Description
Technical Specifications
| pH Testing Range | -2 pH to 19.99 pH |
| pH Resolution | 0.1 or 0.01 pH |
| pH Accuracy | ±0.01 pH |
| pH Stability | ±0.01 pH or 3 h |
| ORP (mV) Testing Range | -1999 mV to 0 to 1999 mV |
| ORP (mV) Resolution | 1 mV |
| ORP (mV) Accuracy | ±0.1% FS |
| Conductivity Testing Range | 0.00 μS/cm to 19.9 μS/cm, 20.0 μS/cm to 199.9 μS/cm 200 μS/cm to 1999 μS/cm, 2.00 mS to 19.99 mS/cm 20.0 mS/cm to 199.9 mS/cm TDS: 0 g/L to 100 g/L |
| Conductivity Resolution | 0.01 μS/cm or 0.1 μS/cm or 1μS/cm or 0.01 mS/cm or 0.1 mS/cm |
| Conductivity Accuracy | ±1.0% FS |
| Conductivity Electrode Constants | 0.1 cm or 1 cm or 10 cm -1 |
| DO Testing Range | 0 mg/L(ppm) to 20 mg/L(ppm) |
| DO Resolution | 0.1 mg/L(ppm) or 0.01 mg/L(ppm) 1 % or 0.1 % |
| DO Accuracy | ±0.10 mg/L |
| DO Response Time | ≤30 s 77 °F (25 °C), 90% response] |
| DO Residual Current | ≤0.1 mg/L |
| DO Salinity Compensation Range | 0 ppt to 45 ppt (automatic) |
| DO Air pressure Compensation Range | 66 kPa to 200 kPa (manual) |
| DO Automatic Calibration | Air saturated with water; water saturated with air |
| DO Electrode Type | Polar spectrum type |
| Data Storage | 400 groups |
| Storage Content | Number, measured value, measurement unit and temperature value. |
| Power Supply | AA batteries 2 sections (1.5 V × 2) |
| Quality And Safety Certification | ISO9001:2000, CE and CMC |
| Working Ambient Humidity | ≤ 85% |
| Working condition IP Rating | IP 57 dustproof and waterproof |
| pH Temperature Compensation Range | 32 ℉ to 212 ℉ (0 ℃ to 100 ℃) automatic |
| Conductivity Base Temperature | 77 ℉, 68 ℉, 64 ℉ (25 ℃, 20 ℃ and 18 ℃) |
| Conductivity Temperature Compensation Range | 32 ℉ to 122 ℉ (0 ℃ to 50 ℃) automatic |
| DO Temperature compensation Range | 32 ℉ to 113 ℉ (0 °C to 45 °C) automatic |
| Working Condition Ambient Temperature | 41 ℉ to 95 ℉ (5 °C to 35 °C) 0.01 level |