SJG-705B online multi-parameter water quality monitor
Features: 1. Support the measurement of pH, conductivity, dissolved oxygen, turbidity and temperature; 2. pH, conductivity, and dissolved oxygen all have temperature test functions; 3. Using 7-inch color LCD touch screen, Chinese interface, easy to operate; 4. With upper and lower limit alarm function, one of the four parameters can be selected; 5. Support continuous measurement mode; 6. Support the automatic saving of measurement data, support the storage and retrieval of massive historical data; 7. With RS-232 or RS-485 communication interface to realize data upload; 8. Suitable for wall-mounted installation; 9. Turbidity measurement is equipped with a dedicated turbidity measuring cell 10. Optional flow cell. Technical Parameters: 1.pH Measuring range: (0.00～14.00)pH Basic error of the instrument: ±0.02pH±1 digit Instrument stability: ±0.1pH/24h Instrument repeatability: no more than 0.01pH Electronic unit error: ±0.01pH±1 digit Electronic unit stability: ±0.02pH /24h 2. Conductivity Measuring range: 0.000 μS/cm～0.199 μS/cm 0.20 μS/cm～1.99 μS/cm 2.0 μS/cm～19.9 μS/cm 20 μS/cm～199 μS/cm 0.20 mS/cm～1.99 mS/cm 2.0 mS/cm～19.9 mS/cm Instrument basic error: ±2.0% (FS) Instrument repeatability: no more than 1.0% (FS) Instrument stability: ±1.0% (FS)/24h Electronic unit error: ±1.0% (FS) Electronic unit stability: ±0.5% (FS)/24h 3. Turbidity Measuring range: (0.00～1000.0)NTU Instrument indication error: ±10% Repeatability: 2% Zero drift: ±1.5%(FS)/30min; ±3%(FS)/24h Range drift: ±5%(FS)/24h Indication stability: ±1.5%(FS)/30min Linearity error: ±2% (FS) 4. Dissolved oxygen a. Measuring range Concentration: (0.00～20.00)mg/L Saturation: (0.0～200.0)% b. Basic error of the instrument Concentration: ±0.30mg/L Saturation: ±10% Instrument repeatability: 0.15 mg/L Instrument stability: (±0.20 mg/L)/24h Electronic unit error: a. Concentration: ±0.20mg/L b. Saturation: ±5% (FS) Electronic unit stability: (±0.10mg/L)/24h Power supply: (220±22)V; (50±1)Hz Dimensions (mm): 285×205×97 Weight (kg): 3
Features: 1. Support the measurement of pH, conductivity, dissolved oxygen, turbidity and temperature; 2. pH, conductivity, and dissolved oxygen all have temperature test functions; 3. Using 7-inch color LCD touch screen, Chinese interface, easy to operate; 4. With upper and lower limit alarm function, one of the four parameters can be selected; 5. Support continuous measurement mode; 6. Support the automatic saving of measurement data, support the storage and retrieval of massive historical data; 7. With RS-232 or RS-485 communication interface to realize data upload; 8. Suitable for wall-mounted installation; 9. Turbidity measurement is equipped with a dedicated turbidity measuring cell 10. Optional flow cell.
