| pH Measurement range | -2.000~20.000pH |
| pH measurement Accuracy | ±0.002pH |
| pH resolution | 0.1, 0.01, 0.001pH, optional |
| pH calibrating point | 1 to 5 point |
| pH calibrating solution | USA, NIST, DIN, custom |
| pH temperature compensation range | 0~100°C, 32~212°F |
| pH temperature compensation | Manual/Automatic |
| ORP Measurement range | ±1999.9mV |
| mV measurement Accuracy | ±0.2mV |
| mV resolution | 0.1, 1mV, optional |
| mV calibrated point | 1 point (only for R.mV mode) |
| mV calibrated range | ±200mV |
| Temperature Measurement range | 0~105℃, 32~221℉ |
| Temperature measurement Accuracy | ±0.5℃ |
| temperature resolution | 0.1℃ |
| Temperature calibrating point | 1 point |
| Temperature unit | ℃, ° F, optional |
| Data stability condition | Fast or high precision |
| Calibrated reminder | 1 to 31 days or closed |
| shutdown mode | Manual or automatic (10, 20, 30 minutes after no button operation) |
| data storage | 500 groups |
| Communication interface | USB |
| Connector | BNC |
| Power | 3 AA batteries |
| Battery life | About 150 hours (when the LCD backlight is turned off) |
| Dimensions | 170*85*30mm |
| Instrument Weight | 300g |
| Optional accessories | Type 501 ORP electrode, Type 502 ORP electrode, Type 504 ORP electrode |
| Packaging Dimensions | 340*290*80mm |
| Encasement Weight | 2kg |
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;