MODBUS AND 4-20 mA TRANSMITTERS FOR HUMIDITY
DMM-4000/..

The DMM-4000/.. Series are two loops configurable field transmitters for specific variables with inputs adapted to each variable (DMM-4000/... where the suffix shows the version), e.g. Chemical (pH, Conductivity, etc.), Electric (V, A, RMS, etc.), Humidity (HR, HA, Enthalpy, Dew point), Pressure, Level, Flow, Pulse Counter, Vibration, Weight, etc.

Allows with low cost to take signals placed on field and to transmit them toward control systems as PC or PLC in mA and Modbus saving A/D and D/A conversion tasks. In option, they can be to communicate by Radio 868 MHz (915 MHz in USA) or by Ethernet, cable or WiFi, by means adapter modules RMT, EMT or WMT-1000 Series.

Relative Humidity, Psychrometric Humidity, Absolute Humidity, Dew point, Enthalpy

Several versions are available to measuring and to transmit these signals:
• Specific Version for RH with enclosed probe
• Specific Version for RH with separated probe
• Specific Version for Psychrometric RH by Dry-Wet bulbs
• Specific Version for Absolute Humidity, Dew Point, Enthalpy by Psychrometric calculus

Select the documents (*.pdf) by choosing the relation-key between the Type of Product and its literature:

Literature/Product Color Brochure Data Sheet Techn. Literature Application References Brief News Instruc. Sheet User Manual
Modbus and 4-20 mA Transmitters for RH by separate probe
Ref. DMM-4000/HR
           
Modbus and 4-20 mA Transmitters for RH by enclosed probe
Ref. DMM-4000/HRC
           
Modbus and 4-20 mA Transmitters for Psychro. HR by Dry-Wet bulbs
Ref. DMM-4000/THP
           
Modbus and 4-20 mA Transmitters for Moisture variables
Ref. DMM-4000/HPS
           
Modbus and 4-20 mA Transmitters for Absolute Humidity
Ref. DMM-4000/HA
           
Modbus and 4-20 mA Transmitters for Dew-Point
Ref. DMM-4000/DP
           
Modbus and 4-20 mA Transmitters for Enthalpy
Ref. DMM-4000/EP
           

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