Product Description TP2405 explosion-proof wireless ultrasonic level gauge is designed for industrial liquid level monitoring. It supports NB-IoT,4G and LoRa wireless transmission. It features an 8-meter measuring range and optional 15°/20° beam angles. The multi-link overlapping measurement brings improved accuracy compared with float level meters. It has IP66 protection rating and passes CE, RoHS certification, suitable for industrial storage tanks, water tanks and water