สเปกโตมิเตอร์ IR infrared Spectrometer elemenbt สเปกโตโฟโตมิเตอร์ Spectrophotometer เครื่องสเปกโทรสโฟโตมิเตอร์ เครื่องวัดสเปกโตรโฟโตมิเตอร์อินฟราเรดแบบ Double-Beam
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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