ĐỒNG HỒ ĐO ÁP SUẤT WIKA 233.55 LBM

Design
ASME B40.100
Size
2½” (63mm)
Accuracy Class
2½” + ASME B40.100 Grade A 2/1/2%
Bourdon Tube
Material: 316 Stainless steel
< 1500 psi (100 bar): C-shape
> 1500 psi (100 bar): Helical
Socket Material
316L Stainless Steel
Movement
Stainless Steel
Dial
White aluminum with black lettering; stop pin
Pointer
Black aluminum
Case
316 Stainless Steel with vent plug and SS crimping ring.
FlexWindow option without vent plug.
Welded case/socket connection.
Front Flange
316 series Stainless Steel, polished
Scale Ranges (all ranges not stocked)
Vacuum/Compound to 30 INHG(-1 bar)/0/200 psi (16 bar)
Pressure from 15 psi (1 bar) to 20,000 psi (1600 bar) or other equivalent units of pressure or vacuum
Working Range

Steady:          3/4 of full scale value

Fluctuating:    2/3 of full scale value

Short time:     full scale value

Operating Temperature

Ambient: -4°F to 140°F (-20°C to 60°C) Note 1

Media: 212°F (+100°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.
Ingress Protection
IP 65 per EN 60529 / IEC 60259
IP 66 (NEMA 4) with FlexWindow option
Vent Plug
Flat rubber - over 300 psi (20 bar)
Field cuttable nipple - vacuum through 300 psi (20 bar)
With yellow vent lever - available
Note: FlexWindow option comes with integrated pressure compensation and does not require a vent plug
Restrictor
316 Stainless Steel; 0.023” (0.6mm) orifice, standard

Pressure Connection
Material: 316 Stainless Steel
Lower back mount (LBM)
1/4” NPT limited to wrench flat area
Standard Scale
PSI, PSI/BAR, PSI/KPA, PSI/KG/CM2
Window Gasket
Buna-N
Case Filling
Glycerine
100% Case fill with integrated pressure compensation with FlexWindow option
Window
Safety glass
FlexWindow (clear liquid silicone rubber)

Optional Extras
Custom dial layout
Silicone or Halocarbon oil case fill (*)
Special connections limited to wrench flat area
Other pressure scales available
Cleaned to ASME level IV (without glycerine case fill) (*)