Differential pressure gauge R21 series

dialstainless steelBourdon tube

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 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 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 Working pressure: Steady : 1,0 x full scale value Fluctuating : 0,90 x full scale value Short time : 1,3 x full scale valuet