L7 Double Beam UV-Vis Spectrophotometer

• Application: Laboratory Apparatus
• Warranty: 1 Year
• Detection Method: Spectrophotometer
• Wavelengths: Visible Spectrometer
• Certification: CE
• Customized: Non-Customized
• Model NO.: L7
• Photometry: Double Beam
• Focal Lengthwavelength Setting: 160mm
• Wavelength Setting: 8-Inch Color Touch-Screen
• Grating: 1200 Lines/mm
• Spectrum Bandwidth: 1.8nm
• Wavelength Accuracy: ±0.5nm
• Wavelength Repeatability: ≤0.2nm
• Wavelength Range: 190-1100nm
• Photometric Accuracy: ±0.3%T
• Photometric Repeatability: ≤0.15%T
• Transport Package: Standard Export Package
• Specification: Sample compartment for 5-100mm cuvettes
• Trademark: WEST TUNE
• Origin: China
• HS Code: 9027300090
• Production Capacity: 1000units/Year

Product Description

WEST TUNE L7 Double Beam UV-VIS Spectrophotometer
 

• Double beam optical system
• 8-inch color touch-screen
• Automatic zero and full scale adjustment
• Automatic wavelength settings
• Equipped with USB COM port
• UV WIN8 Spectrum Data Processing Software optional
• Thermal plotter optional

Features

1,L7 double beam UV-VIS spectrophotometers adopt double beam optical system, and blazed holographic
gratings. They have outstanding test precision and very competitive prices.
2,8-inch color touch-screen, cutting-edge user interface, powerful functions, and easy operation.
3,With powerful functions, the equipment shows great performance in qualitative and quantitative
testing, such as:

Full-spectrum scanning
Linear regression
Detailed spectrum scanning
Concentration direct reading
Time-based kinetics determination
Peak / Valley detecting
GOTO λ Multi-wavelength measurement

4,The equipment is designed with sophisticated power protection system. With high capacity of
internal memory, it can store testing results, scanned images, regression equations and correction
data. Therefore, it follows a fast initialization when power on.
5,The instrument can be connected with dedicated printer, which can print testing results, or draw
curve from spectral scanning, fixed wavelength time-based scanning, and linear regression.
6,With USB COM port the device can be connected to a PC, which can not only enhance theperformance
in data testing and spectrum scanning, but also expand the memory to save more testing results.

Specifications

Model	L7
Photometry	Double Beam
Monochromator Type	Czerny-Turner
Focal Length	160mm
Grating	1200 lines/mm
Detector	Silicon Photocell
Spectrum Bandwidth	1.8nm
Wavelength Setting	8-inch color touch-screen
Wavelength Range	190-1100nm
Wavelength Accuracy	±0.5nm
Wavelength Repeatability	≤0.2nm
Scanning Speed	Fast-Medium-Slow
Stray Light	≤0.03%T( at 220nm NaI, 360nm NaNo2 )
Photometric Range	0.0-200.0%T -0.301-4.000A 0.000-9999C
Photometric Accuracy	±0.3%T ±0.002Abs (0-0.5A) ±0.004 Abs (0.5-1A)
Photometric Repeatability	≤0.15%T 0.001 Abs (0-0.5A) 0.002 Abs (0.5-1A)
Baseline	≤±0.002A (200-1090nm)
Noise	100%(T)noise≤0.15%(T) , 0%(T)noise≤0.1%(T)
Drifting	≤0.0009 Abs/30min (250nm and 500nm after 2h warm up)
Power	AC220V±22V 50Hz±1Hz, 200W
Packaging Size	710mm X 590mm X 505mm 0.21M3 36kg

Standard Accessories

User manual	1pc
Glass cuvette 1cm	4pcs
Quartz cuvette 1cm	2pcs
Power cable	1pc
Fuse	2pcs

Optional Accessories
1.UV WIN8 Spectrum data processing software
2.Thermal plotter