Design
ASME B40.100
Sizes
2½“ (68 mm)
Accuracy Class
± 1/2/5% of span
1% at zero pressure
2% in the first 75% of the scale
5% in the last 25% of the scale
Ranges
-30 InHg / 120 psi, retard to 350 psi / 0 / 500 psi
Additional Ranges / Consult Factory
Working Pressure

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 (-40°C to 65°C)

Media: 140°F (+65°C) maximum

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.

Product Features
Red and blue steel case
Zero-adjustment screw on dial
Silicone dampened movement
Pressure Connection
Material: Copper alloy
Lower Mount (LM) 1/8“ or 1/4“ NPT
Bourdon Tube
Material: Copper alloy
15 psi to 800 psi: C-shape
Movement
Copper alloy, silicone dampened
Dial
White aluminum with stop pin and black lettering.
Zero-adjustment screw on dial
Pointer
Black aluminum
Case
Red or Blue steel case
Window
Twist-lock clear polycarbonate
Restrictor
Brass restrictor press – 0.5mm

Optional Extras
Black ABS Case

Refrigeration scales
Other pressure scales available: Bar, kPa, MPa, kg/cm2 and dual scales
Red and blue ABS case