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Multi-parameter Water Analyzer
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Hangzhou Lohand Biological Technology Co.,Ltd
Zhejiang, China
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Multiple & portable water quality instrument LH-M900 adopts the method of spectrophotometry, which supports the wavelengths of 420nm, 470nm, 520nm, and 620nm, and can support multiple parameter detection. Many experiments show that this method is simple, quick, and sensitive. The instrument is small in size, light, and easy to carry, suitable for field and work field use. By adopting imported sensors, advanced optical systems, and expanding the measuring range of the colorimeter, the time needed for sample dilution is saved. Test items can be freely matched according to customer requirements. 

Multi-parameter water analyzer
Test item 
Range: Mg/L 
Ozone 
0-2.5 
Nitrite 
0.003-0.3 
Nitrate 
0-40 
Phosphate 
0-2 
Dissolved Oxygen 
0-20 
Sulfide 
0.004-1 
Chlorine Dioxide 
0-5 
Ammonia Nitrogen 
0-50 
0-2 
 
 
pH 
6.5-9 
Residual Chlorine  
0-12 
0-3 
 
 
Total Chlorine  
0-12 
0-3 
 
 
Urine 
0-20 
Total Iron 
0.02-3.00 
Total Chromium 
0.004-1 
Hexavalent chromium 
0.004-1 
Total Copper 
0.05-4 
Total Zinc 
0.05-2.5 
Total Nickel 
0.05-5 
Total Manganese 
0.2-9 
Fluoride 
0-2 
Cadmium 
0-2 
Total Cyanide 
0.002-5 
Aniline 
0.001-2 
Volatilize 
0.05-2.5 
The test reagent is an irritant, please do not touch it directly. According to the operation specification, wearing gloves and protective glasses is necessary. In case of touching any chemicals, rinse thoroughly with water. Please understand the test procedure in detail and pay special attention to the hazard information tips. Read the product instructions before use, and follow the instructions carefully. Any unsatisfactory operation may cause injury to the operator or damage to the instrument. If you have any questions about the reagent or operation process, please contact us.
Note: Please keep chemical reagents away from minors.
Hazard information tips: In case of multiple hazards, the slogans (danger, warning, and attention) will be used in this manual to avoid the hazards as much as possible.
Danger refers to a potentially dangerous situation, if not avoided, may cause death or serious injury.
The warning refers to a potentially dangerous situation that may cause minor or moderate injuries.
Attention refers to the information that requires special attention.
A warning label should be pasted on the instrument label, the carelessness may cause damage to the operator or instrument. 

Absorbance measuring range 0-3.0 Abs
Stability of optical path ≤±0.005Abs/30min
Absorbance resolution 0.001Abs
Wavelength 420nm, 470nm, 520nm 620nm
IP Class IP65 above
Operating repeatable ≤±0.01Abs
Optical filter life 5 years
Rated capacity 0.3W
LED operating life 100000 hours

The instrument has been used in various environmental protection bureaus, factory wastewater discharge detection, aquaculture, lake and bay detection, river regulation, and laboratory scientific research detection field.

Advantages 
1. Novel type, beautiful form 
2. Professional optical path design, and reliable optical performance.  
3. Small size, lightweight, the protection grade is above IP65, 
4.1.69 inch OLED screen, can choose Chinese/English operation interface, 
5.5 touch key, Acrylic protective panel, long lifetime, 
6. Manually store the test results, save memory space, 
7. The meter simulates a USB flash drive, can store more than 5000 records, is convenient to check documents, and is easy to operate, 
8. A variety of ways to supply power. USB & battery power supply.

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