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Danclan liquid level ruler for measuring liquid nitrogen manually. This 1000mm high precision liquid level meter can provide an easy measurement for a liquid nitrogen tank or cryogenic freezer. Place the ruler to the bottom, and then hold for a while untill see a frost line. There are two models for liquid level ruler, 1500mm and 1000mm, and the logo on the ruler can be customized by users' demand.
Danclan liquid level ruler for measuring liquid nitrogen manually. This 1000mm high precision liquid level meter can provide an easy measurement for a liquid nitrogen tank or cryogenic freezer. Place the ruler to the bottom, and then hold for a while untill see a frost line. There are two models for liquid level ruler, 1500mm and 1000mm, and the logo on the ruler can be customized by users' demand.
