| Spectral range, cm−1 | 370–7800 |
| Spectral resolution, cm−1 | 1.0 (FSM 2201) and 0.5 (FSM 2202) |
| Signal-to-noise ratio (1 min measurement time in the 2100–2200 cm−1 range at a resolution of 4 cm−1) | >60,000 |
| Minimum acquisition time for one full spectrum, s | <1 |
| Beamsplitter | KBr with Ge-based coating |
| Radiation source | High-temperature metal-ceramic source |
| Detector | DLATGS pyroelectric detector |
| Sample compartment dimensions, mm | 150 × 190 × 170 |
| Overall dimensions, mm | 520 × 370 × 250 |
| Weight, kg | 28 |
| Spectral range, cm−1 | 370–7800 |
| Spectral resolution, cm−1 | 0.1 |
| Signal-to-noise ratio (1 min measurement time in the 2100–2200 cm−1 range at a resolution of 4 cm−1) | >60,000 |
| Minimum acquisition time for one full spectrum, s | <1 |
| Beamsplitter | KBr with Ge-based coating |
| Radiation source | High-temperature metal-ceramic source or external source |
| Detector | DLATGS detector, cooled PbSe photoresistor |
| Sample compartment dimensions, mm | 150 × 190 × 170 |
| Overall dimensions, mm | 540 × 490 × 250 |
| Weight, kg | 36 |
| Number of measurement channels | 2 |
| Spectral range, cm−1 | 3700–12500 |
| Spectral resolution, cm−1 | 2 |
| Signal-to-noise ratio (1 min measurement time in the 2100–2200 cm−1 range at a resolution of 4 cm−1) | >60,000 |
| Minimum acquisition time for one full spectrum, s | <1 |
| Beamsplitter | CaF₂ with a Ge-based multilayer coating |
| Radiation source | Halogen lamp |
| Detector | InGaAs photodiode, Si photodiode |
| Sample compartment dimensions, mm | 150 × 190 × 170 |
| Overall dimensions, mm | 520 × 370 × 250 |
| Weight, kg | 28 |