Shen ChangHong 
Product Details
Custom Matching
GW-2000 Multi-parameter Water Quality Analyzer
1. Collecting electrode, cuvette and cuvette together.
2. Automatic wavelength selection.
3. Data will not lose even when power is cut off.
4. 5-inch large-screen color touch screen, both Chinese and English display
5. With one-click recovery function.
PH and conductivity are measured by electrochemical sensors; turbidity is measured by light scattering or scattering + transmission; others are measured by optical colorimetry.
Measurement parameters | COD, ammonia nitrogen, total phosphorus, total nitrogen, copper, iron, nickel, hexavalent chromium, phosphate, nitrite, pH, residual chlorine and more than 80 parameters, users can customize the parameters according to needs |
Wavelength | 340nm, 420nm, 440nm, 470nm, 520nm, 540nm, 560nm, 610nm, 630nm, 660nm, 680nm, 700nm (Any wavelength within the above range can be customized) |
Indication error | ≤±5 % |
Repeatability | ≤2% |
Optical stability | Absorbance drift ≤0 .002A/20min |
Dimension | 425mm×336mm×126mm |
Power | 8.5W |
Weight | 4.5kg |
Working environment | (1) Ambient temperature: 5~40℃ ⑵ Relative humidity: ≤85% ⑶ Power supply: AC 220 (165V-240V) (4) No significant vibration and electromagnetic interference, avoid direct sunlight. |
Product Features
1. Automatically select the wavelength when measuring the sample, without the need for calibration;
2. Automatically select the wavelength when measuring the sample, without the need for calibration; Large LCD screen with Chinese LCD display, easy and intuitive operation;
3. The multi-parameter water quality detector is convenient to carry for on-site testing;
4. The optical colorimetric method and electrochemical detection are implemented on one instrument, and the detection interface is displayed on the same screen;
5. With data storage function, it can store 300 curves and 1000 data with time and parameter labels;
6. In addition to the factory curve, users can add and calibrate curves themselves, and store them in the instrument;
7. Equipped with one click recovery function, it can achieve one click recovery in case of accidental loss of factory curve and user curve data records;
8. Equipped with a USB interface, it can transfer data records to a computer;
9. Equipped with a USB interface, it can transfer data records to a computer; Cold light source, narrowband interference optical system, good optical stability;
10. Data power outage protection function;
11. Rechargeable lithium battery power supply;
12. With record printing function;
13. Expandable and customized testing projects.
Measuring Item
No. | Measurement item | Measuring range | Unit | Indication error |
1 | COD(Chromium method low range) | 5-200 or 5-150 | mg/L | 5% |
2 | COD(Chromium method high range) | 200-2000 or 150-2000 | mg/L | 5% |
3 | Ammonia nitrogen(Low range) | 0.00-5.00 | mg/L | 3%(F.S) |
4 | Ammonia nitrogen(High range) | 5.00-25.00 | mg/L | 3%(F.S) |
5 | Total phosphorus(Low range) | 0.00-2.00 | mg/L | 5%(F.S) |
6 | Total phosphorus(High range) | 2.00-10.00 | mg/L | 5%(F.S) |
7 | Total nitrogen(Low range) | 0.00-10.00 | mg/L | 5%(F.S) |
8 | Total nitrogen(High range) | 10.0-100.0 | mg/L | 5%(F.S) |
9 | CODMn (Permanganate index) | 0.00-10.00 | mg/L | 0.2or 5% |
10 | Residual chlorine(Low range) | 0.00-2.00 | mg/L | 0.1or 5% |
11 | Residual chlorine(High range) | 2.0-10.0 | mg/L | 5% |
12 | Total chlorine(Low range) | 0.00-2.00 | mg/L | 0.1or 5% |
13 | Total chlorine(High range) | 2.0-10.0 | mg/L | 5% |
14 | Chlorine dioxide(Low range) | 0.00-2.00 | mg/L | 0.2or 5% |
15 | Chlorine dioxide(High range) | 2.0-20.0 | mg/L | 5% |
16 | Sulfate | 0-200 | mg/L | 5%(F.S) |
17 | Nitrate(Nitrogen) | 0.00-10.00 | mg/L | 0.1or 5% |
18 | Phosphate(Low range) | 0.00-10.0 | mg/L | 0.2or 5% |
19 | Phosphate(High range) | 10.0-50.0 | mg/L | 5% |
20 | Nitrite nitrogen(Low range) | 0.00-1.00 | mg/L | 0.05or 5% |
21 | Nitrite nitrogen(High range) | 1.0-5.0 | mg/L | 5% |
22 | Sulfide | 0.00-1.00 | mg/L | 5%（F.S) |
23 | Fluoride | 0.00-10.0 | mg/L | 5%(F.S） |
24 | Cyanide | 0.00-0.50 | mg/L | 5%(F.S) |
25 | Bromide | 0.00-5.00 | mg/L | 5%(F.S) |
26 | Formaldehyde | 0.00-2.50 | mg/L | 5%(F.S) |
27 | Volatile phenol(Low range) | 0.00-5.00 | mg/L | 5%(F.S) |
28 | Volatile phenol(High range) | 5.0-10.0 | mg/L | 5%(F.S) |
29 | Hydrazine | 0.00-0.50 | mg/L | 5%(F.S) |
30 | Aniline compound(Low range) | 0.00-1.00 | mg/L | 5%(F.S) |
31 | Aniline compound(High range) | 1.0-5.0 | mg/L | 5%(F.S) |
32 | Silica | 0.00-5.00 | mg/L | 5%(F.S) |
33 | Silicate | 0.00-6.00 | mg/L | 5%(F.S) |
34 | Total alkalinity(Low range) | 0-100 | mg/L | 5%(F.S) |
35 | Total alkalinity(High range) | 100-1000 | mg/L | 5%(F.S) |
36 | Total hardness | 0.00-500 | mg/L | 5%(F.S) |
37 | Chloride ion(Chloride) | 0.00-100.0 | mg/L | 5%(F.S) |
38 | Ozone | 0.00-2.50 | mg/L | 5%(F.S) |
39 | Anionic surfactant | 0.00-1.00 | mg/L | 5%(F.S) |
40 | Ammonium ion(Low range) | 0.00-2.50 | mg/L | 5%(F.S) |
41 | Ammonium ion(High range) | 2.5-25.0 | mg/L | 5%(F.S) |
42 | Available chlorine | 0.0-200 | mg/L | 5%(F.S) |
43 | Chlorite | 0.00-20.0 | 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) | 0.00-1.00 | mg/L | 5%(F.S) |
47 | Copper(High range) | 1.0-10.0 | mg/L | 5%(F.S) |
48 | Zinc | 0.00-5.00 | mg/L | 5%(F.S) |
49 | Trace Nickel (Low range) | 0.00-0.500 | mg/L | 5%(F.S) |
50 | Trace Nickel (High range) | 0.50-1.00 | mg/L | 5%(F.S) |
51 | Nickel | 0.00-10.00 | mg/L | 5%（F.S) |
52 | Iron(Low range) | 0.00-5.00 | mg/L | 5%（F.S) |
53 | Iron(High range) | 5.0-10.0 | mg/L | 5%(F.S) |
54 | Ferrous(Low range) | 0.00-5.00 | mg/L | 5%（F.S) |
55 | Ferrous(High range) | 5.0-10.0 | mg/L | 5%(F.S) |
56 | Hexavalent chromium | 0.00-1.00 | 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) | 0.10-1.00 | mg/L | 5%(F.S) |
60 | Manganese | 0.00-5.00 | mg/L | 5%(F.S) |
61 | Total chromium | 0.00-1.00 | mg/L | 5%(F.S) |
62 | Aluminum(Low range) | 0.00-0.50 | mg/L | 5%(F.S) |
63 | Aluminum(High range) | 0.5-5.0 | mg/L | 5%(F.S) |
64 | Silver | 0.00-1.00 | mg/L | 5%(F.S) |
65 | Molybdenum | 0.00-1.00 | mg/L | 5%(F.S) |
66 | Arsenic(Low range) | 0.00-0.500 | mg/L | 5%(F.S) |
67 | Arsenic(High range) | 0.50-5.00 | mg/L | 5%(F.S) |
68 | Beryllium | 0.00-0.10 | mg/L | 5%(F.S) |
69 | Boron | 0.00-2.00 | mg/L | 5%(F.S) |
70 | Mercury | 0.00-0.500 | mg/L | 5%(F.S) |
71 | Lead | 0.00-0.50 | mg/L | 5%（F.S) |
72 | Antimony | 0.00-10.00 | mg/L | 5%(F.S) |
73 | Barium | 0-100 | mg/L | 5%(F.S) |
74 | Color(Low range) | 0-50.0 | PCU | 3%(F.S) |
75 | Color(High range) | 50-500 | PCU | 3%(F.S) |
76 | Turbidity | 0-400 | NTU | ≤2%(F.S) |
77 | Suspended solids | 0-1000 | mg/L | ≤2%(F.S) |
78 | pH(Colorimetric method) | 5.00-8.00 | pH | 0.1±0.1pH |
79 | pH(Electrode method) | 0.00-14.00 | pH | ±0.1pH |
80 | Dissolved oxygen(Colorimetric method) | 0.0-10.0 | mg/L | 0.1±5% |
81 | Dissolved oxygen(Electrode method) | 0-20.0 | mg/L | ±0.2 |
82 | Conductivity(Electrode method) | 0.00µs/cm-199.9ms/cm | ms/cm | ±1.0% (F.S) |
