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| Product Name | QiWei PHS-25B pH Meter (Benchtop Precision Rechargeable) | FZchina PHS-25 Economical acidity Meter |
| Product Price | In coming | $233.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Measuring range | 0~14PH | 0~14PH |
| precision | ±0.05 | ±0.01 |
| Annex | ||
| Parameter comparison | ||
| Measurement Range of pH | 0~14 pH | (0.00~14.00)pH |
| Measurement accuracy of pH | ±0.05 pH | |
| pH resolution | 0.01 pH | 0.01 pH |
| mV Measurement Range | 0 ~±1999 mV | （-1999~1999）mV |
| mV Measurement accuracy | ±10 mV | |
| mV resolution | 1 mV | 1mV |
| Temperature compensation Range | 0~60℃ | (0.0~ 100.0) ℃ (manual) |
| Standard buffer solution | pH4.00；PH6.86；pH9.18 | |
| Power supply Type | Power Adapter or Power Cord | |
| Dimension | 220*200*85mm | |
| weight | About 1 kg | |
