Bourdon tube pressure gauge, stainless steel Typ: R21
Accuracy class 1,0 and 1,6
NG 60, 100, 160 and 250
with liquid filling
Service intended: Suitable for all gaseous and liquid media that will not obstruct the pressure system.
Fields of application:
● plant-/ mechanical engineering
● chemical industry
● heating and air conditioning technology
Technical Details
Approvals
ATEX 2014/34/EU
Ex II 2G Ex h IIC T6...T1 Gb X / Ex II 2D Ex h IIIC T6...T1 Db X / DEKRA EXAM GmbH
Construction
EN 837-1 - Code S1
Case
Ø 60, 100, 160 and 250 mm stainless steel with glycerin-filling, pressure relief and internal pressure compensation
Protection class
IP 65 per EN 60529 / IEC 529
Pressure connection
Ø 60 mm : G1/4B, 316L
Ø 100, 160 and 250 mm : G1/2B, 316L
Pressure element
stainless steel 316L
Movement
stainless steel
Pointer
Aluminium, black
Dial
Aluminium white,
scale and lettering black
Window
Laminated safety glass
Accuracy class
Ø 60 mm : 1,6
Ø 100, 160 and 250 mm : 1,0
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
Short time : 1,3 x full scale valuet
Optional extras
see Technical Details
other products
