Pressure Transducer DMU 100 Series Hengesbach

 5Pressure Transducer DMU 100 SeriesThe pressure transducer with its tube spring measuring system is a mechanical pressure meter with a local display and an integrated piezo-resistive sensor for remote transmission of pressure values in the form of a constant analog signal at 0 or 4-20 mA. The design is such that the electrical output signal is independent of the manometer indicator. A defective manometer will therefore not affect the electrical output signal and vice versa.

The vibration-resistant mechanical construction and high-grade electronic equipment render this pressure transducer suitable for operation under difficult conditions. The oil-filled pressure transducer is a special version recommended for measurements taken at measuring points subject to high dynamic loads such as shocks. The pressure transducer can also be configured to carry out regulatory and controlling functions in process automation.
The devices can be equipped with electrical limit signal indicators for this purpose. All common diaphragm seal connections can be fitted.


  • output signal 0-20 mA, 3-wire or 4-20 mA, 2-wire
  • pressure-measuring ranges from 0-1 or -1-0 to 0-1000 bar
  • electrical output signal is independent of the manometer indication
  • options:
    • limit signal indicator
    • diaphragm seal
    • housing filling


Housingbayonet housing material No. 1.4301
 => also see the data sheets for the RSC types and their specifications (from NG 100 onwards)
Output signal* 4 - 20 mA, 2-wire, auxiliary power 10 - 40 VDC, working resistance (UB - 10 V) / 0.02 A
 * 0 - 20 mA, 3-wire, auxiliary power  8 - 28 VDC, working resistance (UB -  8 V) / 0.02 A
 * 0 - 10 mA, 3-wire, auxiliary power 13 - 28 VDC, working resistance at least 10 kOhm
Accuracy± 0.5% of the maximum scale value, including linearity and hysteresis
Long-term stability± typically 0.25% p.a.
Environmental temperature-40 to +60°C
Temperature of measuring material-10 to +80°C
Storage temperature-40 to +70°C
Temperature influencezero point<0.3%/10K
Measuring rangesEN 837-1 for all display ranges between 0 - 1 or -1 - 0 bar and 0 - 1000 bar
 (=> also see the corresponding data sheet manometer)
Pressure connectionEN 837-1, G ½ B made from stainless steel, material number 1.4571 (standard), bottom
 (not possible at rear)
Electrical connectioncable socket with zero and span potentiometers, fitted on left side or at rear
Add-on devices- limit signal indicator
 - installation with diaphragm seal
 - designed for oxygen operation, no oil or grease
 - with housing filling G

Download Data Sheet: Pressure Transducer DMU 100 Series