Posted by dapj20 on Apr 30, 2019 in Flow-Level, Industrial-Instruments
The Reed Relay based Float Switches are used in Automobiles and even corrosive and volatile fluids. This can also be used to indicate level of water or operate pumps.
Water Level Indicator with Reed Relays
The reeds are hermetically sealed in glass, Like the Incandescent bulb. The signal switched by reed also should be a few mA or even uA. This makes is safe in Volatile fluids, where sparking can cause fires.