Marsh Instruments Inspector's Test Gauges are specifically designed for use by steam boiler, air brake and pressure system inspectors. The rugged 3" Inspector's test gauges features a nickel-plated case and an accuracy of .5% span. The bushed Master Test Gauge movement with recalibrator is standard.
- 0.5% Full Scale Accuracy
- Precision Knife Edge Pointer
- Mirror Dial
- External Zero Adjustment
- Ranges Vacuum through 1,000 psi
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