Universal DIN Rail-Mount Amplifier/Signal Conditioner

Model UDA

Performance Specifications

Model UDA is a universal signal conditioner and amplifier designed for use with all full bridge, strain gage-based transducers. Model UDA turns the analog signal into a user-selectable output of ±5Vdc, ±10Vdc, or 4-20mA. This versatile unit features selectable excitation of 2.5 or 5.0Vdc bridge voltage and has a wide DC power input range from 11 to 28Vdc to adapt to a variety of installations. Model UDA includes a wide zero and span adjustment range and a symmetry adjustment for applications requiring precision in both tension and compression. The configurable low pass filter actively removes unwanted high frequency signal components. The unit is housed in a rugged DIN Rail-mountable enclosure with screw terminals to provide connection for power, analog output, shunt calibration, and sensor signals.

RANGE - Adjustable

0.5 mV/V to 10.0 mV/V nom. F.S.


Conventional 4-arm strain gage bridges, 120 to 10k Ohm

EXCITATION - Selectable

2.5 or 5.0, up to 70mA


11-28 Vdc regulated, 2 watts max.

ANALOG OUPTUT - Selectable

4-12-20 mA
4-20mA (20%over-range,voltageonly)


14°to+158°F (-10°to+70°C)
5 to 95% relative humidity, non-condensing


Limited by calibration accuracy