OTA Download Technology COD/ BOD Transmitter For Sewage Treatment Plant

Since organic matter is the most common reducing substance in water bodies, COD reflects the degree of pollution of water bodies by organic matter to a certain extent. The higher the COD, the more serious the pollution. DRFN's cod online detector is only for water quality analysis faster, simpler, environmentally friendly and comprehensive.

​​Specification:

Please click the user manual of RS485 COD controller here:

COD controller User Manual.pdf

Brief introduction:

● Compatible with all DRFN digital COD sensors;
● Separately have a list of controller and sensor settings for quick and detailed parameter setting;
● The working status of the sensor can be queried, including reading the serial number;
● Support a variety of installation methods；
● Time and historical data recording function;
● 3.2-inch large LCD screen;
● User-friendly Chinese and English language interface;
● Password can be set to prevent misoperation;
● 2 SPST multi-function and settable relays;
● Two 0/4~20mA active current loop outputs;
● RS485 interface, Modbus RTU communication protocol;
● IP66 waterproof level, sealed enclosure can isolate pollution and corrosive gas;

● OTA download technology as a smart configuration option for the instrument.

Aplication:
◇ Surface water
◇ Process water
◇ Sewage treatment plant
◇ Industrial wastewater
◇ Drinking water
◇ River

FAQ
1. Which sensors can be connected to your COD controller?
A: The COD meter can be compatible with DRFN digital COD sensors.

2. How does your COD controller collect sensor data?
A: The connected sensor uploads the detected data in a special encrypted communication method to ensure that the controller can collect high-precision data more stably

3. Does the COD controller have an ambient temperature alarm function?
Our COD controller has ambient temperature alarm function

4: How long is your delivery time?
A: Generally it is 3 days if the goods are in stock. or within 20 days if the goods are not in stock, it is according to quantity.