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Tempmaster PRO High Precision

Digital Thermometer / Logger

for Pt100 Sensors

User Manual

www.labfacility.co.uk

RoHS

compliant

Certificate No. 4746

Содержание Tempmaster PRO

Страница 1: ...Tempmaster PRO High Precision Digital Thermometer Logger for Pt100 Sensors User Manual www labfacility co uk RoHS compliant Certificate No 4746...

Страница 2: ...13 i 3 or 4 wire recognition Pt100 14 j Variable filter rate 14 4 Operation with a PC 15 a Install the software 15 b Control panel 15 c Sensor selection 16 d Settings 16 e Input channel 17 f Units and...

Страница 3: ...Individual calibrated sensors can have their appropriate calibration values programmed into the Tempmaster PRO using either the keypad or the PC software supplied The PC software also allows correcti...

Страница 4: ...erature can be corrected to zero prior to for example heat exchanger experiments Both inputs can be scanned and values logged according to parameters set up by the user in the PC software the instrume...

Страница 5: ...harge The external 90 to 260V 50 60Hz power supply allows recharging and continuous operation The output lead with its fitted connector is plugged in to the rear panel socket DC in 5V IA Pressing the...

Страница 6: ...ting 3 wire Pt100 terminations to the connector pins A good crimp must be achieved to avoid Ohmic contacts which would result in reading errors Only use good quality connectors with gold contact mater...

Страница 7: ...commence normal operation according to the selected mode prior to switch off e g if channel B PRT was in use when switched off this will be the mode when switched on OPERATION requires the selection o...

Страница 8: ...xt Next View Log Enter Write Log Next Start Log Next Next Erase Log Next Smart Probe Enter System Next Set Time Next Next About Next D A Zero Enter D A Span Next Next Enter New Null Next Next Set Brig...

Страница 9: ...nce in temperature between two sensors can be obtained by displaying channel A B Ensure that the required sensors are connected to the appropriate A and B inputs Press CHANNEL to select A B after firs...

Страница 10: ...pmaster PRO to calibrated sensors It is possible to automatically match the Tempmaster PRO to Pt100 sensors with dedicated calibration values via the PC software see p17 Such values published in assoc...

Страница 11: ...llow the prompts to view values and to specify relevant channel ie A B Both off Press ENTER to select 3e Temperature Measurement with Calibrated Sensor To use the Tempmaster PRO with its associated ca...

Страница 12: ...pplied 3f Using Tempmaster PRO to obtain a secondary Calibration There are two ways in which a non calibrated sensor can be converted into a secondary standard using a sensor matched Tempmaster PRO By...

Страница 13: ...ocouple ranges only input mV value outside calibration range below min Value or above full span value ILLEGAL A B MODE A B mode will only operate with C F or Kelvin units CAL LOST All calibration valu...

Страница 14: ...7 x 0 2mm Copper Cable 3j Variable Filter Rate In high resolution mode Pt100 inputs only the sampling rate can be varied between 4 and 64 i e the number of measurements averaged per display update The...

Страница 15: ...ndow double click on the PRO Control Panel icon The following window is opened Note When the control panel is opened subsequently the tab selected prior to closing will be applicable The on line indic...

Страница 16: ...ted sensor and clicking on the desired type Note it is essential to ensure that the sensor type selected corresponds to the actual sensor type connected to the instrument Note Click MEASURE after any...

Страница 17: ...ected via the appropriate boxes in the Control Panel 4g Coefficients and Corrections These are selected as required for each channel their values having been set or default settings via screens obtain...

Страница 18: ...file x Click PRINT to print the corrections table 4h Custom Coefficients These can be used to effectively modify the transfer characteristic of a sensor if required The default coefficients are those...

Страница 19: ...is used to control PC logging of measured values i e readings are saved to file on the PC and not on board the instrument Readings are saved in the same folder as that in which the PRO software reside...

Страница 20: ...t the readings 5 Analogue D to A re transmission output In the main menu scroll down to D A Setup and press ENTER Follow the on screen prompts to set up zero and span degrees C values Press ENTER to E...

Страница 21: ...by pressing INC DEC sequentially for the first digit Then press UNITS SENSOR to move to the next digit Re calibration of the Tempmaster PRO is unlikely to be required routinely since its design provi...

Страница 22: ...quired a The display screen now shows CALIBRATION CH A PRT 100 OHMS Connect a 250 Ohm resistance to the PRT A port The instrument now measures the precise resistance and displays the value Press ENTER...

Страница 23: ...ing rate selectable between 4 and 64 measurements averaged per reading Measurement Units C F K Measurement Modes A B or A B Custom Calibration Up to 10 calibration values can be allocated to Pt100 inp...

Страница 24: ...3 0kg approx Input Connections 2 x Pt100 via D type connectors USB Serial Isolated 9600 Baud 8 data no parity 1 stop bit Communications Remote control and measure PC Software standard Supplied as stan...

Страница 25: ...ong maximum 250 C LP H450 350mm long maximum 450 C UKAS Calibration LP UKAS UKAS calibration for instrument alone LP SYS CAL UKAS calibration of instrument and sensor together at five points LP COR CA...

Страница 26: ...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 S25 3QT Northern UK Sale...

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