ĐỒNG HỒ ĐO ÁP SUẤT WIKA 332.54

Design
ASME B40.100
Size
4" (100mm)
Accuracy class
+ 0.25% of span (ASME B40.100 Grade 3A) for pressure range < 600 psi (40 bar)
+ 0.5% of span (ASME B40.100 Grade 2A) for pressure range > 600 psi (40 bar) and < 2,000 psi (160 bar)
+ 0.25% of span (ASME B40.100 Grade 3A) for pressure range > 2,000 psi (160 bar)
Ranges (All ranges not stocked)
Vacuum / compound up to 200 psi (16 bar)
Pressure from 15 psi to 20,000 psi (all ranges not available in 0.25% accuracy) or other equivalent units of pressure or vacuum
Bourdon Tube
Material: 316 SS
< 1000 psi (70 bar): C-shape
> 1000 psi (70 bar): Helical
Movement
Stainless steel
Dial
White aluminum with black lettering and mirrored band
Pointer
Black aluminum, micrometer adjustable, with knife edge
Case
304 SS with vent plug and polished stainless steel bayonet
ring. Welded case to socket connection
Standard Scale
PSI
Window
Laminated safety glass
Working Pressure

Steady:         Full scale value

Fluctuating:   0.9 x full scale value

Short time:    1.3 x full scale value

Operating Temperature

Ambient:       -40°F to 140°F (-40°C to 60°C)

Media: max.  212°F (+100°C)

Temperature
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.
Connection
Material: 316 SS
Lower mount (LM)
1/4" or 1/2" NPT
Window Gasket
Buna-N
Weather protection
Weather tight (NEMA 4X / IP 66)
Other
Supplied standard with a zippered, padded carry bag
Supplied standard with calibration test report
ORDER OPTIONS (min. order may apply)
Custom dial layout
316 SS threaded restrictor
Polycarbonate window
Flat instrument glass window
Special connections limited to wrench flat area
Other pressure scales available:
Bar, kPa, Kg/cm 2 and dual scales
Cleaned for oxygen service
Back connection*
Front flange*
U-clamp bracket*