RS485 Online Digital COD Analyzers UV Method IP66
Brand Name:Daruifuno
Certification:CE
Model Number:DUC2-COD-H
Minimum Order Quantity:Negotiable
Place of Origin:China
Price:Negotiable
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Suzhou Jiangsu China
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Room 301, Building 3, No. 25 Datong Road, High-tech Zone, Suzhou City, JIANGSU P.R CHINA
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Product Details
RS485 Online Digital COD Analyzer UV Method For The Measurement Of COD In Water
Brief Introduction Of The COD Analyzer
The DUC2-COD-H is a digital universal COD analyzer specially designed for the measurement of the chemical oxygen demand. It is a single parameter controller. A set of embedded software is pre-installed to adapt to different DRFN COD digital sensors;
The principle of the matched COD sensor is Spectral Absorption Coefficient (SAC), by measuring the degree of absorption of ultraviolet light with a wavelength of 254 nm by organic substances, the substitution of organic substances in water can be detected.
Advantages Of The COD Analyzer
Menu password can be set to facilitate user's data confidentiality;
Clock and historical data recording functions to meet higher data management requirements;
3.2-inch display screen;
- The COD controller has a power-off protection configuration, and the parameters can be kept indefinitely;
- Consumables are not required during the measurement process;
- Can measure COD, TOC, turbidity, temperature and other parameters;
- Use two light sources, 254nm and 365nm UV reference light;
- Automatically eliminate the interference of suspended solids and compensate for the interference of turbidity.
Applications Of The COD Analyzer
River water, surface water, process water, sewage treatment plant, industrial wastewater, drinking water.
Technical Parameters
| Product Name | COD analyzer |
| Product Model | DUC2-COD-H |
| Software Version | DRFN COD analysis software V1.0 |
Display Range | 0-1000 mg/L |
Resolution | 0.01 mg/L |
Relay Control | 2 settable SPST relays max. load 3A/250VAC |
Analog Current Output | 2 settable 0/4~20mA active current loop output max. load 1000Ω |
Communication Method | Two-wire RS485 interface; MODBUS RTU; support JSON text data format |
Display Screen | 128*64 LCD |
Time History/Data Record | Year/month/day/hour/min/second, record 14000 historical data |
Protection Level | IP66 |
Operating Environment | 0～60℃, relative humidity less than 95% (no condensation) |
Storage Environment | -20～70℃, relative humidity less than 55% (no condensation) |
Shell Material | Enhanced ABS |
Size | 144*144*120mm (hole size 138*138 mm) |
Mounting Method | Wall mounting, pipe clamping, panel mounting |
Power Supply | 18 ~ 36V DC or 100~240V AC |
Weight | 800g |
Power Consumption | 12W |
| Product Name | Chemical Oxygen Demand (COD) Sensor |
| Product Model | CODuv351 |
| Measuring Principle | UV254 ultraviolet absorption method |
| Measuring Range(COD) | 0.75~370mg/L |
| Resolution(COD) | 0.01mg/L |
| Accuracy(COD) | ±2% or ±2.5mg/L, take the larger one |
| Measuring Range(TOC) | 0.3 ~150mg/L |
| Accuracy(TOC) | ±2% or ±2.5mg/L, take the larger one |
| Resolution(TOC) | 0.1mg/L |
| Measuring Range(TU) | 0-300 NTU |
| Accuracy(TU) | 3% or 0.2NTU, take the larger one |
| Resolution(TU) | 0.1NTU |
| Operating Temperature | +5 ~ 45℃ |
| Calibration | 2-point calibration |
| Protection Grade | IP68 |
| Working Pressure | 1Bar |
| Response Time | T90 max. 10s |
| Flow Rate | < 3 m/s |
| Cleaning Method | Rubber scraper |
| Power | 12V 15mA (normal), 200mA (maximum, when cleaning) |
| Output | RS485, Modbus RTU protocol |
| Dimension | Diameter 50mm, length 215mm |
| Cable Length | 10m(custom) |
| Shell Material | POM and 316L |
RS485 Online Digital COD Analyzers UV Method IP66
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