Description
Design
EN 837-3
Nominal size in mm
50, 63
Accuracy class
1.6
Scale ranges
NS 50:  0 ... 60 mbar to 0 ... 600 mbar
NS 63:  0 ... 25 mbar to 0 ... 600 mbar
or all other equivalent vacuum or combined pressure and
vacuum ranges

Pressure limitation
Steady:  full scale value
Fluctuating:  0.9 x full scale value
Operating temperature
Ambient:  -20 ... +60 °C
Medium:  +100 °C maximum
Temperature effect
When the temperature of the measuring system deviates
from the reference temperature （+20 °C）:
max. ±0.6 %/10 K of full scale value
Ingress protection
IP 32 per EN 60 529 / lEC 529

Standard version
Process connection
Model 611.10:  Cu-alloy
Model 631.10:  stainless steel
lower mount （LM） or back mount （BM）
（NS 50: only back mount （BM）
G ¼ B （male）, 14 mm flats
Pressure element
Model 611.10:  Cu-alloy
Model 631.10:  stainless steel
Sealing
NBR
Movement
Cu-alloy
Zero adjustment
In front
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black

Case
Steel, black
Window
Clear plastic, domed, snap-fit in case