Differential pressure gauge, stainless steel Typ: DR20

Accuracy class 1,6
NG 100 and 160
without liquid filling

Service intended:
Measurement of pressure differential of 2 pressuresapplied. Suitable for gaseous and liquid, non-crystallizing media that will not obstruct the pressure system. Scale range  must be selected in consideration of the highest static pressure applied. When ordering please state both, the static pressure applied and the pressure differential.

Fields of application:
● pneumatics, hydraulics
● heating and air conditioning technology
● Filter measurements


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similary EN 837-1
Ø 100 and 160 mm stainless steel with pressure relief
Protection class
IP 33 per EN 60529 / IEC 529
Pressure connection
2 x G1/2B, parallel behind, stainless steel 361L identified + and -
Pressure element
stainless steel 361L
Base and cover plate, brass Dive Shaft, nickel silver
1 x standard pointer, aluminium, black 1 x rotating pointerscale, aluminium, white red pointer, scale with +/- 50% of indicating range of + and - differential pressure scale
Aluminium white, scale and lettering black
Laminated safety glass
Accuracy class
class 1,6
Temperature error, Tref 20°C
rising temperature: +0,3 % of FS/ 10 K Falling temperature: -0,3 % of FS/ 10 K
Ambient temperature Tmin / Tmax
-20 ... +60 °C
Medium temperature Tmax
Working pressure
Steady : 1,0 x full scale value Fluctuating : 0,90 x full scale value Short time overpressure : 1,3 x full scale value
Optional extras
see Technical Details
  • product data

  • customer data

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