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| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Model | PHS-300 |
| Measurement Parameters | Dual (pH and mV) |
| pH Accuracy | ±0.01 |
| pH Range | −2.00 to 16.00 |
| mV Range | −1000 to +1000 mV |
| pH Resolution | 0.01 |
| mV Resolution | 1 mV |
| Temperature Compensation | Automatic (0.0–60.0 °C) |
| Temperature Sensor | PT1000 |
| Calibration | Auto-buffer recognition, 3-point calibration |
| Standard Buffer Compatibility | NIST-traceable (Chinese national standard version) |
| Instrument Class | 0.01-level |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/ORP/Temp) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | 0.00–14.00 pH |
| ORP Range | −1999 to +1999 mV |
| Temperature Range | 0.0–100.0 °C |
| pH Resolution | 0.01 pH |
| ORP Resolution | 1 mV |
| Temperature Resolution | 0.1 °C |
| Temperature Compensation | Manual |
| Calibration | 2-point pH calibration (using pH 7.00 standard buffer) |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Operating Temperature | 0–50 °C |
| Dimensions | 157 × 76 × 38 mm |
| Weight | 206 g |
| Instrument Class | 0.1-grade |
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