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Sensor I® Expert User Manual
INTRODUCTION
The SENSOR 1
®
EXPERT WRENCH is a hand-operated portable tightening
system with a battery-powered microprocessor control system. In addition
to standard torque and angle control tightening capabilities, it provides a
Yield Control mode of tightening and Dynamic Torque Auditing. It is suitable
for laboratory, production, quality control, maintenance and field service.
The control system is powered by a rechargeable NiMH battery located
inside the wrench handle (model 125, 250 & 400) or in the lower portion of
the control unit (model 40). The wrench has a toggle lever used to select
the ratchet direction. Angle reference is either measured internally by the EZ
angle or via an attachable spring arm with a magnet (EA-models).
Attachable spring arms can be fitted with options such as suction cups or
alligator clips.
The digital display shows a digital readout of either dynamic torque peak
torque, or angle. Audible signals and displays indicate the completion of
tightening for Dynamic Torque Audit, Torque Control, Yield Control (elastic
limit of bolt), or Angle Control procedures.