The ELKO EP HRH-5/UNI is a level monitoring relay module specifically designed for conductive fluid level monitoring applications. It is made for mounting onto a 35 mm DIN rail and is equipped with a 5-ampere SPDT relay output. The module provides four sets adjustable level alarms, with selectable alarm modes: two-point trips, three-point trips, single-point, and hysteresis trips. The control range is up to 8 m (26.24 ft), with an adjustable operation sensitivity of 0.03 mA to 10 mA. Additionally, it has LED indicators for power, and relay status, and is IP67 rated for use in wet environment.