Design

EN 837-1

Nominal size in mm

40, 80, 100

Accuracy class

2.5

Scale ranges

NS 40: 0 … 1 to 0 … 400 bar

NS 80, 100: 0 … 1 to 0 … 600 bar or all other equivalent vacuum or combinedPressure 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
Ingress protection
IP 65 per EN 60529 / lEC 60529

Standard version
Process connection

Copper alloy,

lower mount (LM) or centre back mount (CBM),

NS 40: G ⅛ B (male), 14 mm flats

NS 80: G ½ B (male), 22 mm flats

NS 100: G ½ B (male), 22 mm flats

Pressure element
Copper alloy, C-type or helical type
Movement
Copper alloy
Dial
Aluminium, white, black lettering, with pointer stop pin
Pointer
Plastic, black
Window
Plastic, crystal-clear
Case
Natural finish stainless steel, with blow-out device at case
circumference, 12 o‘clock.
Scale ranges ≤ 0 … 16 bar with compensating valve to vent
case
Bezel ring
Crimp ring, glossy finish stainless steel, triangular bezel
Filling liquid
Glycerine

Options
Other process connection
NS 80, 100: Panel mounting flange, stainless steel, for back mount connection
NS 80, 100: Surface mounting flange, stainless steel
Mounting bracket
Ambient temperature resistant -40 … +60 °C with silicone oil filling
NS 80, 100: Accuracy class 1.6