Level measuring meter LHe

for cryogenic tanks

With this device liquid helium levels in cryogenic containers up to 1,370 mm are displayed linearly. Several probes with different measuring lengths are available. The measuring device is adjusted to the desired measuring range at the factory. Precise level measurement for liquid helium With this device liquid helium levels in cryo containers up to 1.370 mm are displayed linearly. Several probes with different measuring lengths are available. The measuring instrument is adjusted to the requested measuring range in the factory. Due to a built-in rechargeable battery, the levels can be measured at any time, even in mobile applications. A charger, which can also be used as a power supply unit, is included. Connection options for a remote display and a recorder complete the package. The device switches off automatically after max. 60 sec. The measuring principle The superconductor of the probe has a so-called transition temperature in the boiling range of helium, at which its electrical resistance becomes infinitely small. A constant current creates a voltage drop across the residual resistance, corresponding to the probe section not immersed in the cryo liquid. This voltage is displayed via a measuring bridge, which thus becomes a measure for the filling level. Convincing advantages: Modular structure fast assembly Easy operation Arrangement at any point in the pipe system Life expectancy: 30 years level measurement self-monitoring, as the sensors are monitored for wire breakage