ĐỒNG HỒ ĐO ÁP SUẤT WIKA 631.10

Design
Per EN 837-3
Nominal size
2” (50 mm), 2½” (63 mm)
Accuracy
± 1.6 of full scale value
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 combined pressure and vacuum ranges
Standard scales
InH
2O/mmH2O
oz/sq.in/mmH2O
oz/sq.in/InH2O
PSI
Pressure limitation
Steady:        full-scale value
Fluctuating:  full-scale value
Permissable temperature
Ambient: -4 °F... +140 °F (-20 °C... +60 °C)
Media: +212 °F (100 °C) maximum
Temperature error
Additional error when temperature changes from reference temperature of 68 °F (20 °C) ± 0.5% of span for every 18 °F (10 °K) rising or falling
Ingress protection
NEMA 2 (IP 32 per EN 60529 / IEC 529)
Process connection
Model 611.10: copper alloy
Model 631.10: Stainless steel
Lower mount (LM) or back mount (CBM)
2” back mount only
¼” NPT male (14 mm wrench flats)
Process element
Model 611.10: copper alloy
Model 631.10: Stainless steel
Sealing
NBR
Movement
Copper alloy
Zero adjustment
At the front

Dial
Aluminum, white, black lettering
Pointer
Aluminum, black
Case
Steel, black
Window
Clear plastic
Options
Other process connection
Stainless steel case
Overpressure and vacuum safety with
scale ranges < 16 InWC (40 mbar): 3X full scale value
scale ranges > 16 InWC (40 mbar): 10X full scale value