Main feature
- LCD liquid crystal display, Chinese menu, easy to operate;
- Using potassium dichromate colorimetric method, LED light source, long service life;
- Meet two-point calibration (zero and full scale calibration);
- Direct display of COD measurements without user calculations;
- Comply with GLP specifications, support data review, deletion and printing, with a maximum storage capacity of 200 sets;
- With standard USB communication interface, it can be connected to PC;
- With power-off protection.
Technical Parameters
model |
COD-571 |
COD measurement range |
(0~150)mg/L,(0~1500)mg/L |
Basic error |
±8% |
Repeatability |
3% |
stability |
COD value changes less than 6mg/L within 20min |
power supply |
AC(220±22)V,(50±1)Hz |
Size (mm), weight (kg) |
COD-571:315×225×100,2 |
The main function
model |
COD-571 |
Measuring principle |
Potassium dichromate colorimetry |
Digestion method |
Sealed reflux digestion method (can simultaneously eliminate 21 samples) |
Digestion temperature |
(100 ~ 165) ° C |
Dissolution time |
(0~120) min |
Calibration |
Two-point calibration (calibration and full scale calibration) |
data storage |
200 sets |
View, delete, and print |
stand by |
display |
LCD |
Output Interface |
USB interface |
COD-571 (2010) Chemical Oxygen Demand (COD) Tester
Serial number |
Name and specification |
Quantity |
1 2 |
COD-571 type chemical oxygen demand (COD) analyzer |
1 set 4 |