Differential pressure gauge, stainless steel Typ: DP20/21
max. static pressure rating 25 bar
NG 100 and 160
without liquid filling
Service intended:
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.
Fields of application:
● pneumatics, hydraulics
● heating and air conditioning technology
● Filter measurements
Downloads
Technical Details Approvals 
Konformitätserklärung
Druckgeräterichtlinie 2014/68/EU
Construction
EN 837-3
Case
Ø 100 and 160 mm stainless steel
Protection class
IP 54 per EN 60529 / IEC 529
Pressure connection
2 x G1/2B, parallel behind, stainless steel 361L
identified + and -
Pressure element
Diaphragm element stainless steel 316L,
Pressure chambers, 316Ti, with exhaust
Movement
stainless steel
Pointer
aluminium, black
Dial
Aluminium white,
scale and lettering black
Window
Laminated safety glass
Accuracy class
class 1,6 / 2,5
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
-25 ... +60 °C
Medium temperature Tmax
+80°C
Working pressure
Steady : 1,0 x full scale value
Fluctuating : 0,90 x full scale value
Overpressure safety + and - pressure chambers, maximum 25 bar
Static pressure rating
maximum 25 bar
Optional extras
see Technical Details
other products
