Hoenderop BV GEFO Glycomat antifreeze hydrometer, Type: 1100

Suitable for ethylene glycol (ethanediol) -water mixtures. New technical principle, simple, quick and precise measurement. Stable plastic housing with eye on the suction membrane. Oscillation free indicator. It is not necessary to hold the device upright. Automatic temperature correction so it is possible to read off immediately to what temperature the coolant is protected against freezing. The device will not drip after the valve has been closed. Instructions in 8 languages on the packaging and also on the device. Type: 1100.