Functions:
English language menu and LCD display for easy use 
It adopts dichromate colorimetric method.

Direct reading of COD results and no need to analyze by other means such as titration.
2 point calibration (zero COD and full scale calibration)
Measuring results can be viewed, deleted and printed. Up to 200 sets of measuring data 
can be stored and it can be connected with TP-16 printer.
It adopts digestion method of sealing reflux and can conduct simultaneous digestion of
21 samples for low energy consumption.
The digestion temperature can be adjusted from ambient temperature to 165°C. Also, it
is equipped with over temperature alarming system. 
The digestion time can be set from 0 to 120 min. It will be power off after response.

Dear customer, 

We ,Xi’an Yima Opto-electrical Technology Com.,Ltd. is an integrated economic entity of R&D,manufacturing and trading with over 20 years of history . 

Our business scope covers various fields such as biochemical analysis,environmental protection,industrial testing, bioscience,medical apparatus and instruments,internet technology and some frontier science. 

Through a long-time development,we own a national resources system of various professional talents , abundant supply for various components &parts and special materials, full producing &processing equipments , strong Technological standardization and a complete quality assurance system. 

If you need OEM or ODM in manufacturing ,scientific research , market development and or you want to build your own brand in your country, it’s our honor to cooperate with you.In this way ,we have developed many products for our customers from the USA, Europe and South Africa and got good feedback on Alibaba