Vira Level Alarm probes are used in 3 different ways. Two electrode high alarms, two electrode low alarms, one of them is high and the other one is low alarm. The SK 1200 Level Controller can be used, with SD 1200 Level probes which operate on conductivity principle for providing level alarm signals in conductive liquids. The Level Controller and probe are suitable for use with different qualities of liquids such as water, condensate, boiler water. Level Alarm Systems can be used in water with an electrical conductivity as low as 1 μS/cm at 25 °C.
The SK 1200 Level Controller has an automatic sensitivity level and filter function which response under the very different conductivity and turbulence conditions in the tanks and high steam out boilers. This sensitivity can be adjusted during installation.
There is one fuction for each electrode. Each electrode can be cut to the required length to use on installation. Two different functions could be provided by Level Probe SD 1200:
- 1st Alarm (Low or High)
- 2nd Alarm (Low or High)
By using alarm relays, it is also possible to stop burner.