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NTU Nephelometric Turbidity & Temperature Sensor

Post Date:

2018/12/18 16:38:00

Expired Date:

2019/03/18 23:59:59

Trade Leads Category:

Sensors/n.e.s.

Company Info

Shenzhen Week Technology Ltd.
Contact Person: Yan Zhang
Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1St Rd, Hi-Tech Park, Nanshan
City: SHENZHEN
State/Province: GUANGDONG
Country/Region: China (mainland)
Zip/Post Code: 518067


Details

NTU Nephelometric Turbidity & Temperature Sensor Optical technology :
The measure principle is based on IR nephelometry / 880 nm (ISO 7027). The sensor can be calibrated with a formazine standard solution.

The NTU sensor integrates a low-cost optical technology, with a very few maintenance and no consumables.

NTU Nephelometric Turbidity & Temperature Sensor Digitally optimised measurement technology
• IR optical sensor with optical fibre
• Range: 0-4000 NTU or 0-4500 mg/L
• Digital sensor: Modbus RS-485
• ISO 7027 compliant
• Robust and waterproof

NTU Nephelometric Turbidity & Temperature Sensor Applications
• Industrial effluent treatment
• Urban waste water treatment
• Surface water monitoring
• Drinking water
• Sanitation network

NTU Nephelometric Turbidity & Temperature Sensor Specifications

Measurement
Measurement principle Diffusion IR at 90°
Measured ranges 0 to 4000 NTU in 5 ranges: 0 - 50 NTU, 0 - 200 NTU, 0 - 1000 NTU, 0 - 4000 NTU, 
0 to 4500 mg/L.  Calibration: Range 0-500 mg/L according to NF EN 872
Range >500 mg/L according to NF T 90 105 2 AUTOMATIC
Resolution 0,01 to 1 NTU - mg/L
Accuracy < 5% of the reading
Temperature compensation via CTN
Operating temperature -10°C to + 60°C
Signal interface Modbus RS-485 (standard) and SDI-12 (option)
Maximum refreshing time < 1 second
Sensor power-supply 5 to 12 volts
Electric consumption Standby: 40 μA, Average RS485 (1 measure/second): 820 μA, Average SDI12
(1 measure/second) : 4.2 mA
Sensor
Dimensions Diameter: 27 mm; length: 170 mm
Weight 300 g (sensor + cable 3 metres)
Material PVC, Quartz, PMMA, Nickel-plated brass
Maximum pressure 5 bars
Connection 9 armoured connectors, polyurethane jacket, bare-wires or waterproof Fisher
Degree of protection IB68 up to gland

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