Legacy Monitor – How to Change Units of Measurement (kPa, BAR, PSI)

This article will go over how to change the unit of measurement on the Legacy Monitor.

Please Note: The Legacy Monitor come from the factory set to read PSI but can also read BAR or kPa. The system will first switch to BAR, then to kPa, then back to PSI.

Step 1) Remove power source from Monitor.

Step 2) Depending on the model of Legacy Monitor, you’ll have a round button with On or Set. While reconnecting power, press and hold the round On/Set button. The Monitor will briefly display the unit of measurement on the screen.

The first switch will be to BAR, repeat steps 1 & 2 to switch to the next unit of measurement.