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Hangzhou Lohand Biological Co., Ltd.
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1.Technical Parameters:
1.1. pH:
Measuring range | (-2.00 to 19.99) pH |
Resolution | 0.1/0.01 pH |
Accuracy | Meter: ±0.01pH, connect meter with electrode: ±0.02pH |
Input current | 0-2×10-12 A |
Input impendance | ≥1×1012 Ω |
Stability | ±0.01 pH/3h |
Temp. compensation range | (0 to 100) °C (automatic) |
1.2. mV:
Measuring range | -1999 mV to 0 to 1999mV |
Resolution | 1mV |
Accuracy | ±0.1% FS |
1.3. Dissolved Oxygen:
Measuring range | (0 to 40.00) mg/L (ppm) (0 to 200.0) % |
Resolution | 0.1/0.01 mg/L (ppm) 1/0.1% |
Accuracy | Meter: ±0.10 mg/L, connect meter with electrode: ±0.40 mg/L |
Response time | ≤30 s (25°C, 90% response) |
Residual current | ≤0.1 mg/L |
Temp. compensation range | (0 to 45) °C (automatic) |
Salinity compensation range | (0 to 45) ppt (automatic) |
Barometric pressure compensation range | (66 to 200) kPa (manual) |
Automatic calibration | Air saturated by water; water saturated by air |
Electrode type | Polarogram type |
1.4. Other Technical Parameters:
Data storage | 300 groups |
Storage content | Series number, measuring value, measuring unit and temperature value |
Power | Two AA batteries (1.5V x2) |
Size and weight | Meter: (65×120×31)mm/180g; Carrying case:(360 x 270x 76)mm/1.5Kg |
Quality and safety certification | ISO9001: 2000, CE and CMC |
1.5. Working Condition:
Environment temperature | 5 to 35 °C (0.01 grade) |
Environmental humidity | ≤85% |