| HT-1890B |
| Function | Range | Resolution | Function | Range | Resolution |
| inH2O | ±12.04 | 0.1 | Ozin2 | ±6.96 | 0.01 |
| Psi | ±0.435 | 0.001 | ftH2O | ±.003 | 0.001 |
| Mbar | ±30.0 | 0.1 | cmH2O | ±30.6 | 0.1 |
| kPa | ±3.000 | 0.001 | Kgcm2 | ±.030 | 0.001 |
| inHg | ±0.886 | 0.001 | Bar | ±.030 | 0.001 |
| mmHg | ±22.5 | 0.1 | |||
| Size | 170mmx55mmx33mm | ||||
| Weight | 165g | ||||
| Accessories | 9V battery,manual,2 of soft hose and bilster card. |
