Description
Design
- ASME B40.100
Sizes
- 4½” & 6” (115 & 160 mm) dial size
Accuracy class
- ± 0.5% of span (ASME B40.100 Grade 2A)
- Ranges Vacuum / Compound to 200 psi (16 bar) Pressure from 15 psi (1 bar) to 1,000 psi (60 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 +150°F (-40°C to +65°C) – dry -4°F to +150°F (-20°C to +65°C) – glycerine filled -40°F to +150°F (-40°C to +65°C) – silicone filled
- Medium: +150°F (+65°C) maximum
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 (NEMA 3 / IP54)-without membrane
- Weather tight (NEMA 4X / IP66) – dry case or filled case with membrane installed
Pressure connection
- Material: Copper alloy 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)
Bourdon tube Material:
- Copper alloy C-type
Movement
- Copper alloy Internal overload stop set at 1.1x full scale Underload stop-optional Dampened movement-optional
- Dial White aluminum with black lettering, stop pin at 6 o’clock Standard WIKA psi single scales (4½” only) with large figures at beginning & end for quick and easy range identification
- Pointer Black aluminum, adjustable
