| Agency Compliance | FM approved Class I, Div. 1, Groups A, B, C, D, Zone 0 |
| Basic Gauge Case Material | Metal |
| Basic Gauge Wetted Parts, Socket Material | Stainless Steel |
| Calibration Certificate, Peak Hold | No |
| Case Material | Epoxy Powder Coated Extruded Aluminum |
| Country of Origin (subject to change) | United States |
| Digital Gauge Accuracy | +/-0.25% Full Scale |
| Digital Gauge Display Units | psig, bar, kPa, mPa, kg/cm2, g/cm2, in. Hg, atm, ft. H2O, in. H2O, oz./in2 |
| Digital Pressure and Vacuum Gauge Type, Item | Digital Compound Gauge |
| Display | LCD |
| Display Units | -inHg/+psig, +/-psig, +/-kPa, +/-Mpa, +/-bar, +/-atm, +/-kg/cm2, +/-g/cm2, +/-oz/in2, +/-ftH2O, +/-inH2O, +/-inHg |
| Features | Intrinsically Safe Gauge |
| Gauge Connection Location | Bottom |
| Gauge Connection Size | 1/4" |
| Gauge Connection Type | MNPT |
| Gauge Nominal Dial Size | 3" |
| Gauge Operating Temp. Range | -4 Degrees to 180 Degrees F |
| Gauge Primary Range Units | In. Hg/psi |
| Gauge Primary Range Values | -30 to 0 to 200 |
| Includes | Battery and Instructions |
| Manufacturers Warranty Length | 1 yr. |
| Memory Storage | 8 Max Readings |
| Number of Display Digits | 4 |
| Powered By | AAA Battery |
| Range | -30inHgVac-200 psi |
| Series | D4M8 |