Universal temperature head transmitter for resistance thermometers (RTD), thermocouples (TC), resistance and voltage transmitters, adjustable via HART® -protocol, for installation in a connection head or on DIN-Rail

·Universal settings with HART® -protocol

·Operation, visualisation and maintenance via PC

·2 wire technology, 4 to 20 mA analog output

·High accuracy in total ambient temperature range

·Fault signal on sensor break or short circuit

·Ex-Certification

·Galvanic isolation

·Max/Min process value indicator function

·Configuration during measurement using configuration kit

·Wide measurement range, according to requirement

·Analog or digital output

·Customer specific measurement range setting

Field of application

·Temperature head transmitter with HART® -protocol for converting various input signals into a standard 4 to 20 mA analog output signal

·Input:
-Resistance thermometer (RTD)
-Thermocouple (TC)
-Resistance transmitter (Ohm)
-Voltage transmitter (mV)

·HART® -protocol for front end unit or panel unit operation using the hand operating module (MS275, MS375, PDA N800, PDA S900) or PC
Primary Technical Characteristics
Programmable          Use PC or the hand operator
Measuring range        Set via PC or by the hand operator
Input type             RTD, TC, R or Millivolt signal
Convert accuracy       ≤0.1％FS
Cold junction accuracy   ±1℃(TC)
Output        4～20mA/20～4mA  Electrical isolation outpuT/HART –Protocol output
Max-load            (V -13V)/0.025A(Current output )
Limit current           ≤25mA
Response time          1s
Isolated voltage         1500V AC (input/output)
Alarm signal           Programmable
                               Underranging   linear drop to 3.8 mA
                               Overranging    linear rise to 20.5 mA
                               Sensor break or short-circuit:≤3.6mA or ≥21.0mA
Power supply          13～30V DC
Temperature drift       0.01％ FS/1℃
Long-term stability      ≤0.1℃ per year or 0.05 ％per year
Ambient              -40～+85℃