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Summary of Contents for Martel 303
- Page 1 TYPE K J THERMOMETER HOLD T1 T2 T1 T2 TYPE K 200 C 1370 C 2498 TYPE J 1400 MARTEL ELECTRONICS...
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Page 2: Table Of Contents
C O N T E N T S TITLE PAGE Introduction ............1 Specifications ..........1 III. Symbol Definition and Button Location IV. Operating Instructions ........5 4.1 Power-Up............5 4.2 Connecting the Thermocouples....5 4.3 Selecting the Temperature Scale....5 4.4 Selecting the Thermocouple Type ....5 4.5 Data-Hold Operation........5 4.6 T1, T2, T1-T2 Display Control ......5 4.7 Relative Operation for Main Display .....6... -
Page 3: Introduction
MARTEL 303 I. Introduction: This instrument is a digital thermometer for use with any K-type and J-type thermocouple as temperature sensor. Temperature indication follows National Bureau of Standards and IEC584 temperature/voltage table for K-type and J-type thermocouples. II. Specifications: Numerical Display:... - Page 4 MARTEL 303 Accuracy: at ( 23 ± 5°C ) Range Accuracy K-Type -200°C ~ 1370°C ±(0.1% reading + 0.7°C) J-Type -200°C ~ 760°C ±(0.1% reading + 0.7°C) K-Type -328°F ~ 2498°F ±(0.1% reading + 1.4°F) J-Type -328°F ~ 1400°F ±(0.1% reading + 1.4°F) For T1-T2 Measurement, the accuracy is ±( 0.2% T1-T2 reading + 1.7°C) or...
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Page 5: Symbol Definition And Button Location
MARTEL 303 Battery Life: Approx. 100hrs with alkaline battery AC Adapter: ±15% 100mA III. Symbol Definition and Button Location: Main Display Second Display :This indicates that the minus temperature is sensed. °C °F :Centigrade and Fahrenheit indication. :Thermocouple Type Indication HOLD :This indicates that the display data is being held. - Page 6 MARTEL 303 T1 K J type temperature sensor connector ○ T2 K J type temperature sensor connector ○ LCD display ○ ON/OFF button ○ HOLD button ○ T1,T2,T1-T2 control button ○ Relative readout button ○ MAX MIN Average control button ○...
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Page 7: Operating Instructions
MARTEL 303 IV. Operation Instructions: 4.1 Power-Up Press the ○ key to turn the thermometer ON or OFF. 4.2 Connecting the Thermocouples Plug the thermocouple into the input connectors. 4.3 Selecting the Temperature Scale When the meter is first powered on, the default scale is set at Celsius (°C). -
Page 8: Relative Operation For Main Display
MARTEL 303 memorize present reading and will then display the difference between the new reading and the memorized data. Press the “△REL” button again to exit the Relative operation. 4.8 MAX/MIN/AVG Operation for Main Display: When the button is pressed, the meter will enter the MAX/MIN mode. -
Page 9: Auto Power Off
MARTEL 303 RS232 communication. To disable the auto power off feature, press the “ ” button while turning on the HOLD meter. Two successive beeps indicates the auto power off feature is disabled. 4.10 Low Battery Condition When the battery voltage falls below that required for... - Page 10 MARTEL 303 •Command T: Equivalent to pushing the HOLD button. •Command M: Equivalent to pushing the HOLD and AVG/MAX/ MIN buttons and no message is returned. •Command R: Equivalent to pushing the REL button and no message is returned. •Command C: Equivalent to pushing the ℃...
- Page 11 MARTEL 303 BYTE: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 point minus point minus bit0:1 main window value is OL 0 not OL bit1:1 main window value is minus, 0 main window value is plus. bit2:1 4 byte and 5...
- Page 12 MARTEL ELECTRONICS PO Box 770, Londonderry, NH 03053 USA Tel: 800-821-0023 E-Mail: sales@martelcorp.com Web: http : / / www.martelcorp.com 303-0107...
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