Diaphragm pressure gauge with alarm contact, stainless steel Typ: P20
NG 100, 160 and 250
version stainless steel
without liquid filling
Service intended:
These alarm contacts are intended to make or break am 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).
Fields of application:
● plant-/ mechanical engineering
● filter measurements
● water and waste water industry
Technical Details
Approvals Construction
EN 837-3 - S1
Case
Ø 100, 160 and 250 mm, stainless steel with pressure relief
Protection class
IP 54 per EN 60529 / IEC 529
Pressure connection
G1/2B, stainless steel 316Ti, optional: open flange
Pressure element
upper and lower flange, stainless steel 316Ti
Diaphragm, stainless steel 316Ti
Diaphragm, sealing ring, FPM
Movement
stainless steel
Pointer
Aluminium, black
Dial
Aluminium white,
scale and lettering black
Window
Laminated safety glass
Accuracy class
class 1,6
Temperature error, Tref 20°C
rising temperature: +0,5 % of FS/ 10 K
Falling temperature: -0,5 % 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
Short time overpressure : 5,0 x full scale value maximum 40 bar
Optional extras
see Technical Details
other products
