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| Sampling Head | Stainless-steel, cylindrical probe head with removable immersion sleeve, overall dimensions 5/8" (15.8mm) diameter x 8" (230 mm) length |
| Excitation Wavelengths | 514, 532, 632, 670, 785, 830 nm, others available upon request |
| Spectral Range | 250 - 3900 cm-1 (Stokes)* |
| Working Distance | Sliding immersion sleeve provides selectable working distance to optimize measurement of clear and turbid solutions |
| Fiber Configuration |
Permanently-aligned combination of two single fibers (100 µm excitation fiber, 200 µm collection fiber) with filtering and steering micro-optics, N.A. 0.22, with stainless-steel cabled fiber Options: Fiber sizes ranging from 50 µm to 400 µm. |
| Filter Efficiency | Patented design to filter laser line and quartz spectral contributions from both input and output fibers (O.D. > 8 at laser line) |
| Physical Resistance | Entire probe head can be heated to 200ºC. Sapphire window sealed to stainless-steel sleeve with PTFE gasket. Quartz window available as option (recommended for 633 and 670 nm excitation). |
| Cable Length | 5 m std. (option: up to 200 m) |
| Safety Features | Emission indicator (std.), Class I sample holders available (for use without immersion sleeve) |
| Coupling System | Available with FC (std.) or SMA connectors |
