Featuring 23 mm diameter, DMD-373 Attenuated Total Reflectance Probe is suitable for both laboratory and on-line process analytical applications. Mid-IR transmission of probe exceeds 10%, providing optimum performance when used with FTIR spectrometers employing room temperature IR detectors. With diamond ATR element, Hastelloy C-276 construction, and energized PTFE seals, probe can function over wide range of temperatures and pressures and with aggressive chemical systems.