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Help Center722 VIS Spectrophotometer ( Wavelength Range 325 - 1020nm )
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ME-721/ 722/ 723 Series Visible Spectrophotometer
Features:
l Using microprocessor control technology, for testing the qualitative&quantitative analysis in the area of the uv-vis spectra.
l Measurements using single operation, the linear regression equation
l 721/722: Wavelength adjust manually 723: Wavelength, zero automatically
l Operating mode : T/A/C/F
Specifications:
Model |
ME-721 |
ME-722 |
ME-723C |
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Sample room |
Hold 5 to 50 mm all kinds of cuvette |
Hold 10 to 50 mm all kinds of cuvette |
Hold 5 to 100 mm all kinds of cuvette |
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Spectral bandwidth |
6nm |
5nm |
4nm |
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Wavelength Range |
350nm~1000nm |
325-1020nm |
325nm~1000nm |
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Wavelength Accuracy |
±3nm |
±2nm |
±1nm |
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Stray light |
≤0.4%(T) |
≤0.3%(T) |
0.2%T |
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Wavelength Repeatability |
1nm |
0.2nm |
|||
|
Photometric accuracy |
±0.5%(T) |
||||
|
Photometric Repeatability |
0.2%T |
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Transmittance Repeatability |
≤0.2%(T) |
||||
Stability |
Dark current drift:≤0.2%(T)/3min ; Light current drift:≤1%(T)/3min |
±0.001A/h |
|||
Minimum resolution |
1nm |
0.1nm |
|||
Detector&light source |
Imports of silicon photodiode & tungsten lamp |
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Output |
---- |
RS232 |
RS232/USB |
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Power |
AC 85~230, 50Hz/60Hz |
AC 220V/50Hz or 110V/60Hz |
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Size&Weight |
380*300*180mm & 4kg |
470*380*200mm & 13kg |
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Note: Additional models with addition functions:
723C: Online can show standard curve dynamics test
723PC: with PC Software, Quantitative dynamic testing on line scan type
723PCS:with PC Software, Quantitative dynamic testing on line scan type ; bandwidth: 1/2/4/5nm
723PCSR: with PC Software, Quantitative dynamic testing on line scan type ; bandwidth: 1/2/4/5nm ; Online scanning type variable reflection bandwidth test
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