Fig. Inter. - Figure Interval. Increments between PSI numbers on gauge face.
Grad. Inter. - Graduation Interval. Fractional increments between PSI numbers on gauge face.
Features:
- ASME B40.1, Grade B accuracy (± 3-2-3 % accuracy)
- ABS plastic case
- Bronze bourdon tube / brass socket
- Polycarbonate crystal
- Black aluminum pointer
- Brass movement with polyester segment, designed for extended wear
- Ambient temperature range of -40ºF to 150ºF
