COD On-Line Automatic Analyzer EW-2100

In the aspect of monitoring water pollution and controlling emission of industrial waster water and etc, COD Water Quality On-Line Automatic Analyzer takes great effect. Currently, this kind of instruments in China generally uses chemical analysis method, which has complicated operations, long analysis time, high failure rate of instrument, and heavy burden of maintenance. All these problems become the questions which has long defied solution for dirty water monitoring.

To change this backward situation, our company draws the advanced technologies from developed countries, developing this new type of instrument, which uses physical method to measure the COD value with no need to add any chemicals. It is easy to use and has low running cost. It is safe and reliable. It is a big progress in water quality monitoring technologies in our country.

Function Characteristics:

Simple and Reasonable Structure. Continuous and Stable Running. No clogging. Little Maintenance. High Rate of Data Capture.
Sample and Analyze at Designated Time. Automatically Wash Pipes. Automatically Adjust Zero Point. Processes of Data Storage and Data Analysis are Fully Automatic.
Set the Flow Rate Interface in System. Be able to Monitor CODcr Instant Concentration and also to Monitor Total Discharge of CODcr.
High Data Security. Be able to Store 1 year Historical Data, for Review by User and Environment Protection Administration Agency at any time
Have Good Consistency Compared with Laboratory Method. Use the Water Sample at Scene to Calibrate System. High Measurement Accuracy
Use Imported Key Components (Light Source). Life of Light Source is as Long as 10 years. Reliability of Instrument is extremely Strong.
Unique Design Sampling Liquid Route System, from Root, Eliminating Hidden Problems of Measuring Error of Measuring Pump and Peristaltic Pump and aging and rupture of pump tubes, and solving clogging, delay and effect of air bubble.
Complete Protection Devices, having Alarm Functions for Liquid Leaking, Liquid Shortage, Standard Exceeding and etc. and Functions of Power Supply Failure Protection and Automatic Start when Power Supply Returns, to Ensure System Operates Safely and Normally.
Friendly Personal Interface Design. Chinese Menus. 320 × 240 Lattice LCD Display. Easy Operations.
Data Transportation: Major Unit is Equipped with Several modes of Data Interfaces, 4 ~ 20mA, RS232, RS485, Bus at Scene and etc., being able to Send CODcr Value of Designated Period to other Instruments or Control Devices.

Technical Features:

Satisfy Technical Requirement for UV Absorption Water Quality Automatic Monitoring Analyzer

Measurement Theory: Method of UV Absorption
Scope of Measurement: 0 ~ 1500 mg/L (p-potassium hydrogen phthalate); For Actual Samples, it can Extend to 15000mg/L
Repeatability: ≤±2%FS
Zero Point Drifting: ≤±2%FS
Drifting of Measurement Span: ≤±2%FS
Linearity: ≤±5%FS
MTBF: ≥720h/time
Measurement Cycle: 1 minute. Can Setup Freely
Power Supply: ~220V±10%, 50Hz, <200W
Volume: Length × Width × Height: 500 × 310 × 1550mm

Technical Merits:

System is composed of 4 Units: Duel Pump Water Sampling Unit, Strong Force Washing Unit, UV Measuring Unit and Data Processing and Controlling Unit. Good Property of being Complete Set. High Degree of Integration
Use UV Absorption Duel Wavelength Optics Method to Analyze Water Quality, no Need to Add Chemicals, no Chemical Reactions. Low Running Cost. No Troublesome Problems of Handling and Second Pollution for Waste Liquid after Measurement Containing Chromium, Mercury, Silver and etc.
Due to Usage of Method of Optics Structure of Duel Light Beam and of Duel Wavelength, it Overcomes Matrix Interference of Measured Water Sample and has High Accuracy.
Optics Measurement Method. Quick Reaction. Fast Speed of Response. It not only satisfy the requirement of charge for dirty water discharge and of total volume control, but also make user be able to observe the change in the course of dirty water recovery in time and to quickly direct the setup of technological parameters.