General options:
– monitoring of 1 to 3 sensors
– overflow level monitor of water, oil and sludge
– status of the sensors using the LED
– alarm status optic(LED) and acustic(buzzer)
– circuit sensor test (open circuit and short circuit)
– two potential-free alarm outputs (relays)
– self-test system (inputs, outputs, signaling)
– programmable sensor time response(5s / 30s)
– inputs configuration (enabled / disabled)
– hermetically sealed enclosure