Description
- 0.5% Full Scale Accuracy
- Precision Knife Edge Pointer
- Mirror Dial
- External Zero Adjustment
- Ranges Vacuum through 1,000 psi
- Test/Calibration

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.
| Spec accuracy | .5% (ASME Grade A) |
|---|---|
| Bezel | Brass, Nickel Plated- Removable |
| Connection | 1/4 NPT- Lower Mount |
| Design | Meets/Exceeds ASME B40.100 |
| Pointer | Aluminum, Black Painted, Knife edge |
| Mount | Lower Mount |
| Vent plug | N/A |
| Accuracy | .5% (ASME Grade A) |
| Subtitle | Test Gauges – Precision Service |
| Series | D15 Series |
| Dial color | Black Markings on White |
| Dial size | 3" |
| Pressure ranges | VAC/Compound to 1000 psi |
| Case | Brass, Nickel Plated |
| Standard case fill | Dry, Non-Fillable |
| Window | Beveled Glass |
| Movement | Brass |
| Dial sizes | 3" |
| Ambient temperature | Dry -40 to 160 |
| Internal material | Copper Alloy |
| Tube socket | Copper Alloy |
| Standard scale | Dual Scale psi/kpa |
| Weights | see variation page |
| D15 Series | D1505, D1505L1 |