Fig. Inter. - Figure Interval. Increments between PSI numbers on gauge face.
Grad. Inter. - Graduation Interval. Fractional increments between PSI numbers on gauge face.
Features:
Grad. Inter. - Graduation Interval. Fractional increments between PSI numbers on gauge face.
Features:
- 3-2-3% Accuracy according to ASME B40.100 Grade B
- Polished drawn brass case
- Twist-lock polycarbonate window
- Copper alloy bourdon tube
- "Use no oil" in red on face
- Temperature range: -40ºF to 140ºF