Water Quality Station for turbidity and temperature - IC-SNiP-NTU-SL
The SNiP-NTU is a 'Sensor Node Integrated Package' for LoRa, LoRaWAN, FSK or CAT-M1 communication of real-time turbidity and temperature measurements for continuous water quality monitoring.
The base SNiP-NTU integrates 1x S-NODE and 1x AWQ- NTU Sensor to a site's unique network, communication and power requirements. The S-NODE can support an added 3x Sensors. The NTU Sensor is an optical sensor for the measurement of Nephelometric Turbidity.
S-NODE: SDI-12 Node
The S-NODE has been designed to support the broad suite of SDI-12 based environmental sensors. The S-NODE can support sensors with higher power requirements; a solar panel can charge either the internal lithium-ion battery or both the node and sensor can be powered by an external 12V system (e.g. battery or mains source). The S-Node's SDI-12 communications can be customised to allow for interfacing with any SDI-12 sensor.
A decoder suitable for TTN will be provided based upon sensor configuration.
Specifications
AWQ-NTU Sensor Specifications
- Measurement Principle: Diffusion IR at 90 degrees
- Measure range: 0 to 50 NTU/0 to 200 NTU/ 0 to 1000 NTU/0 to 4000 NTU/automatic
- Calibration: Range 0-500 mg/L according to NF EN 872. Range less than 500 mg/L according to NF T 90 105 2
- Resolution: 0.01 to 1 NTU mg/L
- Accuracy: less than +/- 5%
- Temperature Measurement: NTC Thermistor
- Interface: Modbus RS-485 (standard); SDI-12 (optional)
- Measurement Frequency: 1Hz
- Power Requirement: 5 to 12 volts DC
- Standby Current Draw: 40 ?A
- Average RS485 Draw (1 measurement/second): 820 uA
- Average SDI12 Draw (1 measurement/second): 4.2 mA
- Current Pulse: 500 mA
- Operating Temperature: 0 C to 50 C
- Storage Temperature: -10 C to 60 C
- Dimensions: Diameter: 27 mm; length: 170 mm
- Weight: 300g (sensor and 3 meter cable)
- Construction: PVC, DELRIN, Quartz, PMMA, Polyamide
- Maximum Pressure: 5 bar
- Connection: 9 armoured connectors, polyurethane jacket, bare-wires or waterproof Fischer connector
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