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Summary of Contents for Extech Instruments 42311
- Page 1 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.
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Page 2: Safety Precautions
WARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. - Page 3 Meter Front Panel Description Display C/F Selector Key Low/High Resolution Key Max Hold Key Hold/Backlight Key Function Switch Course Adjustment Knob Fine Adjustment Knob Features Selecting the Temperature Scale Readings can be displayed in Celsius or Fahrenheit by pressing the ºC/ºF key. The ºC or ºF annunciator will illuminate on the display depending on which scale you have selected.
- Page 4 Extech recommends that calibration be performed on an annual basis to ensure calibration integrity. Tech Support Hotlines 781-890-7440 ext. 200 extech@extech.com www.extech.com Copyright © 2000 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form. V1.5 1/03...
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