Product CODG-3000 Online Chemical Oxygen Demand(COD) Analyzer

Standard

Water Quality– Chemical oxygen demand Measurement- Potassium dichromate

Measuring range

5-1500 mg/L;100~5000mg/L;500~15000mg/L COD;

Accuracy

≤±10% when ≥100mg/L; ≤±8mg/L when ＜100mg/L

Repeatability

≤±10% when ≥100mg/L; ≤±6mg/L when ＜100mg/L

Value error

≤±10% when ≥100mg/L; ≤±6mg/L when ＜100mg/L

Measurement period

The minimum measurement period is 35 minutes, according to the actual water sample, The digestion time can be modified from 10 to 120 minutes.

Sampling period

Time interval(55~9999min adjustable by yourself) and

Integral time measurement mode;

Calibration period

Adjustable in 1~99days;

Maintenance period

Usually one time per month and 30 minutes each time 

Output

4~20mA( 2 ways) RS232,RS485

Ambient requirement

It should be indoor and temperature can be adjustable.The recommend temperature is +5~28℃;humidity≤90%(no dew)

Power

AC220±10% V，50±10% Hz，5 A;

Dimension size

Height 1450×Width510×Length 450 mm;

Data saved

The data can be saved when abnormal alarms and power off.

Display

Touch screen and Command Input

Other

When Reset after abnormal alarm and power on after off, the instrument automatically discharges residual reactants in the instrument and automatically resumes working status.