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DOUBLE-BEAM INFRARED SPECTROPHOTOMETER (TJ270-30A)
time:2013-01-00 2017-01-05

 

 

 

Major characteristics
Double blazed grating with high energy
USB interface
 
Major data processing functions of the instrument
Record of spectrum background baseline
Smoothing operation of spectrum data
Differential coefficient operation of spectrum data
Calibration of spectrum background baseline
Calibration of spectrum baseline tilt
Arithmetic operation of spectrum data
Accumulation operation of spectrum data
Management of spectrum file
Expansion of spectrum scale
Conversion between %T and ABS
Detection of spectrum peak
Expansion of spectrum absorption
Shape and dimension: 740*610*270 (mm)
 

Range of wave number
4000-400cm -1
Precision of wave number
≤±4cm -1 (4000-2000cm -1 )
≤±2cm -1 (2000-400cm -1 )
Resolution
1.5cm -1 (1000cm -1 around)
Transmittance precision
±0.2%T (exclude noise level)
Flatness of I 0 line
≤±2%T
Stray light
≤0.5%T (4000-650cm -1 )
≤1%T (650-400cm -1 )
Test mode
3 modes
Transmittance, Absorbance, Single beam
Scanning speed
5 steps
Very fast, Fast, Normal, Slow, Very slow
Slit program
Very wide, Wide, Normal, Narrow, Very narrow
Response
4 steps
Very fast, Fast, Normal, Slow
Work mode
3 modes
Continuous scan, Repeating scan, Scan with fixed wavelength
Expansion of horizontal and vertical coordinate
Arbitrary

 

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