Design EN 837-1

Nominal size in mm 40, 50, 63, 80, 100 and 160

Accuracy class 2.5

Scale ranges 0 ... 0.6 to 0 ... 400 bar (NS 160: max. 40 bar) or all other equivalent vacuum or combined pressure and vacuum ranges

Pressure limitation Steady: 3/4 x full scale value Fluctuating: 2/3 x full scale value Short time: Full scale value

Permissible temperature Ambient: -20 ... +60 °C

Medium: +60 °C maximum

Temperature effect When the temperature of the measuring system deviates from the reference temperature (+20 °C): max. ±0.4 %/10 K of the span

Process connection Cu-alloy, lower mount (LM) NS 40: G 1/8 B (male), 14 mm flats NS 50,63: G 1/4 B (male), 14 mm flats NS 80, 100, 160: G 1/2 B (male), 22 mm flats

Pressure element Cu-alloy ≤ 60 bar: C-type > 60 bar: Helical type

Movement Cu-alloy

Dial NS 40, 50, 63: Plastic, white, with pointer stop pin NS 80, 100, 160: Aluminium, white, with pointer stop pin Black lettering, red mark pointer with measuring ranges 0 ... 0.6 to 0 ... 60 bar

For gaseous and liquid media that are not highly viscous or crystallising and will not attack copper alloy parts

Pneumatics

Heating and air-conditioning technology

Medical engineering