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| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | NTU |
| Type | Online Turbidity Sensor |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±5% of reading |
| Operating Temperature | 0–50 °C |
| Output Protocols | Modbus RTU over RS-485 (standard), SDI-12 (optional) |
| Enclosure Rating | IP68 |
| Power Supply | 5–12 V DC |
| Typical Current Consumption | 820 µA (RS-485, 1 Hz), 4.2 mA (SDI-12, 1 Hz) |
| Dimensions | Ø27 mm × 170 mm (sensor + 3 m cable) |
| Weight | 300 g |
| Pressure Rating | 5 bar |
| Optical Principle | 90° infrared scattered light nephelometry at 850 nm |
| Calibration Standard | Formalin-based turbidity standards per NF EN 872 (0–500 mg/L) and NF T 90-105-2 (>500 mg/L) |
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