48" LN2 Measuring Rod
48" MVE Measuring Stick For measuring liquid nitrogen manually
48" Measuring stick by IC Biomedical is used to measure the LN2 level in inches and centimeters. Submerge the measuring rod into the tank being sure it rests on the bottom. Then withdrawal the measuring rod and wave it in the air back and forth until the frost line appears, which will determine your LN2 level measurement.