UV Visible Intelligent Multi Parameter Water Quality Tester

UV Visible Intelligent Multi Parameter Water Quality TesterThe testing items are based on national industry standards, COD-《HJ/T399-2007》、 Ammonia nitrogen - "HJ 535-2009", total phosphorus - "GB11893-89", total nitrogen - "HJ 636-2012" The performance of the photometer meets the Level 2 requirements of the "JJG-178 Verification Regulations for Ultraviolet, Visible, and Near Infrared Spectrophotometers"

Features

1. Verification regulation: meets the Level 2 requirements of the JJG-178 Verification Regulation for Ultraviolet, Visible and Near Infrared Spectrophotometers;

2. Equipped with a multifunctional single colorimetric cell, compatible with 10mm, 20mm, 30mm colorimetric dishes and φ 16mm tube colorimetric. The upgraded limit function of the single colorimetric cell greatly improves the consistency and accuracy of sample measurement;

3. Easy maintenance: * Socket type tungsten/deuterium lamp, light replacement without optical debugging, equipment maintenance is simpler;

4. Specialized total nitrogen determination: can be used as a professional total nitrogen analyzer, with automatic switching between UV dual wavelengths, simple and easy to use, flexible and efficient, good wavelength repeatability, precise results, and direct concentration reading;

5. Preset curves: 67 measurement modes and 332 curves are preset, including 256 standard curves and 76 fitted curves;

6. Supporting reagents: well-equipped professional consumables and reagents, greatly reducing work steps and making measurements simpler and more accurate;

7. Accurate measurement: Using imported high-quality holographic gratings to further reduce instrument stray light, making instrument analysis more accurate;

8. Easy to operate: 7-inch color touch screen, user-friendly design, direct reading of concentration, Chinese display interface;

9. Data processing: It can store 12000 sets of data and can be freely viewed. It supports instant printing and can be uploaded to a computer;

10. Supporting digestion instrument: Equipped with a 30 hole dual temperature zone multi parameter digestion instrument, it can simultaneously digest water samples with two different temperature indicators, saving time.

3、 Technical parameters

1. Testing parameters

1. Instrument name:UV Visible Intelligent Multi Parameter Water Quality Tester

2. Instrument model: LH-3BA (V12)

3. Wavelength range: (190-1100) nm

4. Spectral bandwidth: 2.0nm

5. Wavelength repeatability: ≤± 0.2nm (190-340nm); ≤±0.5nm（340-1100nm）

6. Wavelength accuracy: ± 0.5nm (190-340nm); ±1.0nm（340-1100nm）

7. Stray light: ≤ 0.2% (220nm, 360nm); ≤0.5%（420nm）

8. Transmittance accuracy: ± 0.5%

9. Transmission density repeatability: ≤ 0.2%

10. Wavelength resolution: 0.1nm

11. Baseline straightness: ≤± 0.002A

12. Data storage: 12000 pieces of data

13. Instrument noise: ≤ 0.1% (transmittance 0%); ≤ 0.2% (transmittance of 99%)

2. Physical parameters

1. Display: 7-inch color touch screen

2. Printing: Thermal line printer

3. Data transmission: USB, infrared

4. Instrument weight: 25Kg

5. Dimensions: (524 × 445 × 238) mm

3. Environment and working parameters

1. Environmental temperature: (5-40) ℃

2. Environmental humidity: Relative humidity ≤ 85% RH (without condensation)

3. Rated voltage: AC220V ± 10%/50Hz

4. Rated power: 80W

4、 Measurement project

COD：

Analysis method: Rapid digestion spectrophotometry

According to the standard: HJ 399-2007

Range:

COD high range: pre made reagents: (20~15000) mg/L (segmented); Ordinary reagent: (20-10000) mg/L (segmented)

COD low range: pre made reagent: (2~150) mg/L; Ordinary reagent: (2~100) mg/L

Detection limit: COD high range 3mg/L; COD low range 0.5mg/L

Ammonia nitrogen 1:

Analysis method: Nessler's reagent spectrophotometric method

According to the standard: HJ 535-2009

Range: (0.05~80) mg/L (segmented)

Detection limit: 0.01mg/L

Ammonia nitrogen 2:

Analysis method: Salicylic acid spectrophotometric method

According to the standard: HJ 536-2009

Range: High Range: (0.5~50) mg/L; Low range: (0~2.5) mg/L

Detection limit: 0.001mg/L

Total phosphorus:

Analysis method: Ammonium molybdate spectrophotometric method

According to the standard: GB11894-89

Range: (0~7.5) mg/L (segmented)

Detection limit: 0.002mg/L

High range of total phosphorus:

Analysis method: Vanadium molybdenum yellow spectrophotometric method

According to the standard: GB/T21931.3-2008

Range: (2~100) mg/L

Detection limit: 0.5mg/L

Total nitrogen:

Analysis method: Alkaline potassium persulfate digestion UV spectrophotometry

According to the standard: HJ 636-2012

Range: (0~80) mg/L (segmented)

Detection limit: 0.1mg/L

Total nitrogen:

Analysis method: Color changing acid spectrophotometric method

Range: (0~100) mg/L (segmented)

Detection limit: 0.5mg/L

Turbidity:

Analysis method: Fumalazine spectrophotometric method

Range: (0.5~400) NTU

Detection limit: 0.5NTU

Chromaticity:

Analysis method: Platinum cobalt color system

Range: (0~2000) Hazen

Detection limit: 2Hazen

Suspended solids:

Analysis method: direct colorimetric method

Range: (0~1000) mg/L

Detection limit: 1mg/L

Permanganate index:

Analysis method: Oxidation spectrophotometry

Range: (0.3~20) mg/L

Detection limit: 0.5mg/L

Nitrate nitrogen:

Analysis method: Color changing acid spectrophotometric method

Range: (0~100) mg/L

Detection limit: 0.015mg/L

Nitrite nitrogen:

Analysis method: Naphthalene ethylenediamine hydrochloride spectrophotometric method

Range: (0~6) mg/L

Detection limit: 0.015mg/L

Free chlorine and total chlorine:

Analysis method: DPD spectrophotometric method

Range: (0~1.5) mg/L

Detection limit: 0.004mg/L

Phosphates:

Analysis method: Ammonium molybdate spectrophotometric method

Range: (0~25) mg/L

Detection limit: 0.005mg/L

Sulfate:

Analysis method: Barium chromate spectrophotometric method

Range: (3~1250) mg/L

Detection limit: 3mg/L

Fluoride:

Analysis method: Fluorine reagent spectrophotometric method

Range: (0~12) mg/L

Detection limit: 0.002mg/L

Sulfides:

Analysis method: spectrophotometric method

Range: (0~6) mg/L

Detection limit: 0.002mg/L

Cyanide Wu:

Analysis method: Iso barbituric acid spectrophotometric method

Range: (0~0.45) mg/L

Detection limit: 0.004mg/L

Iron:

Analysis method: Phenanthroline spectrophotometric method

Range: (0~50) mg/L

Detection limit: 0.004mg/L

Total chromium/hexavalent chromium:

Analysis method: Diphenylcarbazide spectrophotometric method

Range: (0~5) mg/L

Detection limit: 0.001mg/L

Zinc:

Analysis method: Zinc reagent spectrophotometric method

Range: (0~20) mg/L

Detection limit: 0.003mg/L

Copper:

Analysis method: BCA spectrophotometric method

Range: (0~50) mg/L

Detection limit: 0.01mg/L

Nickel:

Analysis method: Diketoxime spectrophotometric method

Range: (0~40) mg/L

Detection limit: 0.009mg/L

Lead:

Analysis method: Xylenol Orange spectrophotometric method

Range: (0~5) mg/L

Detection limit: 0.01mg/L

Cadmium:

Analysis method: Cadmium reagent spectrophotometric method

Range: (0~5) mg/L

Detection limit: 0.002mg/L

Manganese:

Analysis method: High oxidation spectrophotometry

Range: (0~50) mg/L

Detection limit: 0.038mg/L

Silver:

Analysis method: Cadmium reagent 2B spectrophotometric method

Range: (0~8) mg/L

Detection limit: 0.003mg/L

Antimony:

分析方法： 5-Br-PADAP 光度法

Range: (0~12) mg/L

Detection limit: 0.05mg/L

Aniline:

Analysis method: Naphthalene ethylenediamine hydrochloride spectrophotometric method

Range: (0~16) mg/L

Detection limit: 0.002mg/L

Nitrobenzene:

Analysis method: Naphthalene ethylenediamine hydrochloride spectrophotometric method

Range: (0~25) mg/L

Detection limit: 0.007mg/L

Volatile phenols:

Analysis method: 4-amino spectrophotometric method

Range: (0~25) mg/L

Detection limit: 0.005mg/L

Formaldehyde:

Analysis method: Acetylacetone spectrophotometric method

Range: (0~50) mg/L

Detection limit: 0.003mg/L

Trace arsenic:

Analysis method: New silver salt spectrophotometric method

Range: (0~0.012) mg/L

Detection limit: 0.001mg/L

Total arsenic:

Analysis method: Ag (DOC) spectrophotometric method

Range: (0~5) mg/L

Detection limit: 0.007mg/L

Mercury:

Analysis method: Dithizone photometric method

Range: (0~0.4) mg/L

Detection limit: 0.002mg/L

Anionic surfactants:

Analysis method: spectrophotometric method

Range: (0~2) mg/L

Detection limit: 0.01mg/L

Boron:

Analysis method: Curcumin photometric method

Range: (0~20) mg/L

Detection limit: 0.2mg/L

Iodide:

Analysis method: Catalytic colorimetric method

Range: ≥ 0.01mg/L

Detection limit: 0.001mg/L

Hydrazine hydrate:

Analysis method: p-methylaminobenzenal spectrophotometric method

Range: 0-10mg/L

Detection limit: 0.002mg/L

Carbon disulfide:

Analysis method: Diethylamine copper acetate spectrophotometric method

Range: 0-15mg/L

Detection limit: 0.015mg/L

Triethylamine:

Analysis method: Bromophenol blue spectrophotometric method

Range: 0-0.4mg/L

Detection limit: 0.002mg/L

Thiocyanate salt:

Analysis method: Isopyrazolone spectrophotometric method

Range: 0-15mg/L

Detection limit: 0.15mg/L

铍：

Analysis method: Chrome cyanine R spectrophotometric method

Range: 0-40mg/L

Detection limit: 0.01mg/L

Trichloroacetaldehyde:

Analysis method: Pyrazolinone spectrophotometric method

Range: 0-20mg/L

Detection limit: 0.08mg/L

Vanadium:

Analysis method: Tantalum reagent (BPHA) extraction spectrophotometry

Range: 0-100mg/L

Detection limit: 0.018mg/L

Barium:

Analysis method: Chromate indirect spectrophotometry

Range: 0-30mg/L

Detection limit: 0.06mg/L

Uranium:

Analysis method: TRPO-5-Br-PADAP photometric method

Range: 0-16mg/L

Detection limit: 0.002mg/L

Thorium:

Analysis method: Uranium reagent III photometric method

Range: 0-30mg/L

Detection limit: 0.008mg/L

Cobalt:

Analysis method: 5-Chloro-2- (Pyridylazo) -1,3-Diaminobenzene photometric method

Range: 0-1.6mg/L

Detection limit: 0.02mg/L