| Conductivity level | Level 1.0 |
| mV resolution | 0.1mV |
| mV electronic unit intrinsic error | +/- 0.1% or +/- 0.3mV |
| mV Electronic Unit Repeatability | 0.5 mV |
| mV Electronic Unit Input Impedance | ≥1×1012Ω |
| pH Measurement Range | -2.00~20.00pH |
| An indication of pH electronic unit error | ±0.01pH |
| Repeatability of pH electronic unit | 0.005pH |
| An indication of pH instrument error | ±0.02pH |
| pH Instrument Repeatability | 0.01pH |
| pX Measurement Range | (-2.00~20.00)pX |
| pX resolution | 0.01pX |
| PX electronic unit error of indication | ±0.01pX |
| pX Electronic Unit Repeatability | 0.005pX |
| PX instrument error of indication | ±0.02pX |
| pX Instrument Repeatability | 0.01pX |
| Ion concentration range | (0~1990), (UL, mmol/L, g/L, mg/L, μg/L |
| Ion resolution | 4 significant digits |
| Ionic electronic unit error of indication | ±0.5% |
| Ion conductivity range | 0.000 μS/cm~1000mS/cm |
| Ion conductivity minimum resolution | 0.001 μS/cm, automatic switching |
| Ion conductivity electronic unit reference error | ± 1.0%(FS) |
| Repeatability of ion conductivity electronic unit | 0.33%(FS) |
| Ion conductivity instrument reference error | ±1.50%(FS) |
| Repeatability of ion conductivity instrument | 0.50%(FS) |
| Electrical resistivity Measurement Range | 5.00Ω·cm~20.00MΩ·cm |
| Electrical resistivity resolution | 0.01 Ω · cm, automatic switching |
| Electrical resistivity electronic unit reference error | ±1.0%(FS) |
| TDS range | 0.00mg/L~300g/L |
| TDS resolution | 0.01Mg/L, automatic switching |
| TDS electronic unit reference error | ±1.0%FS |
| Salinity range | 0.00~8.00% |
| Salinity resolution | 0.01% |
| Salinity electronic unit reference error | ±0.2% |
| Reference error of salinity instrument | ±0.4% |
| DO Measurement Range | 0.00~20.00mg/L |
| DOS resolution | 0.01 mg/L |
| DO electronic unit error of indication | ±0.10mg/L |
| DO Zero Error | ≤0.1mg/L |
| DO response time | ≤ 45s (90% Response at 20.0 ℃) |
| DO error of indication | ±0.30mg/L |
| DO% Measurement Range | 0.0~200.0% |
| DO% resolution | 0.1% |
| DO% error of electronic unit indication | ±2.0% |
| Saturation instrument error of indication | ±10.0% |
| Temperature Measurement Range | -5.0~110.0℃ |
| Temperature Resolution | 0.1℃ |
| Temperature electronic unit error of indication | ±0.2 ℃ |
| Temperature instrument error of indication | +/- 0.4 ℃ (0.0 ℃ -60.0 ℃) +/- 1.0 ℃ (Miscellaneous range) |
| Operating Environment | Ambient Temperature: (0~40) ℃ Relative Humidity: not more than 85% |
| Dimensions | 242*195*68mm |
| Weight | About 0.9kg |
| Power | Power adapter (input: AC 100~240V output: DC 9 V) |
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;