Organomation Associates Meyer N-Evap Model 106 Analytical Nitrogen Evaporator. Cat# 26103. Two needles missing along with one of the needle valves (see all photos). Used working unit however we would recommend replacing the consumables such as tubing and needles prior to use. 250-Watt Water Bath with a Max Temperature of 70°C. 12-Position Nitrogen Evaporator. Ideal for the simultaneous evaporation of samples with varying evaporation end points. The sample tray has a spring tensioner which allows any test tube between 10-30 mm to be processed without any modifications to the instrument.