ASSET Instruments of the UK, represented in Australia by Chase Engineering , has introduced a range of miniature signal conditioner boards for use with strain gauge bridge transducers.
The round PCBs range in size from 23mm to 26mm diameter by 13 or 14mm deep, and provide voltage or current outputs, with onboard zero and span adjustments.
Strain gauge bridges of 1000 ohms, down to 120 ohms are catered for.
The rectangular PCBs range in size from 36mm x 16.5mm x 9mm deep to 115mm x 76mm x 18mm deep, the latter providing switched zero suppression, filter time constant, and range expansion.
Other products include a strain gauge simulator, potentiometer position display, dual trip/display amplifier and a 4-channel conditioner display unit, which was developed for racing car axle load setting.