factory for best instrument accuracy The value ranges from 95 to 105 For values greater than 100 000 the display does not show the hundreds placement For values less than 100 000 the display shows the entire value The RO parameter is indi
38. on or disables off transmission of a linefeed character LF ASCII 10 after transmission of any carriage return The linefeed parameter is indicated by 27 9100S Dry well Calibrator User s Guide 28 7 12 7 12 1 LF Flashes for one second and then the serial linefeed setting rica mtb is displayed Un Current linefeed setting OFF New linefeed setting Press SET to accept the new setting or EXIT to abort the operation and skip to the next parameter in the menu Calibration Parameters The operator of the instrument controller has access to a number of the calibra tion constants namely the Hard Cutout RO ALPHA and DELTA These values are set at the factory and must not be altered The correct values are important to the accuracy and proper and safe operation of the instrument Access to these parameters is available to the user so in the event the controller memory fails the user may restore these values to the factory settings The user should have a list of these constants and their settings with the instrument manual CAUTION DO NOT change the values of the instrument calibration con stants from the factory set values The correct setting of these parameters is important to the safety proper operation and performance of the in strument The calibration parameters menu is indicated by CAL Calibration parameters menu Press SET five times to enter the menu The calibration parameters me
39. rameter menu The sample period is the time period in seconds between temperature measure ments transmitted from the serial interface If the sample rate is set to 5 the in strument transmits the current measurement over the serial interface approximately every five seconds The automatic sampling is disabled with a sample period of 0 The sample period is indicated by SPEr Flashes for one second and then the serial sample period EA EANET see ta displaved i Current sample period seconds Mattessuesadasessassunerseaceuaseees 60 New sample period Press SET to accept the new setting or EXIT to abort the operation and skip to the next parameter in the menu Duplex Mode The next parameter is the duplex mode The duplex mode may be set to full du plex or half duplex With full duplex any commands received by the calibrator via the serial interface are immediately echoed or transmitted back to the device of origin With half duplex the commands are executed but not echoed The du plex mode parameter is indicated by dUPL Flashes for one second and then the serial duplex mode FULL Current duplex mode setting O HALF i New duplex mode setting ing vegeubeauatweusssunetueseneseees Press SET to accept the new setting or EXIT to abort the operation and skip to the next parameter in the menu Linefeed The final parameter in the serial interface menu is the linefeed mode This pa rameter enables
40. ranty extends only to the original purchaser and shall not apply to any product which in Hart s sole opinion has been subject to misuse alteration abuse or abnormal conditions of operation or handling Software is warranted to operate in accordance with its programmed instruc tions on appropriate Hart products It is not warranted to be error free Hart s obligation under this warranty is limited to repair or replacement of a product which is returned to Hart within the warranty period and is determined upon examination by Hart to be defective If Hart determines that the defect or malfunction has been caused by misuse alteration abuse or abnormal condi tions or operation or handling Hart will repair the product and bill the pur chaser for the reasonable cost of repair To exercise this warranty the purchaser must forward the product after calling or writing a Hart Scientific Authorized Service Center see Section 1 3 The Service Center assumes NO risk for in transit damage THE FOREGOING WARRANTY IS PURCHASER S SOLE AND EXCLU SIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EX PRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR USE HART SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAM AGES OR LOSS WHETHER IN CONTRACT TORT OR OTHERWISE 4 Quick Start Unpacking 4 1 4 2 4 3 Quick Start Unpacki
41. rature The display temperature should be stable to within 0 1 C degree for best results CAUTION Never allow foreign material into the probe holes of the block Fluids and other materials can damage the instrument causing binding and damage to your probe Dry well Characteristics There is a temperature gradient vertically in the test well The heater has been applied to the block in such a way as to compensate for nominal heat losses out of the top of the dry well However actual heat losses vary with design of the thermometer probes inserted into the calibrator and the temperature For best results insert probe to full depth of well Stabilization and Accuracy The stabilization time of the instrument depends on the conditions and temper atures involved Typically the test well stabilizes to 0 1 C within 5 minutes of reaching the set point temperature as indicated by the display Ultimate stability is achieved 10 to 20 minutes after reaching the set temperature Inserting a cold probe into a warm well requires another period of stabilizing depending on the magnitude of the disturbance and the required accuracy For example inserting a 0 25 inch diameter room temperature probe into a sleeve at 300 C takes 5 minutes to be within 0 3 C of its settled point and might take 10 minutes to achieve maximum stability Speeding up the calibration process can be accomplished by knowing how soon to make the measurement It is recommended that
42. rmation ing power such as storage in a low humidity temperature chamber operat ing at 50 degree centigrade for 4 hours or more DO NOT use this instrument for any application other than calibration work The instrument was designed for temperature calibration Any other use of the instrument may cause unknown hazards to the user Completely unattended operation is not recommended Overhead clearance is required DO NOT place the instrument under a cabinet or other structure Always leave enough clearance to allow for safe and easy insertion and removal of probes If the instrument is used in a manner not in accordance with the equip ment design the operation of the dry well may be impaired or safety haz ards may arise This instrument is intended for indoor use only BURN HAZARDS DO NOT turn the instrument upside down with the inserts in place the inserts will fall out DO NOT operate near flammable materials Use of this instrument at HIGH TEMPERATURES for extended periods of time requires caution DO NOT touch the well access surface of the instrument The block vent may be very hot due to the fan blowing across the heater block of the dry well The temperature of the well access is the same as the actual display tem perature e g if the instrument is set to 375 C and the display reads 375 C the well is at 375 C For top loading dry wells the top sheet metal of the dry well may exhibit extreme temperature
43. s for areas close to the well access The air over the well can reach temperatures greater that 200 C for high temperature 400 C and higher dry wells Note Probes and inserts may be hot and should only be inserted and removed from the instrument when the instrument is set at temperatures less than 50 C Use extreme care when removing hot inserts DO NOT turn off the instrument at temperatures higher than 100 C This could create a hazardous situation Select a set point less than 100 C and allow the instrument to cool before turning it off The high temperatures present in dry wells designed for operation at 300 C and higher may result in fires and severe burns if safety precau tions are not observed ELECTRICAL SHOCK DO NOT operate this instrument without a properly grounded properly polarized power cord Electric shock may result 9100S Dry well Calibrator User s Guide DO NOT connect this instrument to a non grounded non polarized out let Ensure the earth ground to the outlet is properly connected Electrical shock may result if the outlet is not installed correctly Always replace the power cord with an approved cord of the correct rat ing and type HIGH VOLTAGE is used in the operation of this equipment SEVERE INJURY or DEATH may result if personnel fail to observe safety precau tions Before working inside the equipment turn power off and discon nect power cord If supplied with user accessible fuses
44. t 20 7 Controller Operation Temperature Set point 7 2 2 7 2 3 E 100 0 C Well temperature in degrees Celsius SET Access set point memory 1 100 Set point memory 1 location 100 C currently used 4 300 E New set point memory 4 location 300 C Press SET to accept the new selection and access the set point value Press EXIT to continue and to ignore any changes Accept selected set point memory Set point Value The set point value may be adjusted after selecting the set point memory and pressing SET 4 200 Set point 4 value in C If the set point value does not need to be changed press and hold EXTT to re sume displaying the well temperature To change the set point value press SET and then press the up or down arrow 220 0 New set point value When the desired set point value is reached press SET to accept the new value and access the temperature scale units selection If EXIT is pressed any changes made to the set point are ignored Accept new set point value Temperature Scale Units The temperature scale units of the controller maybe set by the user to degrees Celsius C or Fahrenheit F The units are used in displaying the well tem perature set point proportional band and high limit Press SET after adjusting the set point value to change display units Un Scale units currently selected Press the up or down arrow to change the units 2
45. t Panel Setting the control temperature is done directly in degrees of the current scale It can be set to one tenth of a degree Celsius or Fahrenheit The functions of the buttons are as follows SET Used to display the next parameter in the menu and to store parameters to the displayed value W down arrow Used to decrement the displayed value of parameters A up arrow Used to increment the displayed value 15 9100S Dry well Calibrator User s Guide 1 8 3 2 mm 3 16 4 8 mm BI 1 4 6 4 mm 5 4 lock A 32 4 mm 3 16 4 8 mm EXIT Used to exit a function and to skip to the next function Any changes made to the displayed value are ignored Constant Temperature Block Assembly The Block is made of aluminum and provides a relatively constant and accu rate temperature environment in which the sensor that is to be calibrated is in serted A high temperature platinum RTD imbedded in the block assembly senses and controls the temperature of the block The entire assembly is sus pended in an air cooled chamber thermally isolated from the chassis and electronics WARNING The opening in front of the block may be very hot due to air blowing forward The constant temperature block is available in the following configurations Block A has six holes four that accept probe diameters of 1 4 5 32 1 8 and 1 16 and two that accept probes of 3 16 diameter to allow co
46. t any fluid to clean the well Complete the cleaning process by using cotton swabs and air to remove any debris e The dry well calibrator should be handled with care Avoid knocking or dropping the calibrator e Do not slam the probe stems into the well This type of action can cause a shock to the sensor e Ifahazardous material is spilt on or inside the equipment the user is re sponsible for taking the appropriate decontamination steps as outlined by the national safety council with respect to the material e Ifthe mains supply cord becomes damaged replace it with a cord with the appropriate gauge wire for the current of the instrument If there are any questions call a Hart Scientific Authorized Service Center see Sec tion 1 3 for more information e Before using any cleaning or decontamination method except those rec ommended by Hart users should check with a Hart Scientific Authorized Service Center see Section 1 3 to be sure that the proposed method will not damage the equipment e Ifthe instrument is used in a manner not in accordance with the equip ment design the operation of the dry well may be impaired or safety haz ards may arise and the warranty may be voided 39 Solutions 12 Troubleshooting Troubleshooting Problems Possible Causes and 12 12 1 Troubleshooting This section contains information on troubleshooting CE Comments and a wiring diagram Troubleshooting Problems Possible Caus
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