Liquid helium level gauge

Accuracy ±1.5%FS; the sensor inside the tank can withstand extreme hot and cold shocks and is mechanically stable; the sealed structure is patented, reducing heat leakage; easy to install and suitable for various tanks; data shown on an LCD with switchable units, clear and simple; can connect to a phone with Bluetooth for setting parameters and calibration, quick and easy; built-in battery with low power consumption, long-lasting up to 5 years。