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Optical COD BOD TOC Sensor Probe Water Online Analyzer
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PUVCOD-900 Spectrometer Organic Optical COD BOD TOC Sensor Probe Water Online Analyzer Factory


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Fuzhou Probest Intelligent Technology Co., Ltd.
Fujian, China
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Principle of Measurement
Based on the UV absorption reaction by organic matter, the PUVCOD-900 Spectrometer Organic  On-Line Analyzer uses the 254 nm spectral absorption coefficient SAC254 to measure the content of soluble organic compound in the water, and it can be converted to COD or BOD values under certain conditions. This method allows continuous monitoring without any reagents.

Model UVCOD-900
Brand PROBEST
Code 90268090
Measuring Range COD (using KHP calibration):0~2000mg/l COD (2mm) 0~1000mg/l COD (5mm);0~90mg/l COD (50mm) BOD (using KHP calibration):0~1500mg/l BOD(2mm) 0~750mg/l BOD(5mm);0~60mg/l BOD(50mm)
Accuracy ±5%
Repeatability ±2%
Pressure Range ≤0.4Mpa
Sensor material Body:SUS316L(fresh water),Titanium alloy(Ocean marine);Cable:PUR
Power Supply AC:85-500VAC (50/60HZ) DC:9~36VDC
Output 3-way 4-20mA
Relay Three-way relays, programmed response parameter and response value.
Communication protocol MODBUS RS485
Storage temperature -15-50℃
Measuring temperature 0-45℃(Non-freezing)
Dimensions Sensor:Diam 69mm*Length 380mm Transmitter:145*125*162mm(L*W*H)
Weight Sensor:3.2KG;Transmitter:1.35KG
Protective rate Sensor:IP68/NEMA6P;Transmitter:IP65/ NEMA4X
Cable length Standard:10m,the maximum may be extended to 100m

Continuous monitoring of organic load during sewage treatment, online real-time monitoring of influent and effluent water quality of wastewater treatment plants
Continuous online monitoring of surface water, industrial effluent, and fishery wastewater.

  1. Direct-immersion probe measurement without taking sampling and pretreatment;
  2. No chemical reagents, no secondary pollution;
  3. Short response time for continuous measurement
  4. The sensor has an automatic cleaning function to reduce maintenance time.

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