This instrument, a simple, fast and practical experimental instrument, uses national standard method: alkaline potassium persulfate digestion ultraviolet spectrophotometric method (GB/T11894-1989).
Features
-It can accurately and rapidly test total nitrogen in water, and directly read the concentration
-It can test the ultraviolet spectroscopy, with simple and quick operation
-Among the memory of 100 curves, five of them are standard curves which do not need to adjust, other curves can be modified and saved by users
-The built-in printer can print the current data and check historical data
-USB interface can connect the computer making online operation (optional)
Technical specifications
Measuring range |
0.01-100mgA (subsection) |
Measuring error |
≦±5% |
repeatability |
±5% |
The number of samples |
12/20/24/25/30 pieces/batches |
Data storage |
Five million |
Temperature control range |
Indoor temperature-200℃ |
The temperature of digestion |
122℃±0.5℃ |
Product size |
400x300x130mm |
Weight |
3.7Kg |