UV1900 Series Dual Beam UV-Vis Spectrophotometer-Shanghai Lengguang Technology Co., Ltd.

商品名称: UV1900 Series Dual Beam UV-Vis Spectrophotometer

technical parameter	Technical indicators
Instrument model	UV1901 type	UV1902 type
Metering method	Transmittance, Absorbance, Energy, Reflectance
wavelength range	190nm～1100nm
Spectral bandwidth	1nm	2nm
wavelength accuracy	±0.3nm
wavelength repeatability	≤0.1nm
Photometric range	-4A～4A
Photometric accuracy	±0.3%(T)(0～640pxT) ±0.002A(0～0.5A) ±0.004A(0.5～1A)
Photometric repeatability	≤0.001A(0～0.5A) ≤0.002A(0.5～1A)
Stray light	≤0.03%(T) （220nm 处NaI溶液）
Baseline flatness

Standard configuration items	quantity
UV-Vis Spectrophotometer Host	one tower
Instruction Manual	one nook
Product Certificate of Conformity	one serving
10mm Quartz Cuvette	two only
10mm glass cuvettes	Four only
power cable	a root
dust cover	one only
Packing List	one serving

Optional accessories	Specification
Glass (quartz) cuvettes	10mm/20mm/30mm/50mm/100mm
UV1900 long optical path sample holder
UV1900 Seven Pools
UV1900quadruple pool
UV1900reflector
UV1900solid sample holder

lUV1900 series double beam UV-Vis spectrophotometer adopts rigorous and precise double beam optical system and circuit control system design, high-quality instrument determines its high standard accuracy, repeatability, low noise and low stray light indicators and excellent stability and linear range.

lThere are two bandwidth configurations, 1nm and 2nm, suitable for different users to choose.

lThe instrument uses Hamamatsu deuterium lamp and Osram long-life halogen tungsten lamp, which is convenient for lamp source replacement.

lThe large-screen 6-inch 320×240 dot matrix digital LCD display with backlight makes the instrument easy and intuitive to operate.

lDetachable structure of the sample chamber design, users can choose measurement accessories such as reflection sample holder, solid sample holder, etc., to meet the needs of analysis and testing in different application fields.

lThe Chinese and English operating software developed under the Windows environment provides a rich and unique analysis system.

Dedicated analysis software:

UV1900 series dual-beam UV-Vis spectrophotometer special analysis software for qualitative and quantitative data processing - UVCON control software developed under Windows environment, which can control the operation of the host, including data acquisition (single-point, multi-point measurement, spectral scanning, Quantitative determination, time scanning and DNA determination) and various data processing to help complete analytical research in many fields from routine quality control to environmental protection, biochemistry, medical hygiene, and materials.

The main function:

Photometry	Simultaneous measurement of transmittance and absorbance at 1 to 6 wavelengths
Spectral measurement	Perform transmittance, absorbance, reflectance and energy spectrum scanning in the wavelength range, and can perform various data processing such as peak-valley detection, derivative calculation, spectrum calculation, etc.
quantitative measurement	Single-wavelength, dual-wavelength, three-wavelength and multi-wavelength determination; 1-9 points working curve (1-3 times) regression
Kinetic assay	Time scan of transmittance and absorbance at arbitrary wavelengths and various data calculations
data output	Data files and parameter files can be accessed, and measurement results are output in standard and common data file formats

Instrument introduction:

UV1900 series double beam UV-Vis spectrophotometer adopts rigorous and precise double beam optical system and circuit control system design, high-quality instrument determines its high standard accuracy, repeatability, low noise and low stray light indicators and excellent stability and linear range.

Instrument use:

Scientific research institutions: national quality inspection institutions for product quality inspection, quality control, inspection and quarantine of import and export commodities, scientific research institutes.

Teaching and research: applied to kinetic research, acid-base dissociation constant determination, photometric titration, etc.

Environmental monitoring: Complete monitoring of water quality, atmosphere, rainfall and soil according to national standards, and determine the content of various pollutants.

Manufacturing: Process control for industrial production and analysis of organic synthesis intermediates, analysis of additives, preservatives, and spices in food, and determination of the content of nutrients such as fat, enzymes, sugars, minerals, and vitamins in food , cosmetics, etc.

Petrochemical: Process control and finished product inspection in petrochemical production.

Hygiene and epidemic prevention: medicine and hygiene, clinical analysis, disease control analysis, trace sample testing in the field of life, human biochemical index analysis, metabolite analysis, drug analysis.

Geological survey: used in the determination of metal elements and inorganic salts in minerals, marine geological surveys, hydrological stations, etc.

Water quality analysis: water works, sewage treatment plants.

Agriculture and forestry: specific industries of agriculture and forestry, such as pesticide residue testing, crop component testing, fertilizer testing, soil component testing, plant protection, plant quarantine, etc.

Animal husbandry and fishery: used in veterinary drug testing, feed testing, animal disease prevention and control, etc.