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| Product Name | QiWei PHB-5 pH Meter (portable microcomputer) | QiWei PHB-4 pH Meter (portable microcomputer) |
| Product Price | $106.00 | $173.00 |
| Details | Details | |
| Model comparison | ||
| type | Portable | Portable |
| Measuring range | 0~14PH | 0~14PH |
| precision | Miscellaneous | ±0.01 |
| Annex | ||
| Parameter comparison | ||
| PH Measurement Range | 0~14pH | 0~14pH |
| level | Level 0.1 | |
| Measurement accuracy | ±0.1pH | ±1℃ |
| Temperature compensation Range | without | |
| power supply | 1 DC 9V battery | 1.5V battery/4 pcs |
| Dimension | 120x40x34mm | 180*80*30mm |
| weight | 110g | About 0.5Kg |
