Welcome: U-THERM INTERNATIONAL (H.K.) LIMITED
This instrument adopts intelligent design and measurement project to automatically switch, and can accurately determine COD, ammonia nitrogen, total phosphorus, turbidity, chromaticity and extended heavy metal index of chemical oxygen demand in various water bodies.
Features
-It can exactly test chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, oil-length, chromaticity and extension heavy metal indexes in various body of water
-The instrument adopts intellectualized design and measurement project can automatically switch
-It has memory of 100 curves, 19 standard curves, 81 extensive curves, and they all can be used in different environment, different waste water and other conditions.
-As for the digestion of indoor temperature ~200℃, the users can adjust by themselves according to requirement, which has more compatibility
-It has three sets of independent timing functions, and the time can be set, modified and saved
-The instrument can be calculated and stored curves according to the standard sample
-The built-in printer can print the current data and check historical data
-USB interface can connect computer to implement online operation and can automatically generate the chart (optional)
-Cold light source, narrow band interference, and the light resource life is 100,000 hours
-Digestion power and load quantity can be adjusted automatically, and it also has intelligent constant temperature control and time delay
-Rear-mounted spectral technology is domestic initiative, which can avoid external light interference and make the test data more stable and reliable
Technical specifications
|
Measuring range |
COD: 5-50mg/L 30-6000mg/L(subsection) Ammonia nitrogen: 0.01 - 100mg/L (subsection) Total phosphorus: 0.001 - 8mg/L (subsection) Turbidity: 0-200NTU Chromaticity: 0-1000 degree |
|
Measuring error |
≦±5% |
|
Wavelength coverage |
400-700nm |
|
The number of curves |
One hundred pieces |
|
Data storage |
Five million data |
|
repeatability |
≦±5% |
|
Batch sample |
6/9/12/20/24/30/56 pieces/batches |
|
Resist chlorine interference |
{cl-} < 1200mg/l; {cl-} < 4000mg/l |
|
Temperature control range |
Indoor temperature-200℃ |
|
The temperature of digestion |
165/123±0.5℃ |
|
Time of digestion |
10/30 minutes |
|
Other testing indexes (can select any of two items) |
Lead |
Copper |
Nickel |
Total chromium |
Iron |
Zinc |
Hexavalent chromium |
|
Measuring range |
0-4mg/L |
0-2mg/L |
0-5mg/L |
0-2mg/L |
0-5mg/L |
0.02-lmg/L |
0-2mg/L |
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