Series "J" Steel Case
Marsh Instruments general service steel case gauges are an economical, general purpose gauge for pressure measurement from vacuum/compound through 5000psi. suited for use with water, oil , air, gas or other non-corrosive media. Typical applications include FRLs, compressors, pumps, boilers, regulators, dryers as well as commercial and industrial equipment.
Accuracy: ASME Grade B= +/- 3/2/3% (+/- 2 % of range across middle half of scale).