COD Measurement Instrument

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The chemical oxygen demand meter LH-C3 is suitable for testing COD/Total phosphorous/Ammonia nitrogen of surface water, underground water, drinking water, domestic sewage, and industrial wastewater.

Contact Company

Hangzhou Lohand Biological Technology Co.,Ltd

Zhejiang, China

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The chemical oxygen demand meter is a new generation multiple-in-one meter which is promoted by ourselves Hangzhou Lohand Biological Co.,Ltd in 2017. A chemical oxygen demand meter solves the problem when people detect outside without electrical power.
Introduction of meter

Code	Meanings
C11	This Means COD 0-150mg/L test item
C12	This Means COD 100-1500mg/L test item
C13	This Means COD 1000-15000mg/L test item
L22	This means Total phosphorus 0-2mg/L test item
L23	This means Total phosphorus 2-20mg/L test item
A55	This means Ammonia nitrogen 0-5mg/L test item
A56	This means Ammonia nitrogen 2-50mg/L test item
idLE	This means the meter is on standby mode
0	This means zero setting has been done or the solution’s concentration is 0
XXXX	This means the concentration of the tested solution
HHHH	This means the concentration of the tested solution is higher than the test range
LLLL	This means the concentration of the tested solution is lower than the test range
rESt	Means have not zero setting before testing
XX.X℃	Means temperature
OFF	Means turn off

Key	Meanings
ON/OFF	This means TURN ON/OFF
SWITCH	Means SWITCHOVER
ZERO	Means ZERO SETTING
READ	Means CONCENTRATION

                                                            Range
                                                            0.00～15000mg/L segmentation (COD)  0.00～50.00mg/L (Ammonia nitrogen)  0.00～20.00mg/L (Total phosphorus)
                                                        
                                                            Weight
                                                            280g（including battery)
                                                        
                                                            Light souce
                                                            Silicon diode
                                                        
                                                            Wavelength
                                                            450/520/610nm
                                                        
                                                            Precision
                                                            ±5%
                                                        
                                                            Method
                                                            Spectrophotometer
                                                        
                                                            Operating conditions
                                                            0 to 50℃,0 to 80% relative humidity (noncondensing)
                                                        
                                                            Life of battery
                                                            1.5V,more than 30h
                                                        
                                                            Size
                                                            90X70X125mm

The chemical oxygen demand meter is suitable for testing COD/Total phosphorous/Ammonia nitrogen of surface water, underground water, drinking water, domestic sewage, and industrial wastewater.