Differential pressure gauge, stainless steel Typ: DM20
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 
Explosionsschutz gemäß ATEX 2014/34/EU
Zündschutzart Ex II 2 GD c Tx BVS 12 ATEX H/B 079 DEKRA EXAM GmbH, benannte Stelle 0158
Construction
similary EN 837-1
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,
Diaphragm FPM/PA,
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
+100°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
