Precisely measure fastener load, tensile strength
A
Norbar Torque Tools product story
Edited by the Engineeringtalk editorial team
Feb 10, 2000
Norbar introduces the USM-1 electronic stress meter, designed to measure the actual clamp load produced by tightening a bolt or threaded fastener
Norbar introduces the USM-1 electronic stress meter, designed to measure the actual clamp load produced by tightening a bolt or threaded fastener.
Using the latest in ultrasonic technology, it will set the standard for applications where the clamping force must be monitored over the service life of the bolt or where the measurement of applied torque alone cannot obtain the required accuracy.
The USM-1 can precisely measure the load, tensile strength or elongation in fasteners of almost any material from 2.5 to 6000 mm in length.
The display unit is small (19.7 x 12.7 x 27.9cm) and uses digital signal processing and automated diagnostics to simplify set up and reduce the need for operator training.
It is also able to record data and transmit it via an RS232 output.
This and the calibrated analogue signal output make it a complete system for measurement, recording and control of fastener tension.
cont'd.
The unit weighs just over 3 Kgs and has a sealed membrane keypad and screen for reliable operation in all situations.
It will operate in ambient temperatures from 0 to 40°C and has automatic compensation for the temperature of the fastener.
There is also automatic verification of the fastener material calibration constants.
Low noise and automatic gain features allow signal detection and measurement in the most difficult applications.
Automatic digital signal analysis optimises the measurement process and warns of potential problems.
This key feature differentiates the Norbar USM-1 from competitive products, making lengthy set-up and operator training a thing of the past.
There are many applications where variations in friction or joint geometry mean that the traditional method of measuring the torque applied to a nut or fastener is not accurate enough.
The Norbar USM-1 is the perfect, reliable, convenient and cost effective solution.
The data logging and reporting features extend the range of applications and make it an even more powerful tool in the factory environment.
It is sure to be popular with engineers looking for an alternative to traditional torque measurement solutions.
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Contact Norbar Torque Tools
Tel +44 1295 270333
Other Norbar Torque Tools stories
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Norbar presents torque measurement data
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Norbar Torque Tools offers Trucheck Plus
The Trucheck is a torque wrench tester with an accuracy of +/- 1 per cent and a range of up to 1000Nm. -
Easy ultrasonic measurement provides load details
The USM-3 can provide a 0-10V analogue output to precisely shut off torque tools when a predetermined bolt stretch or load has been attained.
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