Visible Spectrophotometer LVS-A30

Visible Spectrophotometer LVS-A30 is single beam, blazed holographic optical system with 320 to 1100 nm wavelength range, and offers spectral bandwidth of 2.0 nm. Designed with Large LCD display (128 × 64 Dots), it display curve and high quality grating, detector and lamps. Features with T, A, C work mode and Tungsten lamp & Deuterium lamp (Pre-aligned). Designed with holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light. It offers high accuracy, good reproducibility and stability of measurement reading instrument.

Wavelength range 320 to 1100 nm
Spectral bandwidth 2.0 nm
Wavelength Accuracy ± 0.8 nm
Wavelength Repeatability ≤ 0.3 nm
Optical system Single beam, blazed holographic Grating (1200 lines/mm)
Photometric Range 0 to 200 %T, -0.3 to 3 A, 0 to 9999 C
Photometric Accuracy ± 0.002A (0 to 0.5A), ±0.004 A (0.5 to 1A), ±0.5 % T (0 to 100% T)
Photometric Repeatability ≤ 0.001A (0 to 0.5 A), ≤0.002A (0.5 to 1A), ≤0.2 % T (0 to 100% T)
Detector Silicon Photocell
Stray light ≤ 0.1% T (220/360 nm)
Noise ≤0.2 % T/3 min (250/500 nm, 0% T), ≤ 0.5% T/3 min (250/500 nm, 100% T)
Scan speed High, Medium, Low, Max. 2000 nm/minute
Baseline flatness ± 0.003 A
Stability ± 0.002 A/h (500 nm, 0A)
Sample compartment Accommodates 5 to 100 nm Path length cuvette
Lamps Tungsten lamp & Deuterium lamp (Pre-aligned)
Display Graphic LCD (128 × 64 Dots)
Keyboard 22 key Numeric membrane keyboard
Output Port USB Port & RS232 Port
Printer Mini Serial Printer, PC printer
PC software Optional PC scanning software
Dimension 490 × 390 × 280 mm
Power supply AC 90 to 250 V, 50/60 Hz
Gross weight 16 kg
  • The holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light
  • Designed with Large LCD display (128 × 64 Dots)
  • Sample compartment accommodates 5 to 100 nm Path length cuvette
  • Equipped with USB Port and RS232 Port
  • Auto setting WL, auto Blank
  • Lamps can be turned on/off individually
  • Adopts microprocessor control technology, qualitative analysis of substances in the visible spectrum, High accuracy of measurement readings, good stability
  • Automatic light gate technology, no need blackbody, to protect the photoelectric sensor
  • Reinforced baseboard and bracket assures durability

Visible Spectrophotometer is used in high requirement for precision measurement in the research and production of organic chemistry, biochemistry, medical testing, food testing, environmental protection, water testing industries, etc.

Related Products of Visible Spectrophotometer

Labtron provides extensive range of visible spectrophotometer LVS series which can operate over a wavelength range of 320-1100nm. It brings unmatched performance with outstanding accuracy and precision.

Wavelength Range 320 ~ 1100 nm
Spectral Bandwidth 4 nm
Wavelength Accuracy ± 0.5 nm
Wavelength Repeatability ≤ 0.2 nm
Wavelength Range 320 ~ 1000 nm
Spectral Bandwidth 2 nm
Wavelength Accuracy ± 0.5 nm
Wavelength Repeatability ≤ 0.2 nm
Photometry Single Beam
Monochromatic Type Czerny-Turner
Wavelength range 340 to 1000nm
Spectral bandwidth 5 nm
Wavelength Range 330 to 1000 nm
Spectral Bandwidth 5 nm
Wavelength Accuracy ± 2 nm
Wavelength Repeatability ≤ 1.0 nm
Wavelength Range 335 ~ 1000 nm
Spectral Bandwidth 4 nm
Wavelength Accuracy ± 2 nm
Wavelength Repeatability 1 nm
Wavelength Range 325 ~ 1000 nm
Setting Wavelength Automatic
Spectral Bandwidth 2 nm
Wavelength Accuracy ± 1.0 nm
Photometry Single Beam
Monochromatic Type Czerny-Turner
Wavelength range 325 to 1000nm
Spectral bandwidth 2 nm
Illumination d/8 (Diffused lighting, 8° observation angle)<br/> SCS optical engine (light splitting and integration system)<br/> ETC (real time calibration technology )<br/> SCI (specular reflection included) & SCE(specular reflection excluded) simultaneous measurement
Repeatability Light splitting reflectivity:standard deviation within 0.08%<br/> Color values:ΔE*ab<=0.03(After calibration, standard deviation of 30 measurements on test white board, 5 second intervals)<br/> Maximum:0.05
Sensor Blue light enhanced sensor array
Size of integrated sphere 40 mm, alvan diffused reflection surface coating
Illumination 45/0 (45 ring shaped illumination,0° observation angle)
Repeatability Light splitting reflectivity:standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum:0.05
Sensor High sensitivity silicon photodiode
Test angle 60°
Illumination 45/0 (45 ring shaped illumination,0° observation angle)
Repeatability Light splitting reflectivity:standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum:0.05
Sensor High sensitivity silicon photodiode
Test angle -
Wavelength Range 900 nm to 2500 nm
Wavelength Accuracy ≤ 0.2
Wavelength Reproducibility ≤ 0.05
Bandwidth 8 nm
Excitation Source 150 W Xenon Lamp
Excitation Wavelength 200 nm to 900 nm
Excitation Slit 1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Emission Slit 1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Light source 150 W Xenon lamp
Excitation wavelength 200 nm to 900 nm
Emission wavelength 200 nm to 900 nm
Excitation slit 2 nm, 5 nm, 10 nm, 20 nm
Light source 150 W Xenon lamp
Excitation wavelength 200 nm to 900 nm
Emission wavelength 200 nm to 900 nm
Excitation slit 2 nm, 5 nm, 10 nm, 20 nm

Nano Spectrophotometer

We produce a wide range of Nano spectrophotometer for qualitative and quantitative analysis of DNA/RNA in the sample. Our product is highly sensitive and requires only 0.5-2µl of sample for analysis.

Wavelength range 230 nm, 260 nm, 280 nm
Path length 1.0 mm, 0.2 mm
Minimum Sample size 0.3 - 2.0 µl
Absorbance range 0.2 - 75A (10 mm equivalent absorbance)
Wavelength range 200 - 850 nm
Path length 1 mm, 2 mm, 5 mm, 10 mm
Wavelength accuracy ± 1 nm
Wavelength Resolution 2 nm (FWHM at Hg 546 nm)
Wavelength range 200 - 800 nm
Path length 0.2 mm (For high concentration measurement); 1.0 mm (For ordinary)
Wavelength accuracy ± 1 nm
Wavelength Resolution ≤ 3 nm (FWHM at Hg 546 nm)

Atomic Absorption Spectrophotometer

Labtron Atomic Absorption Spectrophotometer makes use of the modern in technology. It is acquired after thorough research into the desires of the diagnostic community. It has all the power, performance and speed necessitated in today’s modern laboratory.

Wavelength range 190 - 900 nm
Spectral Bandwidth 0.2 nm, 0.4 nm, 0.7 nm, 1.4 nm, 2.4 nm, 5.0 nm
Wavelength accuracy ≤ ± 0.5 nm
Wavelength repeatability ≤ 0.3 nm(single direction)
Wavelength range 180 - 900 nm
Spectral Bandwidth 0, 0.2, 0.4, 1.0, 2.0nm (Automatic setting)
Wavelength accuracy ≤ 0.15 nm
Wavelength repeatability ± 0.1 nm
Working spectral range 190 to 900 nm
Spectral Bandwith 0.1, 0.2, 0.4, 1.0 and 2.0 nm
Wavelength accuracy ± 0.15 nm
Wavelength repeatability ≤ 0.04 nm