Standard reactor (12 holes digestion device), cooling trays, special solid reagents, semi-automatic dispenser increases, the number of branch-specific reaction tube, cuvette rack, printing paper. 

 Features ◆ accurate determination of surface water, water, urban sewage and industrial wastewater 
 ◆ can store 99 standard curve, self-revisions, save 
 ◆ have 3 sets of independent timing system, which can for people to use a single instrument 3 water samples digestion (optional) 
 ◆ with data storage capabilities that can store 999 data (maintain accurate measurement indicators, time, data) 
 ◆ Print the current data and all historical data 
 ◆ transmit current data to the computer and the historical data yo 
 ◆ cold light source, narrow band interference, long life light source 
 ◆ automatic correction function 
 ◆ Large-screen LCD, Chinese interface, Chinese button operation 


 Main parameters of technical indicators parameter range 

 Digestion temperature of 165 ℃ ± 1.0 ℃ 

 Digestion time 10 minutes 

 Measuring range 5-5000mg / L 
 Determination of Determination 12/25/36 20 minutes water samples support (user selectable) 
 Anti-N interference [CL-] <1000mg / L 
 [CL-] <4000mg / L (optional) 
 Precision COD = 20mg / L v <10% 
 COD = 300mg / L v <4.3% 
 LCD liquid crystal display mode