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DPM 400

DPM 400

Dew Point Monitor

For stationary dew point monitoring of refrigeration or adsorption dryers. The touch screen graphic display enables an intuitive operation and shows the progress of the measured values. 2 alarm relays are available for monitoring of threshold values. Available either with a classic analogue output 4...20 mA or optionally with digital interfaces like Ethernet and RS 485 (Modbus protocol).

As a stand-alone solution the measured data stored in the optional data logger can be read-out via USB stick and evaluated by means of the software CS Basic.

Key Features

  • Plug & play unit, wall mounted enclosure
  • Latest high precision sensor technology FA510 with integrated with dew point measuring chamber
  • Direct measure pressure dew point or atmospheric dew point
  • Multiple dew point measuring unit is selectable e.g. oCtd, %RH, ppm, g/m3 and etc
  • Integrated with 3.5" touch screen graphic display and metal enclosure
  • Integrated with tower light
  • 2 alarm contacts and alarm values freely adjustable
  • 4...20 mA analogue output
  • Option: Ethernet and RS 485 interface (Modbus protocol)
  • Option: Data logger
  • Option: Integrated with dew point control valve

Application

  • Dew point monitoring, logging and controlling in compressed air systems after adsorption dryers, membrane dryers or refrigeration dryer
  • Residual moisture measurement and dew point measurement in gases such as: oxygen, nitrogen, argon, hydrogen, natural gas, biogas...

Option: integrated with Dew Point Control Valve

Flange connection size 1” to 4”

Technical Data

Measuring range--80...+20 °Ctd or -20...+50 °Ctd
Option: -60…+30 °Ctd
Sensor input2 digital sensor inputs
Display3.5" TFT touch screen graphic display
Operation pressure-1...16 bar
Optional: High pressure version available upon request
Operating temperature-20…50 oC
Output signal4…20 mA
Option: RS485 (Modbus-RTU)
Sampling air inlet6 mm soft tubing
Optional: 6mm bulkhead hard tubing
Power supply110 - 230 VAC, 50 / 60 Hz
Alarm relay2 alarm relay output, change over contact, 250 VAC, max 3A
Alarm thresholds Freely adjustable
Hysteresis2 oCtd
Dimension of DS400 housing302 (L) x 209 (D) x 400 (H) mm

Dimension