The SWQ-MS multi-parameter water quality meter allows for flexible combination and installation of various water quality sensors, with monitoring parameters including: temperature, pH, conductivity, salinity, dissolved oxygen, turbidity, chlorophyll a, blue-green algae, phycoerythrin, depth, etc. It adopts an RS485 interface and standard Modbus protocol, features low power consumption, and comes with a built-in lithium battery and internal storage, making it suitable for long-term underwater operation with stable measurement and strong anti-interference capability.
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Multi-Parameter Water Quality Meter (SWQ-MS)
Negotiable
China
Building T1, Herui Science and Technology Park, Binjiang District, Hangzhou, Zhejiang Province
0571-81956003/15322470159
+86 15030396095
market@shallow-sea.com
Product Introduction
Product Parameters
| Sensor Type | Measurement Method | Measurement Range | Accuracy | Resolution |
| Water Temperature | Thermistor Method | (-5~50)℃ | ±0.01℃ | 0.001℃ |
| pH | Glass Electrode Method | 0-14 | ±0.1 | 0.01 |
| Conductivity | Four-Electrode Method | (0~200)mS/cm | ±0.5% | 0.0001mS/cm |
| Salinity | Calculated from Temperature and Conductivity | 0~70 | ±1% | 0.01 |
| Dissolved Oxygen | Fluorescence Method | (0~50)mg/L | ±0.2mg/L | 0.01mg/L |
| Turbidity | Scattering Method | (0-4000)NTU | ±2% | 0.01NTU |
| Chlorophyll a | Fluorescence Method | (0~400)μg/L | ±5% | 0.01μg/L |
| Blue-Green Algae/ Algal Density |
Fluorescence Method | (0~100)μg/L (0~1000000)cells/mL |
±5% | 0.01μg/L lcells/mL |
| Depth | Piezoresistive Method | (0~350)m | ±0.05%FS. | 0.001m |
| Operating Temperature | -5~50℃ | |||
| Communication Method | RS485, Bluetooth | |||
| Sampling Frequency | Up to 1Hz (adjustable) | |||
| External Interface | 6-pin waterproof connector for 12V external power supply and data communication 4-pin waterproof connector for charging the built-in lithium battery Reserved interface for expanding external CTD sensors, etc. |
|||
| Storage Capacity | Default 32G TF card | |||
| Power Supply | 12V | |||
| Power Consumption | 4.2W (sampling), 1.2W (standby) | |||
| Battery Capacity | 12V, 23800mAh | |||
| Battery Life | 2.5 days (sampling every second) | |||
| Number of Sensors | 7 (including depth) | |||
| Weight | 5.0kg (in air), 1.0kg (in water) | |||
| Dimensions | Diameter 94mm × Length 850mm | |||
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