1、 Product Usage:

The WS-04 sewage four parameter detector mainly measures COD in sewage_CrFour parameters: total phosphorus, ammonia nitrogen, and suspended solids,Suitable for water quality testing in large, medium, and small sewage treatment plants, it can be widely used for sewage testing in industries such as industry, chemical, environmental protection, and pharmaceuticals. It is a commonly used laboratory instrument.

2、 Technical parameters:

COD：5-150-500-2500mg/L ，0.1mg/L

Total phosphorus: 0-5mg/L, 0.01mg/L

Ammonia nitrogen: 0-50mg/L, 0.01mg/L

Suspended solids: 0-200-1000ppm, 0.01/0.1ppm

Basic error：≤ 5%FS

Repeatability: ≤ 2%

Power Supply: AC 220V 50Hz

Instrument calibration

The instrument has been calibrated at the factory and can be used directly. If the user needs to recalibrate, please provide a standard solution by yourself.

3、 Product features:

1. Time saving, with short detection time for each parameter.

2. It can automatically zero and calibrate from 1 to 5 points.

3.Standard optical glass sample slots have stronger interchangeability.

4. Using semiconductor light emitters, their light sources are stable and have a long lifespan.

5.999 measurement storage function.

6. Date display function, storing one date and time at a time for easy querying.

7. Experimental results can be printed.

8. The menu is entirely in Chinese and easy to operate.