Differential pressure gauges with diaphragm element DM10
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. These alarm contacts are intended to make or break an electrical control circuit relative to the position of the instruments pointer. The functions of the different contacts may be chosen depending on application. Points of contact actuation are adjustable over the full extension of the scale graduation. For points with high, dynamic load, fast load alternation and pressure peaks or vibration we recommend a special oil filled type (only available with round case model).
Technical Data
Construction
similarly EN 837-1
Case
Ø 100 and 160 mm, stainless steel
Protection
IP 54 per EN 60529 / IEC 529
Pressure connection
2 x G1/2B, parallel behind, brass, identified + and -
Pressure element
Diaphragm element: stainless steel 316L, NBR/PA
Pressure chambers, Alu, with exhaust
Movement
Base and cover plate, brass
Drive shaft, nickel silver
Pointer
Aluminium, black
Dial
Aluminium, white. Scale and lettering, black
Window
Instrument glass
Zero point adjustment
Adjusting screw in dial
Accuracy class
1,6 / 2,5
Temperature error Tref 20°C
Rising temperature : +0,3% FS / 10 K
Falling temperature : -0,3% 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 : 0,9 x full scale value
Overpressure safety
+ and - pressure chambers, maximum 25 bar
Static pressure rating
maximum 25 bar
