| Measurement parameters | pH, mV, temperature |
| PH range | -2.00~19.99pH |
| PH measurement Accuracy | ±0.02pH |
| resolution | 0.1/0.01 |
| Stability (zero drift) | ±0.002pH/3h |
| mV range | -1999.9~1999.9mV |
| mV resolution | 0.1mV |
| mVAccuracy | ±0.03% FS |
| Temperature Measurement range | 0~100℃ |
| temperature resolution | 0.1℃ |
| Temperature measurement Accuracy | 5~ 60 ℃: ± 0.4 ℃, Others: ± 0.8 ℃ |
| Calibrated | Three point calibrated |
| data storage | 300 groups |
| Power | DC 5V/1A |
| Communication interface | Micro USB and Standard USB |
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;