L200 User Manual Operating Instructions for L200-TC
Contents
1. Logging seid J Max Count 384 Status Off C On Interval fig in sec Download 1 200 Control Panel 200 0 8720100218 Comms interval gt Online ZR 21 02 10 20 01 33 rr Er east pr 1004 Er E In this window the Comms Port is selected and instrument settings are made Comms Port Select the required port if this is not done automatically The online indicator flashes green when communications between the L200 and the PC are established L200 settings i The L200 internal clock date amp time are set to user defined values or PC clock if use PC Time is checked The internal clock can be set by the user PC or Internet date amp time can be set in the L200 internal clock by checking the PC time box amp clicking Send unchecking PC time amp clicking Refresh ii Auto Scan interval can be entered 2 to 10 seconds and Autoscan switched on ii iv or off C or F are selected Instrument button beep can be selected or switched off When settings are completed click send and close the system configuration window Changes to settings can be made at any time L200 Temperature Monitor Chart recorder display For a chart recorder analogue display of all 8 channels click on chart x and y axes are auto scaled to suit readings The chart recorder can be opened and closed as2. C Off On Lagging settings Count 384 Status 1 Off C On Interval fig in sec Download The logging interval for each chanel is set up common and sent to the instrument by clicking send Logging is started by selecting on in the status box and clicking send It is stopped by selecting off and clicking send Logged readings are downloaded to file in format in the PC by clicking download Downloading takes approximately 2 5 minutes status is indicated in the window The file will be created in the same folder as used for the PC software The PC connection is not required during logging only when configuring the logging regime Alternatively logging will commence immediately when the front panel key is pressed at the same time as the instrument is powered up Logging will cease when the instrument is powered down The L200 can be used manually during logging ie channels can be selected individually or auto scanned via the front panel key for temperature readings When the on board logged values memory is full 512 sets of 8 readings those readings stored first will be overwritten by new values L200 Temperature Monitor Calibration Checking The L200 is designed to be highly accurate and highly stable as indicated in the specification Self calibration is performed during each A D analogue to digita
3. Chi Cal 100 00 100 00 250 0000 250 0000 0 0000 10 0000 T xr Connect 100 00m to all the checked channels Click Next when ready Clear the existing calibration data by clicking Reset for the selected channel in the calibration window L200 Temperature Monitor Zero amp Span calibration L200 PT a b d Connect a 100 00 Ohm precision resistor to input as indicated in 3a and enter this value in the top R box to the left Click on the chI check box to select chI for calibration In the main control panel click resistance in the display box just below ch6 readout Click reset and restart this clears the existing calibration data and prepares the selected channel for calibration Click next when ready Then follow the procedure as instructed in the dialogue screen to the lower left of the calibration window Connect 350 00 Ohm precision resistor in to input in place of the 100 00 Ohm resistor and enter this value in the lower box Click next when ready and follow the procedure as instructed When the 350 00 Ohm calibration is completed channel is calibrated Click send Repeat steps a to j for the other channels clicking the checkbox for each channel as selected When finished click send to send the calibration data to the instrument Close the calibration
4. Sensor open circuit detection amp indication Ambient operating temperature Storage temperature Display Input Terminations better than 0 05 C 0 1 of range 0 05 C 0 01 of span per C 0 01 of span per C LCD backlight Thermocouple ranges 0 1 C Ptl00 range 0 01 C Front panel key for channel No or auto scan selection PC software for all other functions Channel No measured temperature C or F Automatic accurate reference junction compensation is incorporated for thermocouple ranges User facility incorporated The instrument auto calibrates on every A D cycle Upscale indication Independent alarms should be used for Process safety if required 0 to 50 C 20 C to 70 C LCD with backlight 8 x thermocouple mini connectors L200 Temperature Monitor PC Interface Power supply Logging interval On board memory PC software The integral self calibration facility for the thermocouple version is a rapid and convenient method for on site calibration and does not require any additional equipment other than the special external link optional Self calibration of Pt 00 ranges is quickly and conveniently performed using plug in precision resistors optional Traceable calibration can be achieved by the user conveniently and without recourse to a accredited Laboratory if there is access to a certified DVM this can be used to measure the L200 internally generated calibrated
5. a LABFACILIT Y L200 User Manual Operating Instructions for L200 TC amp L200 PT Temperature Monitor C RoHS compliant www L200temperaturemonitor co uk www labfacility co uk 015 Certificate No 4746 L200 Temperature Monitor Contents 1 About the E200 ORALADIR RARER RUE 3 2 Installation 0000 a aaan anaana ccc RR RR 4 43433 4 5 n idn MM 4 4 Supply COMME CUION 4 Communication Interface visos ERR 4 Sensor 5 5 3 Operatibo s TIT 6 18 a Stand alone MEER 6 To read sensor temperatures directly To scroll through all channels 1 1 a P 6 A 6 Go bc M y Sensor type selection 8 System ConpfiguratiOn CR E HERREN A 9 rm 9 00580655 9 Chart recorder GIS DIA 10 x99 2 E 10 L200 on board logging Calibration checking L200 TC thermocouple
6. Voltage via the cal port presented externally to the instrument case Considerable time 8 x Pt100 terminal blocks USB 6Vdc 5 5 9 0V via universal mains adaptor supplied 120 250V 50 60Hz 5 seconds to hour 512 sets of readings Supplied as standard on CD ROM Remote control amp measure Log readings to file Download to PC Logging calibration ie 214 and cost saving are achieved by this method Ordering Thermocouple input x8 L200 TC 00 Ptl00 x4 input Calibration kit Custom calibration Standard accessories L200 PT 00 L200CALT external link for thermocouple model Included with L200 TC L200CALP precision resistor set for Ptl00 model details on application The L200 is supplied with a power supply adaptor USB lead PC software CD and instruction manual The L200 TC is supplied with a ref link L200 TC includes external link Specifications may be subject to change 20 L200 Temperature Monitor 5 Suggested application Probe comparison calibration Temperature sensors may need to be routinely checked and or calibrated in accordance with specified procedures There are various ways of achieving such compliance which typically involve sending the sensors to an accredited laboratory for certification an expensive and time consuming procedure A practical highly cost effective alternative method is to use an in house portable temperature calibration s
7. window m Re connect the sensors as required and click temperature in the display box in the main control panel to resume temperature measurement Other values of calibration resistor can be used if preferred the chosen value must be entered in the R box as appropriate Note m amp values are allocated by the software which computes any measurement offset values to ensure precise calibration These are not for user adjustment Factory calibration values can be restored if required by clicking on Restore in the calibration window L200 Temperature Monitor 4 Specifications at an ambient temperature of 20 C Input Ranges Thermocouple to IEC 584 0 to IEC751 3 wire Type J 200 C to 750 C Type K 200 C 1200 Type T 200 C to 350 C Type E 200 C to 900 C Type N 0 C to 1300 C Type R 0 C to 1760 C Type S 0 C to 1760 C Type B 250 C to 1800 200 C to 850 C Note all inputs are non isolated and sensors must be of insulated construction Accuracy Thermocouples JKTE amp N better than 0 1 C 0 1 of range 100 C to span Zero to span 0 15 of range 101 to 200 C amp E Thermocouples R 5 amp B better thant 0 1 C 0 15 of range 00 Linearisation Zero drift Span drift Display Display resolution User interface Indication Reference junction compensation for thermocouples Self calibration
8. a Connect the Ref link supplied to the Ref output on the rear panel and to any of the input sockets as required it is logical to start with input 1 L200 Temperature Monitor b L200 Temperature Monitor In the main control panel click millivolt in the display box just below ch6 readout The L200 display will show the corresponding temperature for a OmV input to the relevant channel they can be ignored during this procedure E200 Control Panel L200R1 0 20100303 Comms interval 2 Online 11 03 10 11 03 30 Chi Ch2 Ch3 Min 0 0000 0 0208 0 0281 0 0146 Max 20327 50 0000 50 0000 50 0000 50 0000 50 0000 50 0000 50 0000 Chart yp Cho Configure logging EE d PC Logging Reset Min Max Display Calibrate Start Stop C Temperature About Exit Observe the readout value of the chosen channel input If the calibration of the instrument is correct the readout will indicate 10 00 00 Note The value is 10 00mV the least significant two digits indicated in the control panel display are and 0 l uV respectively i e a display of say 10 0085 indicates an error of 8 5 in 10 00mV which is negligible and well within specification In fact any digits following 10 00 can be ignored Repeat a and c above as required for other inputs Disconnect the ref link from the jack and the channel input socket Click temperature in the Display
9. and for information only it can be ignored Clear the existing calibration data by clicking Reset for the selected channel in the calibration window L200 Temperature Monitor Zero amp Span Calibration L200 TC a b d Link all eight thermocouple inputs in parallel and apply 0 0000mV signal to them A 67 digit DVM preferably UKAS certified should be used to check the applied voltage Click on the box to the left of the calibration window selects all channels for calibration If preferred individual channels can be calibrated by selecting and clicking on the appropriate tick box In the main control panel click millivolt in the Display box just below Ch6 readout Click reset and restart this clears the existing calibration data and prepares the selected channel for calibration Click next when ready Then follow the procedure as instructed in the dialogue screen to the lower left of the calibration window for span calibration 50 0000mV signal is applied to the input s Click next when ready and follow the procedure instructed When the 50mV calibration is completed click send to complete the procedure Close the calibration window Remove the mV source from the input connection s and re connect sensors as required Click temperature in the Display box in the main Control Panel to resume temperature measurement Note m amp
10. box to resume normal measurement In the unlikely event of re calibration being deemed necessary please contact Labfacility or refer to the re calibration procedure later in this section if suitable equipment and skills are available Note Untrained personnel must not attempt re calibration of the L200 Please contact Labfacility for more information L200 Temperature Monitor 2 Re calibration thermocouple version L200 TC To be conducted only by authorised amp trained personnel using the appropriate equipment Unauthorised re calibration may invalidate the instrument warranty and would invalidate any applicable calibration certificate The PC software must be running and the USB lead connected between the L200 and the PC with communications established online indicator in the Control Panel flashing green Note The next step will clear the resident calibration data this is a good time to check that everything is in place for re calibration Click on calibrate in the lower left hand area of the window The following calibrate window appears 7 1200 Control L200R1 0 20100303 Cho CIC Pr Select the channel to calibrate by checking the Cal checkbox in each channel Connect 100 00m to all the checked channels Click Next when ready The CJC display value is for instrument set up
11. laboratory performance at a very competitive price The PC software supplied with the instrument allows control measure logging and calibration functions L200 Temperature Monitor 2 Installation Front panel Rear Panel L200 Temperature Monitor L200 Temperature Monitor A ele L200 TC L200 PT Supply connection The L200 operates from 6 to 9V dc supply A suitable 90 to 250V 50 60Hz adaptor is supplied with the instrument complete with alternative pin configurations for international supply outlets Connect the adaptor output jack to the supply input socket on the rear panel an on off switch is not fitted simply connect the supply Communication interface Connect the USB cable supplied between the instrument and the PC L200 Temperature Monitor Sensor connections L200 TC thermocouple inputs L200 Temperature Monitor L200 TC Only the appropriate miniature flat pin colour coded and polarised thermocouple plug can be used for each input Any type of thermocouple eg K N T etc can be connected to any input but each must be terminated in the correct type of plug colour coded to suit the attached thermocouple type The particular thermocouple type must be selected for each channel via the PC software Any unused input channels are simply ignored in such cases the appropriate channel display will indicate an upscale high value reading on both the instrument
12. dout value of the chosen channel If the calibration of the instrument is correct the readout will indicate 100 000 Ohms the least significant digit is Im Ohm and can be ignored Active input filtering is applied at a level determined by the software time must be allowed for the reading to settle up to 5 minutes This is important during calibration procedures Repeat a and c above as required for other channels Repeat a to d above using the 350 00 Ohm precision resistor L200 Temperature Monitor 4 Re calibration of Pt 00 version L200 PT To be conducted only by authorised and trained personnel using the appropriate equipment Unauthorised re calibration may invalidate the instrument warranty and would invalidate any applicable calibration certificate The PC Software must be running and the USB lead connected between the L200 and the PC with communications established on line indicator in the control panel flashing green Note The next step will clear the resident calibration data this is a good time to check that everything is in place for re calibration Click on calibrate in the lower left hand area of the window The following calibrate window appears L200 Control Panel L200R1 0 20100303 Comms interval 2 Online Chi 95 66 62 0523 j FE Logging Reset Min M an Displa Start Stop i Temperature About Configure 7 logging ae Exit Calibration
13. front panel and in the PC control panel L200 PT Pt 00 inputs L200 Temperature Monitor CE 2 3 2 5 6 8 CEA CHA CBA CBA CBA CBA CBA L200 PT The L200 uses a 3 wire configuration for each input and connections are made to plug in terminal blocks If a 4 wire probe is used the 4th wire either red or white is left unconnected and if necessary insulated to avoid any cross connection contact Ifa 2 wire connection is used connect the red and white wires as shown in the diagram and link terminals C amp B Sensor connections can be made with the terminal block in situ CBA plugged in to the rear panel or the block can be unplugged a from the instrument if preferred Any unused inputs are simply ignored in such cases the appropriate channel display will indicate an upscale high value Red gt iis 5 Red reading on both the instrument front panel and in the PC control panel L200 Temperature Monitor 3 Operation The L200 can be used with or without a PC as required For the optimum accuracy especially in the case of the thermocouple version L200 TC the instrument should be allowed due time to settle in the ambient temperature of its location before use This is important if it is moved between locations of greatly different ambient temperatures a Stand alone without PC With power and sensor s connected the instrument can be simply used as a convenient accurate single or m
14. l conversion cycle for example routine re calibration is basically unnecessary However a calibration checking facility is incorporated in the L200 TC and this allows the user to easily and conveniently ascertain if re calibration is necessary This feature will also provide validation of calibration without the need to submit the instrument to a certified laboratory an expensive and time consuming procedure All that is required in terms of additional equipment for this purpose is a calibrated DVM digital voltmeter Caution Re calibration of the L200 TC requires highly accurate calibration equipment normal thermocouple instrument calibrators are not sufficiently accurate for this purpose Please contact our Technical Sales Department for guidance on re calibration It is important to allow due time for all items to stabilise at the ambient temperature before proceeding this is especially important if any items have been moved from a location with a different ambient temperature The L200 PT simply requires the use of 2 precision resistors to achieve the same level of calibration accuracy However these resistors are of exceptionally close tolerance please contact our Technical Slaes Department for guidance Quick calibration check thermocouple version L200 TC PC software must be running and the USB lead connected between L200 and PC with communications established online indicator in the the control panel flashing green
15. l panel L200 Temperature Monitor Sensor selection To find out which type of thermocouple is selected for each channel with the L200 TC simply double click on the channel readout the selection can be simply changed by clicking on the arrow in the T C type box and clicking on the desired type and then send Note The calibration box in the window may show mx c with pre determined values for m amp c which are offset correction values allocated during production These must not be altered and can be ignored L200 Control Panel 200R1 0 20100303 j Calibration 71 YM Refresh m 0 0000 0 0000 L200 TC 0 0000 95 64 888 88 62 0523 PC Loggin Reset Min Mas Display Chat Calibrate Stat Stop Temperature Configure logging L200 PT Sensor selection is not applicable to the L200 PT which is configured for 100 3 wire on all inputs L200 Temperature Monitor System configuration Click on configure logging in the lower left hand corner of the window the following system configuration window is opened l System configuration r Gieneral settings Date 21 02 10 Time 20 01 20 Auto Scan Interval 2 r Temperature irr eot Comms Port Close use PC Time Refresh Send r Autoscan C Off On Audible button C Off On
16. lished via the USB lead supplied online green indicator flashing System requirements for installing the L200 software Windows XP with at least one USB port All WINDOWS operating systems prior to XP do not support USB natively and are not recommended Create a folder for the software logged data will be saved to this folder Connect the USB cable supplied between a PC USB port and the L200 USB port before running the PC software L200 Temperature Monitor Control panel In the L200 software window double click on the L200 Control Panel icon The following window is opened 1200 Control Panel L200R1 0 20100303 Comms interval gt Online Chart Calibrate Configure logging 1200 Comms interval Online 11 03 10 11 26 28 Eh1 EB2 jE m PC Loggin Reset Min Max i Chat Calibrate Statt Stop Temperature logging PE L200 PT The online indicator flashes green when communications between the L200 and the PC are established see System configuration on next page The PC software automatically opens the Control Panel appropriate to either the L200 TC or L200 PT as connected To reset at any time if needed click on Refresh in the System Configuration config logging window The eight channels readout will display either temperature or millivolts L200 TC or Ohms L200 PT is selected in the display box on the contro
17. nt probes are traceably calibrated UKAS traceable in house for full compliance with specified testing and validation procedures 21 L200 Temperature Monitor ca REF PROBE o USB ON A 3 UN 1 1 1 1 1 1 1 1 1 1 MULTI CHANNEL UP TO 7 PLANT DRY BLOCK INDICATOR LOGGER TEMPERATURE SENSORS CALIBRATOR 22 TEMPERATURE amp PROCESS TECHNOLOGY To receive our regular email newsletter please register your details on our website www labfacility co uk SOUTHERN UK amp EXPORT DIVISION Units 5 6 amp 7 Block K Southern Cross Industrial Estate Shripney Road Bognor Regis West Sussex PO22 9SE Export Sales tel 44 0 1243 871287 fax 44 0 1243 871281 email exportsales labfacility co uk Southern UK Sales tel 44 0 1243 871280 fax 44 0 1243 871281 email southernsales labfacility co uk NORTHERN UK DIVISION Eden Place Unit 3b Outgang Lane Dinnington Sheffield 525 3QT Northern UK Sales tel 44 0 1909 569446 fax 44 0 1909 550632 email northernsales labfacility co uk ISO 9001 Registered Certificate No 4746 Data ref 050108 OM A
18. required 1 200 Control Panel 200 8720100218 ama ena as a yh m 8 10 12 14 16 49 20 22 24 26 28 32 34 38 Logging Logging can be carried out on one of two bases c Real time PC logging is started by clicking Start in the control panel at any time and stopped by clicking Stop Readings are saved in Notepad 5 format in the same folder as that in which L200 software resides The value of the display on the main window will be logged on the PC This could be temperature millivolts or resistance depending on the display setting in the main window L200 Control Panel L200R1 0 20100303 0 0097 50 0000 Chart Calibrate Stat Stop Configure logging L200 Temperature Monitor d L200 on board logging is set up by clicking Configure logging in the control panel The following logging control window is opened L200 Control Panel L200P0 8720100218 System configuration a Close eos ia 21 02 10 20 01 33 General settings CE Time 20 01 20 Min Auto Scan Interval D r Temperature irr GCCF _ Refresh p Send r amp udible button C Off On Comms Port ENSE Max r r pr pri eed rer pra UR Logging 13 Chat Calbrate Stat sp Beset Min Man Configure 7 logging
19. ulti channel digital thermometer It can also be used on a stand alone basis even if it has been configured for logging in this case the message logging will appear on the display at power up On board logging can be started without the need for connection to a PC press the front panel key just before connecting power to the instrument and keep it pressed for a few seconds after power up until logging appears on the display Logging commences and up to 512 sets of 8 channel readings can be stored The logging interval will be whatever value was last selected via the PC software Logging will cease when the instrument is powered down or when off is selected from the PC with communications established Stored data can be downloaded to file in csv format on the PC by clicking download in the system configuration window The single front panel key can be pressed sequentially to select any required channel or when pressed for 3 seconds will initiate auto scrolling through all channels The channel number is displayed along with the temperature indication from the sensor connected to that particular input If any additional functions are required e g configuration logging set up or calibration then it is necessary to use a PC running the user software and connected via the USB interface b Use with a PC For use with a PC the software supplied with the L200 must be installed on the PC and communication estab
20. values are allocated by the software which computes any measurement offset values to ensure precise calibration These are not for user adjustment Factory calibration values can be restored if required by clicking on Restore in the calibration window L200 Temperature Monitor 3 Quick calibration check 100 version L200 PT The PC software must be running and the USB lead connected between the L200 and the PC With communications established online indicator in the Control Panel flashing green a b Connect the 100 000 Ohm precision resistor CBA between terminals A amp B on input or other input to choice Link terminals B amp C with copper wire if a third wire is not fitted to the resistor ERES Red In the main Control Panel click resistance in the display box just below ch6 readout The L200 display will show the corresponding temperature for a 100 Ohm input 0 C to the relevant channel this can be ignored during this procedure TU L200 Control Panel L200R1 0 20100303 Comms interval 2 Online R 11 03 10 11 10 05 Chi p Che En EhB Ch 0 0000 0 0000 95 64 888 88 415 195 62 0523 PEL Display 4 Reset Min Max Chart Calibrate Statt Stop eset Temperatur Configure 7 logging Lead resistance Select the desired channel for calibration by clicking the appropriate check box Observe the rea
21. version 12 Re calibration L200 TC thermocouple version 14 Calibration checking L200 PT l6 Re calibration 1200 F T per eed EE ER es 7 4 5 5 19 20 5 Suggested application probe comparison calibration 21 Temperature measurements made with the L200 are in accordance with IEC584 amp IEC751 17590 refers Information in this publication may be subject to change E amp O E L200 Temperature Monitor About the L200 L200 USB DIGITAL THERMOMETER DATA LOGGER The L200 Pt 00 and thermocouple thermometer can be used in conjunction with a PC to provide accurate versatile 8 channel temperature measurement scanning and logging of measured values It can also be used as stand alone 8 channel indicator logger and incorporates a digital display of measured temperature The integral self calibration checking facility for the thermocouple version is a rapid and convenient method for on site calibration checking and does not require any additional equipment other than a special external link Self calibration of Pt 00 ranges is equally simple and uses plug in precision resistors The L200 is designed to provide exceptional stability with high measurement resolution and represents an ideal crossover between plant practicality and
22. ystem from Labfacility this provides a rapid and simple method of sensor checking and traceable calibration the bench This comprises a thermal reference dry block calibrator UKAS certified reference thermocouple or thermometer 00 a calibrated L200 8 channel indicator logger and PC software this when used with any Windows PC represents a complete solution for on site accreditation which allows direct comparison of the probes up to seven at a time with the UKAS certified reference sensor A simple calculation of difference temperature if any between the logged values indicated by the reference and each test probe at a given stable temperature chosen by the user in the dry block calibrator gives the error value for each sensor at particular temperatures The procedure can be repeated for alternative temperatures set on the dry block as required e g 100 125 150 C The system can even be used independently of a PC if desired rather than working with logged data readings for each probe can be taken manually by means of the L200 front panel key and differences calculated by the user This is an equally valid procedure The design of the dry block ensures that all sensors located in its well will be at exactly the same temperature The necessary calculations can be performed in a spreadsheet by applying formulae to the relevant cells and the logged values imported into the worksheet On this basis the pla
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