Din rail mount process transmitter The Calog DPM9000 is a miniature space saving 92 x 92 x 26 mm DIN rail mount Universal Programmable Transmitters

Configuration and field calibration is done via a notebook computer or desktop PC using user-friendly software available from our website.
This transmitter offers complete 3-way isolation between power supply, input and output. The inputs are programmable to accept thermocouples of type J, K, N, R, S, T & W5, RTD’s of type Pt100 or Ni100, mV inputs up to 52mV, 0-20mA / 4-20mA inputs, volt inputs up to 10V, potentiometer inputs, and frequency inputs from NPN / PNP proximity switches. Integral 2-wire transmitter power is supplied as standard with the unit, as well as a precision reference for potentiometer inputs. The analogue output is programmable for 0-20mA / 4-20mA or 0-10V output. The power supply is 95-265V ac/dc as standard. The RS-232 serial interface is standard.
The serial interface allows connections to remote computers and SCADA systems using DPM’s DIGIbus protocol. The RS-485 option allows up to 99 transmitters to be linked on the same bus. The unit can also accept an ASCII based serial input signal for conversion to an analogue output signal. The lineariser feature is standard and the user can select s-curve, sphere, square-root extraction or off (no linearisation)

  • Fully programmable via a notebook or desktop PC
  • Low cost - high performance design
  • Complete 3-way isolation between power, input and output
  • RS-232 serial interface standard with DIGIbus protocol


Housing 92 x 92 x 26 mm
Housing Din Rail Mounted
Housing UL 94 V-0 flame retardant plastic
IP Rating IP40
Standards Meets European EMC directive 89/336/EEC & Low Voltage directive 73/23/EEC


A/D conversion rate Approximately 7 per second
A/D Type & resolution 16 bit dual slope, 40 000 internal counts
Analogue & freq input accuracy 0.05% of full scale, ± 1 display count
Analogue inputs mV, 0-20mA, 4-20mA, 0-10V, and potentiometer input
analogue output 0-10V, 0-20mA or 4-20mA with programmable zero & span
Frequency inputs NPN or PNP sensors
Memory retention Full non-volatile operation
Power-up / self test time 1 - 3 seconds
RS-232 isolation to input No
RTD input accuracy 0.3°C, ± 1 display count
Settling time (frequency input) 5 msec (no averaging)
Settling time (process inputs) 0.5 seconds
Settling time (temperature inputs) 1 second
Temperature coefficient 20ppm / °C typically
Temperature inputs Type J, K, N, R, S, T, W5, Pt100, Ni100
Thermocouple input accuracy 0.5°C, ± 1 display count (note 1 above)
Warm up time 15 minutes typically

Included Accessories: Datasheet, mounting clips

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