| pH Measurement Range | -2.00~16.00pH |
| pH resolution | 0.01pH |
| pH measurement Accuracy | +/- 0.1% pH +/- 1 word |
| ORP Measurement Range | ± 2000.0mV |
| ORP resolution | 1mV |
| ORP Accuracy | +/- 1% +/- 1 word |
| TDS range | 0.00ppm~200.0ppt |
| TDS resolution | 0.01/0.1 |
| TDS measurement Accuracy | ± 0.5%FS |
| Salinity range | 0.0~80.0ppt |
| Salinity resolution | 0.1 |
| Salinity measurement Accuracy | ± 1%FS |
| Temperature Measurement Range | -5.0~100.0℃ |
| Temperature Resolution | 0.1℃ |
| Temperature measurement Accuracy | +/- 0.3 ℃ +/- 1 word |
| pH correction solution type | 4.0, 6.86, 9.18/4.0, 7.0, 10.0 two groups optional, 2 points automatic correction |
| EC Temperature Compensation Range | Automatic -5.0~100.0 ℃ |
| temperature coefficient | 0.00~4.00% adjustable, default 1.9% |
| TDS conversion factor | 0.30~1.00 adjustable, default value 0.65 |
| Conductivity calibrated point | Multi-point manual correction |
| Salinity correction | Multi-point manual correction (China's standard seawater salinity is 5ppt, 20ppt, 30ppt, 35ppt and 40ppt) |
| Data storage | 50 sets |
| Communication interface | RS-232C (to USB) |
| Power | AC power converter (output: DC9V) or 6 1.5 volt 7 #batteries |
| Ambient Temperature | 0~50℃ |
| Dimensions | 241*86*72mm |
| Weight | Approx. 470g (without battery) |
| Shop Accessories | Plastic case/Glass ORP composite electrode (Oxidation-reduction potential measurement), Fillable Glass pH composite electrode (conventional measurement), composite electrode (Glass), viscous or greasy objects, strong acid and alkali |
| Shop Accessories | Stainless steel temperature probe, plastic shell pH composite electrode (conventional measurement), pure water Glass pH composite electrode (pure water, ultrapure water measurement), Glass pH composite electrode (70~100.0 ℃ medium, organic solvent, protein medium measurement) |
| Working Relative Humidity | <90% |
Warranty days: 365 days
The manufacturer provides a 1-year warranty for the instrument and 1 month for consumables such as electrodes (except for human factors)