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AS7539A - 3-Wire Universal Bridge Amplifier for Load Cells The AS7539A is a universal 3-wire amplifier providing five modes of operation (current/voltage and unipolar/bipolar outputs). It has individual multi-turn potentiometers for the precise setting of Zero and Span and is also available with mid. zero output (12mA for example) for compression / tension transducers. The inputs provide EMI-/RF-suppression. Transducer wires can be easily clamped onto the board. Two additional extension boards (ASM1) are also available providing multiple transducer processing (allowing up to 4- or 8-amplifiers), along with rugged aluminium enclosures offering IP66 protection. Features Wide range power supply 12-24V 10V stabilised bridge excitation Bridge resistance 87 Ohm (or greater) Bridge sensitivity 0.3mV/V - 3mV/V Size 48mm x 41mm x 19mm height Fast calibration procedure Reverse-polarity protection Applications Load-Cell Industrial Weighing Strain-gauge Load Testing & Monitoring Overload Protection Systems April 2021 Home - Search - Suppliers - Links - New Products - Catalogues - Magazines Problem Page - Applications - How they work - Tech Tips - Training - Events