UTG21-BE is a non-contact one and dose not directly contact liquid, so the fault rate is low . The meter's all input and output lines must be with such protection functions as lightning protection and short circuit prevention.
UTG21-BE ultrasonic level transmitter
Less than four atmospheric pressure
LCD display built-level height or distance
RS485 Interface, Mod BUS agreement or custom
four-wire DC24V 120mA
EX dll BT4
Aluminum Die Casting, proof-explosion shell