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Classic double beam UV Visible spectrophotometer

Classic double beam UV Visible spectrophotometer

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A spectrophotometer is commonly used for the measurement of transmittance or reflectance of solutions, transparent or opaque solids, such as polished glass, or gases. In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.
  • BrandLABOAO
  • ModelLU-1810D
  • PortAny port in China
  • PackagePlywood case package
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DESCRIPTION

Spectrophotometry is often used in measurements of enzyme activities, determinations of protein concentrations, determinations of enzymatic kinetic constants, and measurements of ligand binding reactions. The use of spectrophotometers spans various scientific fields, such as physics, materials science, chemistry, biochemistry,Chemical Engineering, and molecular biology.

FEATURES

1. High stability: Czerny-Turner type dual beam optical system reduces chromatic aberration and ensures long-term data stability

2. High precision: using a micrometer-scale precision lead screw to drive the grating to ensure wavelength accuracy <±0.3nm; transmittance accuracy is ±0.3%T, accuracy reaches Class I level

3. Easy to use: 5.7-inch large-screen LCD display, map, curve at a glance, simple and convenient operation, quantitative, qualitative, dynamic, DNA / RNA, multi-wavelength analysis and other special test procedures

4. Long service life: original imported xenon lamp, tungsten lamp, ensuring long life of 2 years, receiver life of up to 20 years

5. A variety of accessories: automatic sampler, micro cell holder, integrated ball diffuse reflection, 5 ° specular reflection and other accessories, to meet special requirements


Function:

1. Photometric measurement: It is convenient to measure the absorbance and transmittance of the sample at the specified wavelength. The fixed-point test can test up to 10 wavelengths at the same time.

2. Quantitative measurement: automatic establishment of standard curve, first-order / first-order zero-crossing, second-order, third-order curve simulation 3. Qualitative measurement: scanning speed 3500nm / min, map processing methods, including, scaling, smoothing, filtering, peak Valley detection, etc.

4. Kinetic measurement: calculation of enzyme kinetic reaction rate, scaling, smoothing, filtering, peak-to-valley detection, derivation, etc.

5. DNA/RNA, protein testing function, automatic calculation of sample ratio and concentration.

SPECIFICATIONS

Model

LU-T1810D, LU-T1810DPC

LU-T1810DA, LU-T1810DAPC

LU-T1810DS, LU-1810DSPC

Optical system

CT type double beam optical   system, 1200 strip / mm holographic grating splitting focal length 280nm

Wavelength range

190-1100nm

Spectral bandwidth

1.8nm

1nm

0.5,1,2,4,5nm adjustable

Wavelength accuracy

±0.3nm

Wavelength repeatability

±0.1nm

Transmittance accuracy

±0.3%T±0.002Abs0-0.5Abs; ±0.004Abs0.5-1.0Abs

Transmittance repeatability

±0.1%T±0.001Abs0-0.5Abs;±0.002Abs0.5-1.0Abs

Stray light

0.03%T, at 220nm and 360nm

Noise

±0.0004Abs

Drift

±0.0008Abs500nm, after pre-heating

Baseline flatness

±0.0008Abs

Baseline dark noise

0.05%T

Luminosity range

0200%T/-44A/09999C0-9999F

Light source

imported tungsten lamp and   deuterium lamp

Scanning speed

high/ medium/ low three   speed adjustable

Display

320X240nm Graphic LCD

Data output

USB interface, Centronics   parallel port (optional HP, Epson compatible laser, inkjet printer and micro   printer)

Power supply

90-250V/AC,50-60HZ

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