Lianhua UV-Visible Multi-Parameter Water Quality Tester LH-3BAV12

Product Description

Introduction

The testing items are based on national industry standards, including COD - "HJ/T 399-2007", ammonia nitrogen - "HJ 535-2009", total phosphorus - "GB11893-89", and 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: Complies with 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: Unique socket type tungsten/deuterium lamp, light replacement without optical debugging, equipment maintenance is more convenient;

4) Professional 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: 74 measurement modes and 360 curves are preset, including 277 standard curves and 83 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, English 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.

Specifications

Testing parameters
Instrument name	UV Vis multi-parameter water quality tester	Instrument model	LH-3BA（V12）
Wavelength Range	（190~1100）nm	Spectral bandwidth	2.0nm
Wavelength repeatability	≤±0.2nm（190-340nm）	Wavelength accuracy	±0.5nm（190-340nm）
Wavelength repeatability	≤±0.5nm（340-1100nm）	Wavelength accuracy	±1.0nm（340-1100nm）
Stray light	≤0.2%（220nm、360nm） ≤0.5%（420nm）	Transmittance accuracy	±0.5%
Transmission density repeatability	≤0.2%	Wavelength resolution	0.1nm
Baseline flatness	≤±0.002A	Instrument noise	≤0.1%（Transmittance ratio 0%）
Data storage	12000	Instrument noise	≤0.2%（Transmittance ratio 100%）
Physical parameters
Display	7-inch color touch screen	Print	Thermal line printer
data transmission	USB	Instrument weight	12.5Kg
External dimensions	（450×341×233）mm
Environment and working parameters
Ambient temperature	（5~40）℃	Ambient humidity	Relative humidity ≤ 85% RH (without condensation)
Rated voltage	AC220V±10%/50Hz	Rated power	80W

Measurement items

Testing items	Analysis method	Range(mg/L)	Testing items	Analysis method	Range(mg/L)
COD	Rapid digestion spectrophotometry	20~15000	Ammonia nitrogen 1	Nessler's reagent spectrophotometric method	0.05~80
Ammonia nitrogen 2	Salicylic acid spectrophotometric method	0.5~50	Total phosphorus	Ammonium molybdate spectrophotometric method	0~7.5
High range of total phosphorus	Vanadium molybdenum yellow spectrophotometric method	2~100	Total nitrogen	UV spectrophotometer method	0~80
Total nitrogen	Color changing acid spectrophotometric method	0~100	turbidity	Fulmazhen spectrophotometric method	0.5~400
Suspended solids	Direct colorimetric method	0~1000	Permanganate index	Potassium permanganate oxidation spectrophotometric method	0.3~20
Nitrate nitrogen	Color changing acid spectrophotometric method	0~100	Nitrite nitrogen	Naphthalene ethylenediamine hydrochloride spectrophotometric method	0~6
Residual chlorine and total chlorine	DPD spectrophotometric method	0~1.5	phosphate	Ammonium molybdate spectrophotometric method	0~25
sulfate	Barium chromate spectrophotometric method	3~1250	fluoride	Fluorine reagent spectrophotometric method	0~12
sulfide	Methylene blue spectrophotometric method	0~6	cyanide	Isonicotinate barbituric acid spectrophotometric method	0~0.45
iron	Phenanthroline spectrophotometric method	0~50	Total chromium/hexavalent chromium	Diphenylcarbazide spectrophotometric method	0~5
chroma	Platinum cobalt color system	0~2000Hazen	zinc	Zinc reagent spectrophotometric method	0~20
copper	BCA spectrophotometric method	0~50	nickel	Dimethylglyoxime spectrophotometric method	0~40
lead	Xylenol Orange spectrophotometric method	0~5	cadmium	Cadmium reagent spectrophotometric method	0~5
manganese	Potassium periodate oxidation spectrophotometric method	0~50	silver	Cadmium reagent 2B spectrophotometric method	0~8
antimony	5-Br-PADAP photometric method	0~12	aniline	Naphthalene ethylenediamine hydrochloride spectrophotometric method	0~16
nitrobenzene	Naphthalene ethylenediamine hydrochloride spectrophotometric method	0~25	Volatile phenol	4-aminoantipyrine spectrophotometric method	0~25
formaldehyde	Acetylacetone spectrophotometric method	0~50	Trace arsenic	New silver salt spectrophotometric method	0~0.012
Total arsenic	Ag (DOC) photometric method	0~5	mercury	Dithiazone photometric method	0-2
Anionic surfactant	Methylene blue spectrophotometric method	0~2	boron	Curcumin photometric method	0~20
Iodide	Catalytic colorimetric method	≥0.01	Hydrazine hydrate	Methyl aminobenzaldehyde spectrophotometric method	0-10
carbon disulfide	Diethylamine copper acetate spectrophotometric method	0-15	Triethylamine	Bromophenol blue spectrophotometric method	0-0.4
Thiocyanate salt	Isonicotinate pyrazolone spectrophotometric method	0-15	beryllium	Chromium Tianqing S spectrophotometric method	0-40
Trichloroacetaldehyde	Pyrazolone spectrophotometric method	0-20	vanadium	Tantalum reagent (BPHA) extraction spectrophotometric method	0-100
barium	Chromate indirect spectrophotometric method	0-30	uranium	TROP-5-Br-PADAp photometric method	0-16
thorium	Uranium reagent III photometric method	0-30	cobalt	5-Chloro-2- (Pyridylazo) -1,3-Diaminobenzene spectrophotometric method	0-1.6

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UV Visible Intelligent Multi Parameter Water Quality Tester LH-3BA(V12)

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