波登管压力表,安全型,ISO5171标准焊接式
Bourdon tube pressure gauge
Safety version
Model 111.31, welding gauge to ISO 5171
Special features
■■ Safety pressure gauge with solid baffle wall designed
in compliance with operational safety requirements of
EN 837-1 (S3)
■■ Reliable and cost-effective
■■ Nominal size 50
■■ Scale ranges up to 0 … 400 bar
Description
Design
ISO 5171
Nominal size in mm
50
uracy class
2.5
Scale ranges
0 ... 2.5 to 0 ... 400 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