Double Beam UV-Vis Spectrophotometer LUS-B23

Double Beam UV-Vis Spectrophotometer LUS-B23 offers a wide wavelength range from 190 to 900nm ensuring compatibility with various fields of study. Fully automatic design simplifies measurement procedures for user convenience. Provides versatile measurement methods including wavelength scanning, time scanning, multi-wavelength measurement, and derivative measurement options, displayed on a 6-inch screen. Various sample holders are available to suit user preferences and experimental requirements.

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Wavelength Range	190 to 900nm
Spectral Bandwidth	4nm, 2nm, 1nm, 0.5nm, 0.2nm, 0.1nm
Optical System	Double beam
Wavelength Accuracy	±0.1nm
Wavelength Reproducibility	≤ 0.05nm
Ambient Temperature	10℃ to 30℃
Indoor Relative Humidity	≤ 85%
Transmittance Accuracy:	±0.2% τ（0-100%τ）±0.002A(0～0.5A) ±0.003A(0.5A～1A)
Transmittance Repeatability	0.1% τ（0-100%τ）±0.001A(0～0.5A) ±0.0015A(0.5A～1A)
Stray Light	≤0.02% τ (220nm NaI，340nm NaNO2)
Stability	0.0005A/h（500nm After preheating）
Noise	±0.0002A (500nm After preheating)
Baseline Flatness	±0.001A
Metering Method	Transmittance, Absorbance, Concentration, Energy
Wavelength Adjustment	Automatic Adjustment
Photometric Display Range	-4 to 4A
Display Mode	Six-inch high-brightness LCD Screen
Detector	Photomultiplier Tubes
Light Source	Imported Deuterium Lamp, Imported Tungsten Lamp
Power Consumption	120W
Power Supply	AC 220V/50Hz 110V/60Hz
Dimensions (W×D×H)	560×450×230mm
Weight	28Kg

Large-scale integrated circuit design
Enhanced optical path design
High-quality light sources and receivers
Output options include a printer, USB interface, and specialized software
Parameters and data are saved automatically upon power-off
Advanced stabilized power supply technology
Double exhaust system
Integrated shock-proof fastener with a cast aluminum plate
PC software control allows flexible measurement

Double Beam UV-Vis Spectrophotometer is employed in many fields including biological research, pharmaceutical analysis, environmental protection, and clinical testing for quantitative analysis of substances based on their absorption of ultraviolet (UV) and visible (Vis) light.

Number	Accessories Name	Quantity
1	Spectrophotometer Main Unit	1 set
2	1cm quartz cuvette	2 pcs
3	1cm glass cuvette	4 pcs
4	Dust Cover	1 pc
5	Power line	1 pc
6	Instruction Manual	1set
7	Software suite	1set

Available Range :

Wavelength range : 190 to 1100 nm Wavelength range : 190 to 1100 nm Wavelength range : 190 to 1100 nm Wavelength Range : 190 ~ 1100 nm Wavelength range : 190 to 1100 nm Wavelength range : 190 ~ 1100 nm

Related Models :

Model

Wavelength Range

Spectral Bandwidth

Optical System

Wavelength Accuracy

Wavelength Reproducibility

Ambient Temperature

Indoor Relative Humidity

Transmittance Accuracy:

Transmittance Repeatability

Stray Light

Stability

Noise

Baseline Flatness

Metering Method

Wavelength Adjustment

Photometric Display Range

Display Mode

Detector

Light Source

Power Consumption

Power Supply

Dimensions (W×D×H)

Weight

LUS-B30

± 0.1nm @ 656.1 nm, ± 0.3 nm @ all

± 0.0003 A/h @ 500 nm

0.0005 A @ 500 nm

Imported silicon photodiode

LUS-B31

± 0.1nm @ 656.1 nm, ± 0.3 nm @ all

± 0.0003 A/h @ 500 nm

0.0005 A @ 500 nm

Imported silicon photodiode

LUS-B32

± 0.1nm @ 656.1 nm, ± 0.3 nm @ all

± 0.0003 A/h @ 500 nm

0.0005 A @ 500 nm

Imported silicon photodiode

LUS-B16

190 ~ 1100 nm

0.5 / 1.0 / 2.0 / 4.0 nm adjustable

± 0.3 nm

≤ 0.03 % τ (220 nm NaI, 340 nm NaNO₂)

± 0.0002A @500nm

± 0.001 A

28 kg

LUS-B40

± 0.1nm (D2, 656.1 nm), ± 0.3 nm full range

± 0.0004 A/h @ 500 nm

± 0.0004

Imported silicon photodiode

LUS-B15

Silicon photo diode

Xenon and Deuterium lamp

25 kg

LUS-B10

190 to 1100 nm

1.8 nm

Double beam

±0.3 nm

≤0.03% τ (220 nm NaI, 340 nm NaNO₂)

0.0005 A/h @500 nm

± 0.002 A @500 nm

± 0.001 A

-4 to 4 A

Silicon photodiode

Tungsten lamp, Deuterium lamp

AC 220/110 V, 50/60 Hz

LUS-B13

190 to 1100 nm

1.0 nm

Double beam

±0.3 nm

≤0.03% τ (220 nm NaI, 340 nm NaNO₂)

0.0005 A/h @500 nm

± 0.002 A @500 nm

± 0.001 A

-4 to 4 A

Silicon photodiode

Tungsten lamp, Deuterium lamp

AC 220/110 V, 50/60 Hz

LUS-B11

± 0.001 A/h @ 500nm

± 0.0005 A/h

±0.001A/h

Silicon photodiode

625×430×206 mm

30 kg

LUS-B20

Silicon photodiode detector

Deuterium lamp, Tungsten lamp (20 W/12 V)

LUS-B12

190 to 1100 nm

1.8 nm

Double beam, C-T monochromator，1200 L/mm holographic grating

±0.3 nm

0.1% T

≤0.05% T @ 220 nm, 360 nm

≤±0.001 Abs

Tungsten lamp, Deuterium lamp

220V ± 10% 50 Hz, 85 VA / 110 V ± 10% 60 Hz 85 VA

LUS-B17

190 to 1100 nm

Double beam

± 0.3 nm

50.05% r (220 nm Na l, 360nm NaN02)

0.001 A / h at 500 nm

± 0.001 A

-4 to 4 A

10 inches touch screen LCD

Import Silicon Photodiode

Import Deuterium Lamp & Tungsten Halogen Lamp

28 Kg

LUS-B41

190 to 1100 nm

1.8/1.0 nm

Double Beam 1200 nm grating

± 0.3 nm

≤ 0.05 % T (220/360 nm)

± 0.001A/H (500 nm,0 A)

≤0.2 % T/3 min (250/500 nm 0%T), ≤0.3%T/3 min (250/500 nm 100%T)

± 0.001 A

Silicon Photodiode

AC 90 to 250 V,50/60 Hz

LUS-B42

190nm to 1100nm

0.5 to 6.0nm

Optical double beam system

± 0.3nm

≤ 0.03% (220nm, NaI;360nm, NaNO2)

≤0.1%T(100%T), ≤0.05%T(0%T), ≤±0.0005A/h (500nm,0Abs,2nm bandwidth)

Photocell

AC90V to 250V, 50H/ 60Hz

18 Kg

LUS-B23

190 to 900nm

4nm, 2nm, 1nm, 0.5nm, 0.2nm, 0.1nm

Double beam

±0.1nm

≤ 0.05nm

10℃ to 30℃

≤ 85%

±0.2% τ（0-100%τ）±0.002A(0～0.5A) ±0.003A(0.5A～1A)

0.1% τ（0-100%τ）±0.001A(0～0.5A) ±0.0015A(0.5A～1A)

≤0.02% τ (220nm NaI，340nm NaNO2)

0.0005A/h（500nm After preheating）

±0.0002A (500nm After preheating)

±0.001A

Transmittance, Absorbance, Concentration, Energy

Automatic Adjustment

-4 to 4A

Six-inch high-brightness LCD Screen

Photomultiplier Tubes

Imported Deuterium Lamp, Imported Tungsten Lamp

120W

AC 220V/50Hz 110V/60Hz

560×450×230mm

28Kg

LUS-B43

190 to 1100nm

2nm or 1nm

Double beam

±0.3nm

≤ 0.02%T (at 220nm NaI, 360nm NaNo₂)

Silicon photocell

Deuterium Lamp, OSRAM Tungsten Lamp

200W

AC220V±22V, 50Hz±1Hz

Double Beam UV-Vis Spectrophotometer LUS-B23

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