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User's Manual
Heavy Duty Digital Torque Meter
Model 407820
Kg cm
2
POWER
HOLD
SENSOR
RECORD/RECALL
UNIT
ZERO
FAST/SLOW
PEAK
RESOLUTION
Torque
Meter
407820
Introduction
Congratulations on your purchase of the Extech Heavy Duty Torque Meter,
Model 407820. This professional device measures torque in three ranges with
1.5% basic accuracy. Advanced functions include Peak and Data Hold, Record
Mode, and RS-232 PC Interface. Careful use of this meter will provide years of
reliable service.
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Table of Contents
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Summary of Contents for Extech Instruments 407820
- Page 1 Introduction Congratulations on your purchase of the Extech Heavy Duty Torque Meter, Model 407820. This professional device measures torque in three ranges with 1.5% basic accuracy. Advanced functions include Peak and Data Hold, Record Mode, and RS-232 PC Interface. Careful use of this meter will provide years of...
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Page 2: Specifications
N-cm 147.1 N-cm 0.1 N-cm 1 N-cm WARNING: DO NOT exceed the meter’s specified torque limit (refer to Range Specification for range limits). Exceeding the torque limit can permanently disable the sensor load cell. Model 407820 Version 3.0 August 2005... -
Page 3: Meter Description
Rubber Protective Holster Battery compartment on rear (rubber protective jacket must be removed from meter to access the rear battery compartment) Chuck Kg cm POWER HOLD SENSOR RECORD/RECALL UNIT ZERO PEAK RESOLUTION FAST/SLOW Torque Meter 407820 Model 407820 Version 3.0 August 2005... -
Page 4: Meter Operation
4. Apply force to the device under test and view the Torque reading on the meter's LCD. WARNING: DO NOT exceed the meter’s specified torque limit (refer to Range Specification for range limits). Exceeding the torque limit can permanently disable the sensor load cell. Model 407820 Version 3.0 August 2005... - Page 5 A Data Acquisition Software package that includes Windows software and a meter-to-PC interface cable can be obtained from Extech or an authorized distributor. The Part Number for the kit is 407001. Instructions for use are supplied with the kit. Model 407820 Version 3.0 August 2005...
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Page 6: Warranty
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 to 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.
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