Related Manuals for Extech Instruments 421502
Summary of Contents for Extech Instruments 421502
- Page 1 User Manual Dual Input Type J/K Digital Thermometer Model 421502 Additional User Manual Translations available at www.extech.com...
- Page 2 Introduction Thank you for selecting the Extech 421502 Digital Thermometer. The 421502 features dual thermocouple inputs, T1, T2, and T1 – T2 displays, MIN-MAX-AVG recording, selectable units of measure, high/low alarms, automatic power OFF, and data hold. This professional meter, with proper care, will provide years of safe reliable service. Visit www.extech.com...
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Page 3: Temperature Units
You can also use a thermocouple to measure the air temperature by placing the tip of the thermocouple in a room, enclosure, or other area. Use care when placing the thermocouple; do not place it in liquids or near live electrical circuitry. 421502-en-GB_V2.0 3/19... - Page 4 The clock can also be used as an elapsed timer by resetting the clock to zero. The clock allows you to see when MIN-MAX updates occur. Each time a new MIN or MAX value is updated, the associated time is stored. 421502-en-GB_V2.0 3/19...
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Page 5: Set Mode
The meter will produce a continuous tone when a high or low alarm limit is reached. Press the “HI/LO Limits” button to silence the alarm (see Alarm Operation section below for more information). 421502-en-GB_V2.0 3/19... -
Page 6: Battery Replacement
Customer Support Telephone: U.S. (866) 477-3687; International +1 (603) 324-7800 Calibration, Repair, and Returns email: repair@extech.com Technical Support: https://support.flir.com Copyright © 2019 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com 421502-en-GB_V2.0 3/19... -
Page 7: Specifications
Operating conditions 0 to 50 C (32 to 122 F); less than 80% RH Storage conditions -20 to 60 C (-4 to 140 F); less than 70% RH Alarm beeper volume 95dB 421502-en-GB_V2.0 3/19...
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