ĐỒNG HỒ ĐO ÁP SUẤT WIKA 631.10

Design: Per EN 837-3
Nominal size: 2” (50 mm), 2 1/2” (63 mm)
Accuracy: ± 1.6 of full scale value
Standard ranges:
      2”: 0...25 InWC (60 mbar) to 0...250 InWC (600 mbar)
      2 1/2”: 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
      1/4” 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