Standard Double Sensor
Allows you to monitor the level of propane using the free YonkeGas app on your smartphone or tablet.
Or, LP Gas level can also be monitored with the stand-alone YonkeGas Double Monitor.
The YonkeGas app allows connection to multiple sensors, so that you can monitor as many cylinders as you want!
The YonkeGas Standard Sensor can be connected to both the app and standalone monitor at the same time.