Features1. Measures gauge/differential pressure: -55H2O to +55H2O(+2 psi).
2.11 selectable units of measure: in H2O, psi, bar, mbar, Kpa, InHg, mmHg, ozin2, FtH2O, kgH2O, kgcm,
3. Max/min/average and with a relative time
4Zeroing, offset, and data compensation
4Low battery display, auto shutdown
5Data hold and error code
Specifications| Function | Range |
| InH2O | ±138.3 |
| Psi | ±5.000 |
| Mbar | ±344.7 |
| Kpa | ±34.47 |
| inHg | ±1.018 |
| mmHg | ±258.5 |
| Ozin2 | ± 80.0 |
| FtH2O | ± 11.53 |
| cmH2O | ± 351.5 |
| Kgcm2 | ± 0.351 |
| Bar | ± 0.344 |
| Size | 170*55*33mm |
| Weight | 165g |
| Accessories | 9V battery, manual, 2 of house and blister card |