Snap-On 5000-3 - Manual (Page 20)

FUNCTIONAL DESCRIPTION AND SPECIFICATIONS CHAPTER 2
SURETEST Transducers
SURETEST transducers provide industry standard square drives. They feature a full
bridge strain-gauge @ 350 Ohms nominal. Full range output is 1500 uE, 9mV
(3mV/V @ 3.0V excitation).
Torque transducers use a built-in EEPROM memory chip that stores range identification
and calibration factors. Calibration of transducers is accomplished using precision torque
bars and certified weights. For additional information, refer to Chapter 5—Calibration.
After a transducer is calibrated, it provides ±0.5% system accuracy with any SURETEST
System. If the transducer and SURETEST are calibrated together, the system accuracy
increases to ±0.25%.
Transducer Dimensions/Transducer Torque Range
(Refer to table on page 2-13).
Display Resolution for Transducers
Calibration also results in a specified display resolution on the SURETEST. Display
resolution is dependent on the type of transducer being used. Display resolutions for the
specified transducer are shown on page 2-14.
SURETEST torque transducers can withstand an overload of 110% of full range. The
SURETEST alarms, (audible beep and display “OVER” ) at 110% of rated capacity.
To protect the tool under test or to serve as a fastener installation torque preset alert, the
SURETEST produces a constant audible tone when the input torque exceeds the SET
LOW limit. It then produces a pulsating tone when the input torque exceeds the SET
HIGH limit.
The SURETEST Base Unit ignores inputs less than 0.1% of full range in TRACK mode,
1% in PEAK HOLD mode, 7% in FIRST PEAK and POWER TOOL modes.
With the 4-in-1 transducers, the SURETEST System ignores inputs less than 1% of full
range after scan select.
2-11