GW-2000E portable multi parameter water quality analyzer
Collecting electrode, colorimetric dish, and colorimetric tube in one
Automatically select wavelength
power-off protection
Equipped with one click recovery function
Working principle
PH、 Conductivity is measured using electrochemical sensors; Turbidity adopts the principle of light scattering or scattering+transmission; Others are measured using optical colorimetry.
Technical Parameter
Instrument Name |
GW-2000E portable multi parameter water quality analyzer |
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Measuring Item |
COD, ammonia nitrogen, total phosphorus, total nitrogen, copper, iron, nickel, hexavalent chromium, phosphate, nitrite PH、 More than 80 parameters, including residual chlorine, can be customized by users according to their needs. |
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Wavelength |
340nm, 420nm, 440nm, 470nm, 520nm, 540nm, 560nm, 610nm, 630nm, 660nm, 680nm 700nm.(Optional)Customize any wavelength within the above range) |
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PH、Conductivity and dissolved oxygen |
Electrode method can be selected according to needs |
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Maximum absorbance error |
0.005A |
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Range of absorbance |
-2.000~2.000 |
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repeatability |
≤3% |
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Optical stability |
The absorbance value of the instrument isDrift less than 0.002A within 20 minutes |
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reading modes |
Concentration, absorbance, and transmittance |
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Colorimetric tube |
Ø 16mm Ф25mm |
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External dimensions |
410mm×300mm×130mm |
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Instrument weight |
4Kg |
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Host power consumption |
<10W |
Product Features
When measuring samples, the wavelength is automatically selected without the need for calibration;
● LCD large screen Chinese LCD display, easy and intuitive operation;
The multi parameter water quality detector is convenient to carry for on-site testing;
Optical colorimetric method and electrochemical detection are implemented on one instrument, and the detection interface is displayed on the same screen;
●It has data storage function, which can store 300 curves and 1000 time and parameter labeled data;
●In addition to the factory curve, users can add and calibrate curves themselves, and store them in the instrument;
● It has a one click recovery function, which can achieve one click recovery when the factory curve and user curve data records are lost due to accidents;
Equipped with a USB interface, it can transfer data records to a computer;
Cold light source, narrowband interference optical system, good optical stability;
● Data power-off protection function;
● Rechargeable lithium battery power supply;
● It has the function of recording and printing;
● Scalable and customizable testing projects.
Measuring Item
Serial Number |
Measuring Item |
Measurement range |
unit |
maximum error |
1 |
COD (low range chromium method) |
5-200 or5~150 |
mg/L |
5% |
2 |
COD (High Range Chromium Method) |
200~2000 or 150~2000 |
mg/L |
5% |
3 |
Ammonia nitrogen (low range) |
0.02~5.00 |
mg/L |
3%(F.S) |
4 |
Ammonia nitrogen (high range) |
5.00~25.00 |
mg/L |
3%(F.S) |
5 |
Total phosphorus (low range) |
0.02~2.00 |
mg/L |
5%(F.S) |
6 |
Total phosphorus (high range) |
2.00~10.00 |
mg/L |
5%(F.S) |
7 |
Total nitrogen (low range) |
0.10~10 |
mg/L |
5%(F.S) |
8 |
Total nitrogen (high range) |
10~100 |
mg/L |
5%(F.S) |
9 |
CODMn (permanganate index) |
0.00~10.00 |
mg/L |
0.2 or 5% |
10 |
Residual chlorine (low range) |
0.02~2.00 |
mg/L |
0.1 or 5% |
11 |
Residual chlorine (high range) |
2.00~10.00 |
mg/L |
5% |
12 |
Total chlorine (low range) |
0.02~2.00 |
mg/L |
0.1 or 5% |
13 |
Total chlorine (high range) |
2.00~10.00 |
mg/L |
5% |
14 |
Chlorine dioxide (low range) |
0.05~2.00 |
mg/L |
0.2 or 5% |
15 |
Chlorine dioxide (high range) |
2.00~20.00 |
mg/L |
5% |
16 |
sulfate |
5~200 |
mg/L |
5% |
17 |
Nitrate (nitrogen) |
0.02~10.00 |
mg/L |
0.1 or 5% |
18 |
Phosphate (low range) |
0.01~10.0 |
mg/L |
0.2 or 5% |
19 |
Phosphate (high range) |
10.0~50.0 |
mg/L |
5% |
20 |
Nitrite nitrogen (low range) |
0.02~1.00 |
mg/L |
0.05 or 5% |
21 |
Nitrite nitrogen (high range) |
1.0~5.0 |
mg/L |
5% |
22 |
sulfide |
0.005~1.000 |
mg/L |
5%(F,S) |
23 |
fluoride |
0.05~2.0 |
mg/L |
5%(F,S) |
24 |
cyanide |
0.01~0.50 |
mg/L |
5%(F,S) |
25 |
bromide |
0.10~5.00 |
mg/L |
5%(F,S) |
26 |
formaldehyde |
0.05~2.5 |
mg/L |
5%(F,S) |
27 |
Volatile phenols (low range) |
0.20~5.0 |
mg/L |
5%(F,S) |
28 |
Volatile phenols (high range) |
5.0~10.00 |
mg/L |
5%(F,S) |
29 |
HYDRAZINE |
0.01~0.50 |
mg/L |
5%(F,S) |
30 |
Aniline compounds(Low range) |
0.03~1.0 |
mg/L |
5%(F,S) |
31 |
Aniline compounds(High range) |
1.0~5.0 |
mg/L |
5%(F,S) |
32 |
silica |
0.01~5.00 |
mg/L |
5%(F,S) |
33 |
silicate |
0.01~5.00 |
mg/L |
5%(F,S) |
34 |
alkalinity(Low range) |
0~100 |
mg/L |
5%(F,S) |
35 |
alkalinity(High range) |
100~1000 |
mg/L |
5%(F,S) |
36 |
Total hardness (low range) |
0.1~5.0 |
mg/L |
5%(F,S) |
37 |
Total hardness (high range) |
5.0~200.0 |
mg/L |
5%(F,S) |
38 |
Chloride ion(Chloride) |
0.20~100.0 |
mg/L |
5%(F,S) |
39 |
ozone |
0.01~2.5 |
mg/L |
5%(F,S) |
40 |
Anionic surfactant |
0.01~1.0 |
mg/L |
5%(F,S) |
41 |
ammonium ion |
0.20~25.00 |
mg/L |
5%(F,S) |
42 |
available chlorine |
0.0~100.0 |
mg/L |
5%(F,S) |
43 |
chlorite |
0.00~20.00 |
mg/L |
5%(F,S) |
44 |
Cyanuric acid |
0~200 |
mg/L |
5%(F,S) |
45 |
urea |
0.00~4.00 |
mg/L |
5%(F,S) |
46 |
Copper (low range) |
0.02~1.0 |
mg/L |
5%(F,S) |
47 |
Copper (high range) |
1.0~10.0 |
mg/L |
5%(F,S) |
48 |
zinc |
0.2~5.0 |
mg/L |
5%(F,S) |
49 |
nickel(Low range) |
0.02~0.50 |
mg/L |
5%(F,S) |
50 |
Nickel (high range) |
0.50~1.00 |
mg/L |
5%(F,S) |
51 |
nickel |
0.02~10.0 |
mg/L |
5%(F,S) |
52 |
Iron (low range) |
0.0~5.0 |
mg/L |
5%(F,S) |
53 |
Iron (high range) |
5.0~10.0 |
mg/L |
5%(F,S) |
54 |
ferrous(Low range) |
0.0~5.0 |
mg/L |
5%(F,S) |
55 |
Ferrous (high range) |
5.0~10.0 |
mg/L |
5%(F,S) |
56 |
hexavalent chromium |
0.01~1.00 |
mg/L |
5%(F,S) |
57 |
cadmium |
0.05~0.50 |
mg/L |
5%(F,S) |
58 |
manganese(Low range) |
0.01~0.10 |
mg/L |
5%(F,S) |
59 |
manganese(High range) |
0.10~1.0 |
mg/L |
5%(F,S) |
60 |
manganese |
0.02~5.00 |
mg/L |
5%(F,S) |
61 |
total chromium |
0.02~1.0 |
mg/L |
5%(F,S) |
62 |
aluminium(Low range) |
0.01~0.40 |
mg/L |
5%(F,S) |
63 |
aluminium(High range) |
0.40~4.00 |
mg/L |
5%(F,S) |
64 |
silver |
0.01~1.00 |
mg/L |
5%(F,S) |
65 |
molybdenum |
0.05~1.00 |
mg/L |
5%(F,S) |
66 |
Arsenic (low range) |
0.004~0.100 |
mg/L |
5%(F,S) |
67 |
Arsenic (high range) |
0.100~0.500 |
mg/L |
5%(F,S) |
68 |
beryllium |
0.001~0.10 |
mg/L |
5%(F,S) |
69 |
boron |
0.10~2.00 |
mg/L |
5%(F,S) |
70 |
mercury |
0.002~0.5 |
mg/L |
5%(F,S) |
71 |
lead |
0.01~0.50 |
mg/L |
5%(F,S) |
72 |
antimony |
0.50~10 |
mg/L |
5%(F,S) |
73 |
chroma(Low range) |
5~50 |
PCU |
3%(F,S) |
74 |
Chromaticity (high range) |
50~500 |
PCU |
3%(F,S) |
75 |
turbidity |
0~400 |
NTU |
≤2%(F.S)
|
76 |
Suspended solids |
5~1000 |
mg/L |
≤2%(F.S) |
77 |
PH (colorimetric method) |
5.00~8.00 |
PH |
0.1±0.1 |
78 |
PH (electrode method) |
0.00~14.00 |
PH |
±0.1 |
79 |
Dissolved oxygen (colorimetric method) |
0.1~10.0 |
mg/L |
0.1±5% |
80 |
Dissolved oxygen (electrode method) |
0.~20.0 |
mg/L |
±0.2 |
81 |
conductivity(Electrode method) |
0.00ms/cm~199.9ms/cm |
ms/cm |
1.0%(F,S) |
More information about the multi parameter water quality detector can be viewed in the Shenchanghong portable water quality analysis instrument.