| Standard Wavenumber Measurement Range | 7,800 to 350 cm-1 |
| Optional Extended Wavenumber Range | 11,500 to 375 cm-1, 6,000 to 220 cm-1, 6,000 to 50 cm-1 |
| Resolution | 0.4, 0.5, 1, 2, 4, 8, 16 cm-1 |
| Sample Chamber | Size: 200 (W) × 260 (D) × 185 (H) mm
Optical path: Center focus, light axis 70 mm high |
| Interferometer | 45º Michelson interferometer
Corner cube mirror interferometer, with auto-alignment mechanism, sealed structure, DSP control |
| Mirror Coating | Aluminum (Al) |
| N2 Purge and Vacuum | Sample/Detector Compartment
Interferometer (Optional) N/A |
| Drive Method | Mechanical bearing,
electromagnetic drive |
| Rapid Scan | 80 spectra/sec (16 cm-1 resolution) |
| Step Scan | N/A |
| Beam Splitter | Standard: Ge/KBr
Option: Si/CaF2, Ge/CsI (not interchangeable) |
| Light Source | Standard: High-intensity ceramic source
Option: Halogen lamp (factory option only) |
| Detector | DLaTGS (with Peltier temperature control) (standard) |
| Optional Detectors | W-MCT, M-MCT, N-MCT, Si, InSb, InGaAs (optional)
Up to two detectors can be installed. |
| Signal-to-Noise Ratio | (4 cm-1, 1 min, near 2,200 cm-1)
35,000:1 |
| Gain Switching | Auto, 1, 2, 4, 8, 16, 32, 64, 128 |
| Communication | USB 2.0 |
| Dimensions and Weight | FT/IR-4X Model:
386 (W) × 479 (D) × 254 (H) mm, 18 kg |
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