Many organic compounds in water absorb ultraviolet light. The concentration of dissolved organic pollutants can be accurately measured by detecting their absorbance at 254 nm.
Model No.:
LW106D-COD（RS485）Use:
Measure COD of waterPower Supply:
Battery or External DCLoRaWAN Mode:
OTAA Class A/CCertificates:
CE,ROHS,FCC,ISO and 11 patents certificationsCustomized Support:
OEM, ODMWarranty:
1 YearReal time monitoring of anti-interference LoRaWAN Water Quality COD Sensor
Product Highlights：
1.Reagent-Free & Eco-Friendly MonitoringAdopts advanced optical measurement without any chemical reagents, eliminating secondary pollution and greatly reducing long-term operating costs.
2.Multi-Parameter Integrated DetectionSimultaneously measures COD, turbidity and temperature with automatic turbidity interference compensation, ensuring high accuracy even in complex water environments.
3.Anti-Fouling & Long-Term StabilityBuilt-in automatic cleaning brush prevents bio-adhesion and dirt coverage. Features low drift, fast response and excellent stability for long-term online monitoring.
4.Maintenance-Free & Cost-EffectiveCompact size for easy installation and integration. Maintenance-free design extends service life, minimizing manual calibration and daily operation cost.
5.Standard Digital Output & Strong AdaptabilityDigital sensor with RS-485 (Modbus/RTU) and 4-20mA output. Low-power and anti-interference design ensures stable operation in various industrial sites.
6.Most dissolved organic compounds in water have a strong absorption of ultraviolet light. By detecting their absorbance at 254 nm, we can precisely measure the concentration of dissolved organic pollutants present in water.
Water Quality COD Sensor Specification:
|
Model |
ZW-COD-PR |
|
|
Measuring principle |
Dual wavelength ultraviolet absorption method |
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|
Scale range |
COD |
Turbidity |
|
0～200mg/L equiv. KHP |
0～200NTU |
|
|
0～500mg/L equiv. KHP |
0～400NTU |
|
|
0～1500mg/L equiv. KHP |
0～1000NTU |
|
|
Precision |
0～200.0 mg/L 0～200.0 NTU 0～500.0 mg/L 0～200.0 NTU |
±5%；±0.3℃ |
|
0～1500.0 mg/L 0～1000.0 NTU |
0～1000: ±10%， 1000~1500:±5%；±0.3℃ |
|
|
Resolution |
0.1 |
|
|
Response Time |
＜30s |
|
|
BOD |
150mg/L, 450mg/L,1350mg/L |
|
|
TOC |
100mg/L, 300mg/L ,900mg/L |
|
|
Minimum detection limit |
0.2mg/L（0-200mg/L） |
|
|
0.4mg/L（0-500mg/L） |
||
|
Calibration method |
Two-point calibration |
|
|
Cleaning method |
Self-cleaning brush |
|
|
Temperature compensation |
Automatic temperature compensation (Pt1000) |
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|
Output method |
RS-485 ( Modbus/RTU )&4-20mA(Optional) |
|
|
Power supply |
12～24VDC |
|
|
Power consumption |
0.4W@12V(work）2W@12V(clean） |
|
|
Working conditions |
0～45℃，≤0.2MPa |
|
|
Storage temperature |
-5～65℃ |
|
|
Protection level |
IP68 |
|
|
Installation method |
Immersion installation;3/4 NPT
|
|
|
Sensor housing material |
316L stainless steel |
|
Packaging:
Single gross weight: 0.800 KG
Single package size: 32x14x9 cm
Product Description:
Application:
Real time monitoring of key parameters such as groundwater pH, turbidity, COD, etc. to accurately assess water quality and pollution risks, providing data support for protecting water resources.Real time monitoring of groundwater quality changes, achieving pollution warning and long-term trend analysis, ensuring water safety.
Certifications:
We are the best water quality COD sensor manufacturer and exporter in China with more than 10 years of experience. Our water COD sensor products are certified with CE and RoHS.
Production Process:
Why choose us:
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Tel : +86 18146178586
Whatsapp : +86 18146178586
Email : qui@zonewu.com
Add : 1501-3, Building F03, Phase III, Software Park, Jimei District, Xiamen City, Fujian Province, China
