| Instrument level | pH: 0.01 grade; conductivity: 1.0 grade |
| Measurement parameters | Conductivity Detector, dissolved oxygen, pH/pX, temperature |
| pH/PX Measurement range | (-2.00~20.00)pH/pX |
| ORP Measurement range | ±1999.9mV |
| Ion concentration Measurement range | (0~19990) Optional units: pX, mol/L, mmol/L, g/L, mg/L, ug/L |
| Conductivity range | 0.000μS/cm~199.9mS/cm |
| Resistivity range | 0.00Ω·cm~20.00MΩ·cm |
| TDS range | 0.000mg/L~100g/L |
| Salinity range | 0.00~8.00% |
| DO range | 0.00~19.99mg/L |
| DO% Measurement range | 0.0~199.9% |
| Response time | ≤ 45s (90% Response at 20 ℃) |
| Measurement range | -5.0~135.0℃ |
| pH/pX resolution | 0.01pH/pX |
| ORP resolution | 0.1mV |
| DOS resolution | 0.01mg/L |
| DO% resolution | 0.10% |
| Temperature Resolution | 0.1℃ |
| pH/pX intrinsic error | +/- 0.01pH/pX +/- 1 word |
| ORP intrinsic error | ±0.1%FS |
| EC intrinsic error | ±1.0%FS |
| Resistivity intrinsic error | ±1.0%FS |
| TDS intrinsic error | ±1.0%FS |
| Salinity intrinsic error | ±0.2% |
| DO intrinsic error | ±0.30mg/L |
| DO% intrinsic error | ±10.0% |
| Temperature intrinsic error | +/- 0.3 ℃ +/- 1 word |
| Temperature compensation range | Automatic, PH: (0.0~100.0) ℃; Conductivity Detector: (0.0~100.0) ℃; dissolved oxygen: (0.0~40.0) ℃ |
| Power Supply | 4 AA alkaline batteries |
| Dimensions | 210*100*45mm |
| Weight | 0.5kg |
Warranty days: 365 days