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| 1. PHB-3 Pen pH meter | 1pc |
| 2. pHCalibration buffer solution(pH7.00/10ml) | 1bottles |
| 3. AAA batteries | 2pcs |
| 4. Manual |
pH | Measuring range | 0~14.0 pH |
| Resolution | 0.1 pH | |
| Accuracy | ±0.1pH±1 digit | |
| Temperature compensation | No | |
| Other technical parameters | Automatic Calibration | 1 point calibration (7.00 pH) |
| Power | 2 AAA batteries, 1.5V × 2, more than 100 hours of continuous using | |
| Size and weight | 39×25×176 mm/95g | |
| Waterproof | IP57 |
PHB-3 pH Pocket Tester