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| Product Name | QiWei PHS-25 pH Meter (Benchtop Precision) | FZchina PHS-25 Economical acidity Meter |
| Product Price | $127.00 | $233.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Measuring range | 0~14PH | 0~14PH |
| precision | ±0.05 | ±0.01 |
| Annex | ||
| Parameter comparison | ||
| PH Measurement Range | 0~14pH | |
| PH Measurement accuracy | ±0.05pH | |
| resolution | 0.01pH/1mV | |
| Measurement Range | 0~60℃ | |
| power supply | Power Adapters, or Power Cords | Universal power supply (DC9V, 300mA, internal positive and external negative) |
| Dimension | 220*200*85mm | |
| weight | About 1Kg | |
| Standard buffer solution | pH4.00；PH6.86；pH9.18 | |
| mV Measurement accuracy | ±10mV | |
| mV Measurement Range | 0~±1999mV | （-1999~1999）mV |
