| Customization: | Available |
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| After-sales Service: | 24-hour online service,free accessories |
| Warranty: | 2 years |
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Highly accurate multi-parameter water quality analyzer with 8 measurement functions. They can custom setup a menu with 15 function parameters; the instrument is suitable for laboratory measurement of sample pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity, dissolved oxygen concentration and saturation.
pH Mode Characteristics:
Highly accurate multi-parameter water quality analyzer with large backlit LCD.
1 to 5 point calibration, automatic recognition of USA, NIST, DIN standard buffers.
Automatic electrode diagnostics, display pH slope and zero offset.
| Model | MWQ-B900 | MWQ-B901 | MWQ-B902 | MWQ-B903 | MWQ-B904 | |
| pH | Range | -2.000~20.000pH | - | |||
| Resolution | 0.001, 0.01, 0.1pH, selectable | - | ||||
| Accuracy | ±0.002pH | - | ||||
| Calibration Points | 1 to 5 points | - | ||||
| pH Buffer Options | USA, NIST, DIN, 2 custom buffers | - | ||||
| ORP | Range | ±1999.9mV | - | |||
| Resolution | 0.1, 1mV, selectable | - | ||||
| Accuracy | ±0.2mV | - | ||||
| Calibration Points | 1 point | - | 1 point | 1 point | - | |
| Ion | Range | 0.001~19999 (depending on the range of ISE) | - | - | - | - |
| Resolution | 0.001, 0.01, 0.1, 1 | - | - | - | - | |
| Accuracy | ±0.5% F.S. (monovalent), ±1% F.S. (divalent) | - | - | - | - | |
| Measurement Units | ppm, mg/L, mol/L, mmol/L | - | - | - | - | |
| Calibration Points | 2 to 5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000) | - | - | - | - | |
| Conductivity | Range | 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm | - | 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm | ||
| Resolution | 0.001,0.01,0.1,1 | - | 0.001,0.01,0.1,1 | |||
| Accuracy | ±0.5% F.S. | - | ±0.5% F.S. | |||
| Calibration Points | 1 to 5 points | - | 1 to 5 points | |||
| Calibration Solutions | 10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm | - | 10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm | |||
| Temperature Coefficient | Linear (0.0~10.0%/°C), pure water | - | Linear (0.0~10.0%/°C), pure water | |||
| Reference Temperature | 20/25°c | - | 20/25°c | |||
| Cell Constant | K=0.1, 1, 10 or custom | - | K=0.1, 1, 10 or custom | |||
| TDS | Range | 0~10.00, 100.0, 1000ppm, 10.00, 200.0ppt | - | 0~10.00, 100.0, 1000ppm, 10.00, 200.0ppt | ||
| Resolution | 0.01,0.1,1 | - | 0.01,0.1,1 | |||
| Accuracy | ±1% F.S. | - | ±1% F.S. | |||
| TDS Factor | 0.1~1.0 (default 0.5) | - | 0.1~1.0 (default 0.5) | |||
| Salinity | Range | 0.00~42.00psu, 0.00~80.00ppt | - | 0.00~42.00psu, 0.00~80.00ppt | - | 0.00~42.00psu, 0.00~80.00ppt |
| Resolution | 0.01 | - | 0.01 | - | 0.01 | |
| Accuracy | ±1% F.S. | - | ±1% F.S. | - | ±1% F.S. | |
| Resistivity | Range | 0.00~20.00MΩ | - | 0.00~20.00MΩ | - | 0.00~20.00MΩ |
| Resolution | 0.01 | - | 0.01 | - | 0.01 | |
| Accuracy | ±1% F.S. | - | ±1% F.S. | - | ±1% F.S. | |
| DO | Range | 0.00~20.00mg/L, 0.0~200.0% saturation | - | - | 0.00~20.00mg/L, 0.0~200.0% saturation | 0.00~20.00mg/L, 0.0~200.0% saturation |
| Resolution | 0.01mg/L, 0.1% | - | - | 0.01mg/L, 0.1% | 0.01mg/L, 0.1% | |
| Accuracy | ±0.2mg/L, ±2.0% | - | - | ±0.2mg/L, ±2.0% | ±0.2mg/L, ±2.0% | |
| Calibration Points | 1or 2 points | - | - | 1or 2 points | 1or 2 points | |
| Barometric Pressure Correction | 60.0~112.5kPa/ 450~850mmHg, manual | - | - | 60.0~112.5kPa/ 450~850mmHg, manual | 60.0~112.5kPa/ 450~850mmHg, manual | |
| Salinity Correction | 0.0~50.0g/L, manual | - | - | 0.0~50.0g/L, manual | 0.0~50.0g/L, manual | |
| General Spec. | Temperature Compensation | 0~100°C/32~212°F, manual or automatic | ||||
| Memory | 500 data sets, USB communication interface | |||||
| Power Requirements | DC5V power adapter | |||||
| Sizes(W×D×H) | 210×188x60 | |||||
| Shipping Size (W×D×H)(mm) | 300x250x200 | |||||
| N.W./G.W. (kg) | 1.5/2 | |||||
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