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User’s Guide 
 
Digital Thermocouple 
Calibrator & Thermometer

 

 
 
 
 
 
Models: 
 

42311 Type J 

 

42312 Type K 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Introduction 

Congratulations on your purchase of Extech model 42311 or 42312 Digital Thermometer and 
Calibrator. Properly used, this meter will provide many years of reliable service. 

Содержание 42311

Страница 1: ...Calibrator Thermometer Models 42311 Type J 42312 Type K Introduction Congratulations on your purchase of Extech model 42311 or 42312 Digital Thermometer and Calibrator Properly used this meter will provide many years of reliable service ...

Страница 2: ...nt of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Safety Precautions 1 Make sure any covers or battery doors are properly closed and secured 2 Remove the battery from the meter if the meter is to be stored for long periods 3 Touching the thermocouple to a device which is powered electrically can cause damage to the met...

Страница 3: ...ax hold Backlit display Press the Hold key for 2 seconds to toggle the Backlight ON and OFF The backlight will stay on until you press the Hold key for 2 seconds again or turn the meter off Data Hold The hold function freezes the displayed reading for later viewing Press the HOLD key momentarily to activate the Data Hold feature Press again to exit the Hold mode Operation WARNING To avoid electric...

Страница 4: ...g to the temperature display which can be routed to a panel meter recorder datalogger controller another calibrator etc 3 Adjust the Coarse knob to dial in even closer to the desired output temperature 4 Finally adjust the Fine knob for the exact temperature output Maintenance Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent do not use abrasives or solvents If t...

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