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$ 760
$
900
$ 3,591
$
3,780
$ 3,213
$
3,500
$ 1,890
$
2,100
$ 1,352
$
1,450
$ 3,591
$
3,780
L7 double beam UV-VIS spectrophotometers adopt double beam optical system, and blazed holographic gratings.
They have outstanding test precision and very competitive prices. 8-inch color touch-screen, cutting-edge user interface, powerful functions, and easy operation.
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
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.
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.
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.
Main Features
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
Time-based kinetics determination
Peak / Valley detecting
GOTO λ
Multi-wavelength measurement
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: ±0.3nm
Wavelength Repeatability: ≤0.1nm
Scanning Speed: Fast-Medium-Slow
Stray Light : ≤0.03%T( at 220nm NaI, 360nm NaNo2 )
Photometric Range: 0.0-200.0% T
-0.301-4.000 A
0.000-9999 C
Photometric Accuracy: ±0.3% T
±0.002 Abs (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: ≤±0.002 A(200-1090nm)
Noise: 100%(T)noise≤0.15%(T) , 0%(T)noise≤0.1%(T)
Drifting: ≤0.0009 Abs/h (250nm and 500nm after 2h warm up)
Power: AC220V±22V 50Hz±1Hz, 200W
Packaging Size: 710mm X 590mm X 505mm 0.21M3 36kg
Standrad Accessories
Operation manual 1
Glass cuvette 1cm 4pcs
Quartz cuvette 1cm 2pcs
Power cable 1
Fuse 2pcs
Cuvette holder 10mm
Optional Accessories
UV WIN8 Spectrum data processing software
Thermal Plotter
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