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| Product Name | QiWei PH-220 pH Meter (pen type) | QiWei PH-220 pH Meter (pen type) |
| Product Price | $104.00 | In coming |
| Details | Details | |
| Model comparison | ||
| type | Pen style | Pen style |
| Measuring range | 0~14PH | 0~14PH |
| precision | ±0.02 | ±0.02 |
| Annex | ||
| Parameter comparison | ||
| PH Measurement Range | 0.1~14pH | PH: 0.1~ 14pH; Temperature: 0~ 50 ° C (32~ 122 ° F) |
| PH Measurement accuracy | ±0.02pH | |
| PH calibrated | PH: 25 ℃ three point calibrated (4.01, 6.86, 9.18) | |
| resolution | 0.01pH | PH: 0.01pH; Temperature: 0.1 ° C (1 ° F) |
| Measurement Range | 0~50℃/32~122℉ | |
| Measurement accuracy | 1℃ | |
| Temperature resolution | 0.1℃(1℉) | |
| Permissible Ambient Temperature | 0~50℃ | |
| power supply | 1.5V battery (LR44) * 4PCS | 1.5V battery (LR44) * 4PCS |
| Dimension | Φ40*185mm | Φ40*185mm |
| weight | 88g | 88g |
