GHM Messtechnik GmbH – Location Martens
Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany
Phone +49-40-670 73-0 ● Fax -288
www.ghm-messtechnik.de ● [email protected]
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6.
Technical data
Wide-range power supply
Supply Voltage
: 20..125 V DC and
20..250V AC, (47..63Hz), max. 1.5W
24 V power supply
Supply voltage
: 24 V DC +/-15%, max. 1.5W
Combined data
Rated voltage
: 253V AC (acc. to EN60664-1; pollution degree 2,
overvoltage category II)
Test voltage
: 3kV AC between input / relay output / supply voltage
Working temperature
: -10..60 °C
Storage temperature
: -20..80 °C
Air humidity
: 10..90 % (no condensation)
EMC
: acc. to EN61326-1
Measurement inputs
Voltage
: 0/2..10 V, Ri approx. 20 kΩ
Current
: 0/4..20 mA, Ri approx. 60 Ω
Pt100
: Linearised, measuring current approx. 1.6 mA
Relays are deactivated if there is a sensor
break or short circuit
Thermocouple
: Linearised with reference junction compensation
(optional without internal compensation)
Resistance
: Potentiometer (3-wire), rated value 500 Ω - 20 kΩ internal
reference voltage approx. 1.5 V
Relay outputs
Switching voltage
: <250 V AC <2 A <500 VA
<125 V DC <0.2 A <25 W
< 30 V DC <2 A <60 W
Switching frequency
: max. 5 Hz
Switching hysteresis
: approx. 1%
Limit value adjustment
: Scale precision: 2 %
Analog output
: 4..20 mA, max. burden 120 Ω
(burden failure at 120 Ω max. 0,1%)
No galvanic isolation from the input signal
