Applications
Low Pressure Gauge for applications in a controlled environment
Ideal fro measuring pressure, vacuum in medical, environment, and laboratory applications for content and filter monitoring
For gaseous, dry and non-aggressive media
Model 631.10 also suited for aggressive media
Product Features
Front zero adjusment
Special connecion on request
Scale ranges available from 0/10 IN.WC (25 mbar)
Description
Design
EN 837-3
Nominal Sizes
2″, 2½” (63 mm)
Accuracy
+ 1.6% of FSV
Standard Ranges
2″: 0…25 INWC (60 mbar) to 0…250 INWC (600 mbar)
2½”: 0…10 INWC (25 mbar) to 0…250 INWC (600 mbar)
or all other equivalent vacuum or compound ranges
Standard Scales
In.H20/mmH20
oz/sq.in/mmH20
oz/sq.in/In.H20
PSI
Pressure limitation
Steady: Full scale value
Fluctuating: 0.9 x full scale value
Permissible temperature
Ambient:-4°F…+140°F (-20…+60°C)
Medium. + 212°F (+100°C) maximum
Temperature Error
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.6% of span for every 18°F (10°K) rising or falling.
Ingress protection
NEMA2 (IP 32 per EN 60529 / lEC 529)
Process connection
Model 611.10: Copper alloy
Model 631.10: Stainless steel
Lower mount (LM) or back mount (CBM)
(2″: Only back mount)
¼” NPT (male), 14 mm flats
Pressure element
Model 611.10: Copper alloy
Model 631.10: Stainless steel
Sealing
NBR
Movement
Copper alloy
Zero adjustment
At the front
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black
Case
Steel, black
Window
Clear plastic