Applications
• Pressure gauge for indicating and monitoring the pressure in tanks and for signaling possible leaks
• Pressure gauge for use in gas extinguishing systems
• General industrial applications
Special Features
• High switching reliability and long service life
• Design per ASME B40.100 and EN 837-1
• Adjustable contact between 10 and 90% of the scale range
• B40.100 & EN 837-1
Standard Features
Design
ASME B40.100 & EN 837-1
Sizes
1½" or 2" (40 or 50 mm)
Accuracy class
± 2.5% of span (ASME B40.100 Grade A)
Switch point tolerance
± 2.5% of span
Ranges
1½": 0/60 to 0/1500 PSI
2": 0/60 to 0/6000 PSI
or other equivalent units of pressure or vacuum
Working range
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: full scale value
Operating temperature
Ambient: -40°F to +140°F (-40°C to +60°C)
Medium: +140°F (+60°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.
Connection
Material: Copper alloy
Lower mount (LM) or center back mount (CBM)
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