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testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer
testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer

testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer

2025-06-26 11:22:06  

testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer

  • Main Feature :
  • Serial No. : monica0664
Contact Us For QuotationEmail:  464560351@qq.comWhatsapp&Wechat:+8618620373879

testermeter-L7 Cheap Spectrometer Dual Double Beam UV-VIS Spectrophotometer

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
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 the performance in data testing and spectrum scanning, but also expand the memory to save more testing results.

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


Specifications

ModelL7
PhotometryDouble Beam
Monochromator TypeCzerny-Turner
Focal Length160mm
Grating1200 lines/mm
DetectorSilicon Photocell
Spectrum Bandwidth1.8nm
Wavelength Setting8-inch color touch-screen
Wavelength Range190-1100nm
Wavelength Accuracy±0.3nm
Wavelength Repeatability≤0.1nm
Scanning SpeedFast-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)
Noise100%(T)noise≤0.15%(T) , 0%(T)noise≤0.1%(T)
Drifting≤0.0009 Abs/30min (250nm and 500nm after 2h warm up)
PowerAC220V±22V 50Hz±1Hz, 200W
Packaging Size710mm X 590mm X 505mm 0.21M3 36kg

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