1、 Product Usage:

The SD-1A tester is suitable for detecting nitrite nitrogen, nitrate nitrogen, ammonia nitrogen, and total nitrogen concentrations in large, medium, and small water plants, industrial and mining enterprises, domestic or industrial water, in order to control water quality to meet the specified water quality standards.

2、 Technical parameters:

IIIProduct features:
1. Microcomputer, touch sensitive keyboard, clear LCD digital display, easy to use.

2. Adopting the principle of photoelectric colorimetry based on spectrophotometry, it is convenient to use reagents. The water sample can be read within a few minutes after being placed in the reagent for reaction. The reagent is packaged in a convenient drip bottle.
3. Our company's specially designed LED light source automatic control circuit ensures stable light source and solves the problem of preheating during startup. Its light source has a lifespan of up to 20 years and can be used directly without preheating when turned on.

4. The host is equipped with a high-power battery, which can be used for quantitative measurement in the field. It can be used continuously for 4 hours and is ready to charge.

5. The instrument stores calibration curves within the full range, with power-off protection, and calibration data will not be lost. It can automatically zero and calibrate at 5 points, with non-linear processing and data smoothing functions. The minimum reading of the instrument is 0.001mg/L.

6. Advanced technology, in compliance with the national standard GB/T5749-2006 for drinking water hygiene.