Bourdon tube pressure gauge, stainless steel
For HP (high purity) applications
Applications
- Semiconductor and electronic industry, medical industry, gene technology, biotechnology and pharmaceutical industries.
- Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
- Where measurement of high purity gases is needed without contamination of the process media.
Special features
- 316L wetted parts
- Electro-polished SS case & face-seal connection
- Positive and compound pressure ranges to 10,000 psi
Standard Features
Design
ASME B40.100
Sizes
2" [50 mm]
1 ½" [40 mm]
Accuracy Class
2": ±2/1/2 % of span (ASME B40.100 Grade A)
1 ½": ±3/2/3 % of span (ASME B40.100 Grade B)
Ranges
Vacuum / compound to 30"Hg/0/300 psi
Pressure from 15 psi up to 6,000 psi or other equivalent units of pressure or vacuum
Working Pressure
Steady: ¾ 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]
Medium: +212 °F [+100 °C] maximum
Temperature Error
Additional error when temperature changes from reference temperature of 68 °F [20 °C] ±0.4 % for every 18 °F [10 °C] rising or falling. Percentage of span.
Weather Protection
Weather resistant (NEMA 3 / IP 54)
Pressure Connection
Material: 316L SS
Position: Lower mount (LM) & center back mount (CBM)
Type of connection: ¼” NPT - male
Wetted surface finish: Ra < 1.0 μm [Ra < 40 μinch] - internal
Bourdon Tube
Material: 316L SS
30”Hg (vac) to 1,000 psi, C-type
1,500 to 6,000 psi, helical type
Helium leak tested 1 x 10-9 scc/sec (inboard)
Socket
Material: 316L SS
Ra < 1.0 μm [Ra < 40 μinch] - internal
Movement
Stainless steel
Dial
White aluminum with stop pin and black lettering
Pointer
Black aluminum
Case
304 SS, electropolished
Window
Polycarbonate: twist-lock (2"); snap cap (1 ½")
Cleanliness
ASME B40.1 Level IV (for oxygen service)
Packaged in single nylon bag
Purged with Nitrogen
Protective cap over threaded connection
