Standard COD Digester

Measurement range: 0–1000 mg/L, 0–10000 mg/L (with sample dilution)
Measurement time: ≤ 2 hours
Measurement error: Potassium hydrogen phthalate standard solution (500 mg/L), relative standard deviation ≤ 5.0%

Industrial organic wastewater (500 mg/L), relative standard deviation ≤ 8.0%
Ambient temperature: 5–40°C

Standard COD Digester

The instrument uses microcomputer technology to control the heating electric hotplate with timing, allowing simultaneous heating of five digestion flasks. This achieves energy savings and reduces power load.

The instrument uses a glass thorn reflux condenser instead of a spherical reflux condenser and employs air cooling technology instead of tap water cooling, which conserves water.