Martens UT125 - Universal Transmitter

Wide-range power supply
Supply voltage : 20..125 VDC and
20..250 VAC (47..63 Hz), max. 1.5 W
24V power supply
Supply voltage : 24 V DC +/-15 %, max. 1.5 W
Combined data
Rated voltage : 253 V AC
Test voltage : 3 kV AC between
power supply // input = output
Working temperature : -10..60 ℃
Storage temperature : -20..80 °C
Air humidity : 10..90% (no condensation)
Measurement inputs
Voltage : 0/2..10 V, Ri approx. 20 kΩ
Current : 0/4..20 mA, Ri approx. 60 kΩ
Pt100 linearised,
measurement current 1.6 mA
Recognition of sensor break or
short circuit: Actual value drops to
approx. 0mA
Thermocouple : linearised
with comparison point compensation
Resistance : Potentiometer (3-wire)
Rated value 500 Ω..20 kΩ
Intern. reference voltage approx. 1.5 V
Analog output : 4..20 mA, max. burden 400 Ω,
No galvanic isolation from the
input signal