Features
- Measures differential pressure with ±0.3%FS high accuracy
- Supports 11 selectable pressure units (psi, bar, kPa, inHg, mmHg, etc.)
- Wide measuring range with multiple models (up to ±100 psi / ±1034 mbar / ±775.7 mmHg)
- Data functions: Max/Min/AVG recording, data hold, and elapsed timer
- Overrange protection with ERR1 or ERR2 warning display
- Easy zero setting for accurate calibration
- Large LCD display with backlight for clear readings
- Compact and portable with carry pouch and included accessories
- Powered by a 9V battery for field use
- Operating temperature: 32 °F to 104 °F (0 °C to 40 °C)
Technical Specifications
| Pressure Type | Differential |
| Accuracy | ±0.3% FS |
| Linearity/Hysteresis | ±0.1% FS |
| Repeatability | ±0.25% FS |
| Measuring Units | inH₂O, psi, bar, mbar, kPa, inHg, mmHg, oz/in², ftH₂O, cmH₂O, kg/cm² |
| Measuring Range | ET-920: up to ±2.0 psi (±137.8 mbar / ±13.79 kPa)ET-921: up to ±5.0 psi (±344.7 mbar / ±34.47 kPa)ET-922: up to ±15.0 psi (±1034 mbar / ±103.4 kPa) |
| Maximum Pressure | ET-920: 10 psiET-921: 20 psiET-922: 100 psi |
| Resolution | Up to 0.001 (varies by range and unit) |
| Input Ports | Two metal 4.5 mm barbed fittings for 1/8 in (3.18 mm) ID tubing |
| Overrange Indication | ERR1 or ERR2 |
| Display | Large LCD with backlight, Max/Min/AVG, data hold, elapsed timer |
| Power Supply | 9V battery |
| Operating Temperature | 32 °F to 104 °F (0 °C to 40 °C) |
| Storage Temperature | 14 °F to 140 °F (-10 °C to 60 °C) |
| Weight | 6.61 lb (3.0 kg) gross |
| Dimensions | 9.41 in x 9.45 in x 3.43 in (23.9 cm x 24 cm x 8.7 cm) |
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