ĐỒNG HỒ ĐO ÁP SUẤT WIKA 232.34

Design: ASME B40.100
Sizes: 4 1/2" & 6" (115 & 160 mm) dial size
Accuracy class:
      0.5% of span (ASME B40.100 Grade 2A)
      1.0% of span (ASME B40.100 Grade 1A)
      for 20,000 psi (1,600 bar) range and above
Ranges:
      Vacuum / Compound to 400 psi (25 bar)
      Pressure from 15 psi (1 bar) to 30,000 psi (2,000 bar)
      or other equivalent units of pressure or vacuum
Working pressure:

      Steady: full scale value

      Fluctuating: 0.9 x full scale value

      Short time: 1.5 x full scale value

Operating temperature:
Ambient:

      -40°F to +140°F (-40°C to +60°C) - dry
      -4°F to +140°F (-20°C to +60°C) - glycerine flled
      -40°F to +140°F (-40°C to +60°C) - silicone flled
Medium: max. +212°F (+100°C)
Temperature error: Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% of span for every 18°F (10°K) rising or falling.
Weather protection:
      Weather resistant (IP54) - without membrane
      Weather tight (IP65) - dry case or flled case with membrane installed (standard for low mount versions)
Pressure connection Material: 316L stainless steel
      Lower mount (LM) or lower back mount (LBM)
      1/4” or 1/2” NPT with M4 internal tap
Restrictor: Material: Stainless steel (0.6 mm), standard
Bourdon tube Material: 316L stainless steel
      1,000 psi (69 bar): C-shape
      1,500 psi (100 bar): Helical
Movement: Stainless steel
      Internal overload stop set at 1.1x full scale
      Underload stop-standard
      Dampened movement-optional
Dial:
      White aluminum with black lettering, stop pin at 6 o’clock
      Standard WIKA psi single scales (4½” only) with large fgures at beginning and end for quick and easy identifcation.
Pointer: Black aluminum, adjustable
Case:
      Black fberglass-reinforced thermoplastic (POCAN)
      Solid front, blowout back
      Turret-style case with built in rear flange lugs

Window: Clear acrylic with Buna-N gasket
Case flling Type 233.34:
      Glycerine 99.7% and > 40 psi (2.5 bar)
      Glycerine/Water - <= 40 psi (2.5 bar)
Optional extras:
* Silicone dampened movement
* Panel mounting adaptor kit (feld assembled)
* Silicone case flling
* Halocarbon case flling
* Cleaned for oxygen service
* Instrument glass or safety glass window
* Drag pointer (maximum reading indicator)
* Alarm contacts switches (magnetic or inductive)
* Special process connections
* Custom dial layout
* External zero adjustment (4.5” size only)
* Case and ring in red or yellow thermoplastic (4½” LM only)
* Insightreflective dial options available in white, fluorescent yellow, fluorescent orange or glow-in-the-dark