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Digital Optical IR Suspended Solid Sensor IP68 Based On IR Absorption
The measuring principle of the digital IR suspended solid sensor is based on the mitigation of the Infra-Red signal in 870 nm through an optical path of 5mm. The sensor delivers measures in Suspended Solid (g/l), Turbidity (FAU) and Sludge Blanket detection in % of transmission IR. For better precision, the optics of the sensor are regulated in temperature.
For a measure of Suspended Solid, the sensor is directly calibrated on the material to be measured (sample of sludge).In the Turbidimeter version, the sensor delivers measures on a range of 0-4000 FAU ( Formazine Attenuation Unit) and is calibrated with solutions of Formazine. Temperature: measures and regulation of optics via CTN.
Application Of The IR Suspended Solid Sensor
Dredging site (turbidity)
Advantages of The IR Suspended Solid Sensor
Digital communication Modbus RS485 protocol
Can be connected to all devices commonly used
Strong sensor
Technical Characteristics
| Product Name | IR Suspended Solid Sensor |
| Product Model | MES5 |
Measure Principle(SS) | Optical IR (870 nm) based on IR absorption |
Measure Ranges (SS) | SS : 0-50 g/L Turbidity : 0-4000 FAU Sludge blanket : 0-100 % |
Resolution | SS: 0.01 g/L Turbidity: 0.01~1 FAU Sludge blanket: 0.01~0.1 % Temperature:0.01℃ |
Accuracy | SS< 10 % Turbidity: ±5% (range 200-4000 FAU) Sludge blanket: ±2% Temperature:±0.5℃ |
Response Time | <35 seconds |
Temperature Measure Principle | NTC |
Working Temperature | -5.00 °C~60.00°C |
Storage Temperature | -10°C ~+60°C |
Signal Interface | Modbus RS485 or SDI12 |
| Refreshment of the measure | Maximum < 1 seconde |
| Power Supply | 5~28V |
Dimensions | Diameter: 25 mm; Lenght: 146 mm |
| Weight | 750g(sensor) |
Material | DELRIN |
Maximum Pressure | 5 bars |
Protection Grade | IP68 |
Connection | 9 armoured connectors, polyurethane jacket, bare-wires or waterproof Fisher connector |
Electric Consumption | Standby: 25 μA(5V) Average RS485 (1 measure/ seconde) : 4.5 mA(5V) Average SDI12 (1 measure/ seconde) : 4.5 mA(5V) Current pulse: 100 mA during 30mS Heating times: 100mS |
Dimensions Of The IR Suspended Solid Sensor
Wiring Diagram Of The IR Suspended Solid Sensor
