2000 psi and 5000 psi high pressure options. The useful temperature range from -15°C to 180°C. Assembled with two 1/16” Stainless Steel flow tubes. Fixed pathlengths include 0.5, 1.0, 2.0, 5.0 or 10mm. Available optical materials include UV Quartz, Sapphire and Zinc Selenide.