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| Product Name | YUEFENG PHS-3C Laboratory acidity Meter | FZchina PHS-3C+ Economical acidity Meter |
| Product Price | $180.00 | $422.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Measuring range | 0~14PH | 0~14PH |
| precision | ±0.01 | |
| Annex | ||
| Parameter comparison | ||
| Measurement parameter | PH value, mV (ORP) | |
| Measurement Range of pH | 0~14.0 pH | -5.00~20.00pH |
| mV Measurement Range | -1999~1999mV | |
| resolution | 0.01pH | |
| pH intrinsic error | +/- 0.01pH +/- 1 word | ±0.01pH |
| mV intrinsic error | ±0.1%(F.S) | |
| Stability (zero drift) | (0.01pH +/- 1 word)/3h | |
| Input Impedance | ≥1*10^12Ω | ≥1*10¹²Ω |
| Instrument level | 0.01 level | 0.01 level |
| temperature compensation | Manual, 0.0~ 60.0℃ | |
| Measured solution temperature | 5~60℃ | |
| calibration | Two point calibration | |
| buffer recognition | Automatic identification of 3 standard buffer solutions: 4.00pH, 6.86pH, 9.18pH | |
| display screen | LCD | |
