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Visible Spectrophotometer LVS-A20

Visible Spectrophotometer LVS-A20

Visible Spectrophotometer LVS-A20 is single beam bench top device with 340 to 1000 nm wavelength range, and offers spectral bandwidth of 5 nm. Features with T, A, C photometric working mode and Czerny-Turner monochromator type unit. Designed with holographic blazed grating monochromator it has the advantage of high wavelength accuracy, good monochromaticity and low stray light. The high accuracy and good reproducibility and stability of measurement reading instrument.

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Photometry Single Beam
Monochromatic Type Czerny-Turner
Wavelength range 340 to 1000nm
Spectral bandwidth 5 nm
Wavelength Accuracy ± 2nm
Wavelength Repeatability ≤ 1 nm
Focal length 160 mm
Photometric Range 0 to 100.0 %T 0 to 1.999 A 0 to 1999 C
Photometric Accuracy ± 0.5 % T
Photometric Repeatability ≤ 0.2 % T
Detector Silicon Photocell
Grating 1200 lines/mm
Stray light ≤ 0.1( at 360nm NaNo2 )
Noise 100%(T)noise≤0.3%(T) , 0%(T) noise ≤0.2 %(T)
Cuvette holder size 10 mm
Dimension 580 × 460 × 345 mm
Power consumption 80 W
Power supply AC 220 V±22 V 50Hz ±1 Hz
Gross weight 12.5 kg
  • The holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light
  • Sample compartment for 5 to 50 mm cuvettes
  • Equipped with USB port and automatic zero, full scale adjustment
  • Automatic light gate technology to protect photoelectric sensors
  • 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

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.

Accessories no.Name Qty.
1User manual1 pc
2Glass cuvette 1cm 44 pcs
4Power cable1 pc
5Fuse2 pcs

Compare Models

Model Photometry Monochromatic Type Wavelength range Spectral bandwidth Wavelength Accuracy Wavelength Repeatability Focal length Photometric Range Photometric Accuracy Photometric Repeatability Detector Grating Stray light Noise Cuvette holder size Dimension Power consumption Power supply Gross weight
LVS-A10 - - - - ± 2 nm ≤ 1.0 nm - T: 0 to199.9%, A: -0.3 to2.5 Abs, F; 0 to 9999, C: 0 to 9999 ± 0.5 % T ≤ 0.2 % T Silicone photo diode - - - - - - - -
LVS-A11 - - - - ± 2 nm 1 nm - T: 0 ~ 199.9 % , A: (-0.3) ~ 2.5A bs, F: 0 ~ 9999, C: 0 ~ 9999 ± 0.5 % T 0.2 % T Silicon photo diode - - - - - - - -
LVS-B10 - - - - ± 1.0 nm ≤ 0.2 nm - (-0.3) ~ 3 A ± 0.3 % T 0.15 % τ Import Silicon Photodiode Detector - - - - - - - -
LVS-C10 - - - - ± 0.5 nm ≤ 0.2 nm - (-0.3) ~ 3 A ± 0.3 % T 0.15 % τ Import Silicon Photodiode Detector - - - - - - - -
LVS-C11 - - - - ± 0.5 nm ≤ 0.2 nm - (-0.3) ~ 3 A ± 0.3 % T 0.15 % τ Import Silicon Photodiode Detector - - - - - - - -
LVS-A20 Single Beam Czerny-Turner 340 to 1000nm 5 nm ± 2nm ≤ 1 nm 160 mm 0 to 100.0 %T 0 to 1.999 A 0 to 1999 C ± 0.5 % T ≤ 0.2 % T Silicon Photocell 1200 lines/mm ≤ 0.1( at 360nm NaNo2 ) 100%(T)noise≤0.3%(T) , 0%(T) noise ≤0.2 %(T) 10 mm 580 × 460 × 345 mm 80 W AC 220 V±22 V 50Hz ±1 Hz 12.5 kg
LVS-A21 Single Beam Czerny-Turner 325 to 1000nm 2 nm ± 2nm ≤ 1 nm 160 mm 0 to 100.0 %T 0 to 1.999 A 0 to 1999 C ± 0.5 % T ≤ 0.2 % T Silicon Photocell 1200 lines/mm ≤ 0.1( at 360nm NaNo2 ) 100%(T)noise≤0.3%(T) , 0%(T) noise ≤0.2 %(T) 10 mm 580 × 460 × 345 mm 120 W AC 220V ±22V 50 Hz ±1 Hz 16.5 kg
LVS-A30 - - 320 to 1100 nm 2.0 nm ± 0.8 nm ≤ 0.3 nm - 0 to 200 %T, -0.3 to 3 A, 0 to 9999 C ± 0.002A (0 to 0.5A), ±0.004 A (0.5 to 1A), ±0.5 % T (0 to 100% T) ≤ 0.001A (0 to 0.5 A), ≤0.002A (0.5 to 1A), ≤0.2 % T (0 to 100% T) Silicon Photocell - ≤ 0.1% T (220/360 nm) ≤0.2 % T/3 min (250/500 nm, 0% T), ≤ 0.5% T/3 min (250/500 nm, 100% T) - 490 × 390 × 280 mm - AC 90 to 250 V, 50/60 Hz 16 kg

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