Description
Application
- Measurement and indication of two applied pressures
- For non-corrosive, non-crystallizing gaseous and liquid media
- Heating ventilation and air conditioning (HVAC)
Product Features
- Duplex indication with separate black and red pointer
- Economical and rugged design
- Scale ranges from 0…15 psi (1 bar)
- Available in 4½” (115 mm) and 6″ (160 mm)
Specifications
Sizes
4½” & 6″
Accuracy
+ 2/1/2% of span
(ASME B40.1 Grade A)
Ranges
Pressure from 0/15 psi (1 bar) to 0/1000 psi (70 bar)
Working Range
Steady: 3/4 of full scale value
Fluctuating: 2/3 of full scale value
Short time: 1.3 x full scale value
Operating Temperature
Ambient: -4oF to 140oF (-20oC to 60oC)
Media: max. 140oF (+60oC)
Temperature Error
Additional error when temperature changes from reference temperature of 68oF (20oC) +0.4% of span for every 18oF (10oK) rising or falling.
Weather Protection
NEMA 2 (IP 33)
Connection
Material: copper alloy
Lower mount (LM) only
2 x 1/4″ NPT
Each side marked with ⊕ or ⊖
Bourdon Tube
Material: copper alloy
Movement
Copper alloy, dual
Dial
White aluminum with black lettering.
Pointer
Material: aluminum
1 black and 1 red non-adjustable pointers
Case
Black cast aluminum with built-in rear flange
Window
Instrument glass
Threaded Ring
Black aluminum
Operating Principle
The right connector (marked plus “+” operates the red pointer. The left connector (marked minus “-“) operates the black pointer
Selected documents