ĐỒNG HỒ ĐO ÁP SUẤT WIKA 212.40PM

Design
ASME B40.100 & EN 837-1
Nominal size
3½” (80 mm)
Accuracy class
± 2/1/2% of span (ASME B40.100 Grade A)
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 15,000 psi (1000 bar) or other equivalent units of pressure or vacuum
Working pressure

Steady:         3/4 full-scale value

Fluctuating:   2/3 full-scale value

Short time:    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 filled
Medium: max. +140°F (+60°C) 1,000 psi
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 4 / IP 66)
Pressure connection
Material: copper alloy
¼” NPT lower back mount (LBM)
Bourdon tube
Material: copper alloy
1,000 psi (70 bar): C-shape copper alloy
1,000 psi (70 bar): helical stainless steel
Movement
Copper alloy
Dial
White aluminum with black lettering
Pointer
Black aluminum

Case
Forged brass with integral connection and blowout plug with polished stainless steel front flange. Suitable for liquid filling
Window
Acrylic with Buna-N gasket
Case fill
Glycerine 99.7% - Type 213.40PM
Optional extras
Brass restrictor
Flat glass or safety glass window
Silicone or Halocarbon oil case filling
Special connections limited to wrench flat area
Custom dial layout
Other pressure scales available bar, kPa, MPa, kg/cm² and dual scales