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Model 1903
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The Model 1903 pressure gauges have a cast aluminum solid front flange case with a lower-back mount. ¼” or ½” NPT process connections are available.

Model 1903 process gauge is supplied in many different ranges including vacuum, compound, and pressure ranges from 30" Hg vacuum through 1000 psi. Dials are available in psi gauge or metric versions.

Gauge Size: 4 ½" or 6"

Accuracy: ± (0.5 % FS)

Size: 4½" (114mm) or 6" (152mm)

Wetted Parts: Phosphor Bronze and Brass
Ranges: Vacuum - 30 to 0 "Hg VAC (counterclockwise rotation)
Compound - 30"Hg VAC to 150 psi
Pressure - 0 to 1000 psi