| Measurement parameter | pH, mV (ORP electrode optional), DO, ℃ |
| PH Measurement range | -2.000~20.000ph |
| PH resolution | 0.01/0.001 |
| PH Accuracy | +/- 0.002ph +/- 1 word |
| PH calibrating point | 1~ 5 point Automatic calibration |
| PH temperature compensation | -10.0~135.0 ° C/14.0~275 ° F Automatic compensation |
| ORP Measurement range | -1999.9~+1999.9mV |
| ORP resolution | 0.1 |
| ORP Accuracy | +/- 0.03% F. S +/- 1 word |
| Dissolved oxygen DO Measurement range | 0.00~20.00 mg/L |
| Dissolved oxygen DO Accuracy | ±0.30 mg/L |
| Dissolved oxygen saturation | 0.0~200.0% |
| Pressure compensation of dissolved oxygen DO | 0~200.0kPa automatic compensation |
| Dissolved oxygen DO salinity compensation | 0~45ppt manual compensation |
| Measurement range | -10.0~135.0°C/14.0~275℉ |
| Measurement Accuracy | ±0.2℃ |
| Data output | U disk/PC/printer (printer optional) |
| Data storage | 1000 groups (number, value, unit, temperature, time) |
| Power Supply | DC12V |
Warranty days: 730 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;