User's Manual
Heavy Duty Digital Torque Meter
Model 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.
407820
FAST/SLOW
POWER
RECORD/RECALL
PEAK
RESOLUTION
HOLD
UNIT
SENSOR
ZERO
Torque
Meter
Kg cm
2
