203057 ⎘
Switches operated by change of a physical condition; Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type
Flow sensor module and controller
#2Apparatus and method for automatically detecting and alerting of gas-out conditions for a gas appliance during operation
#3Liquid flow sensing systems
#4Fluid flow indicator with automatic alarm timer for high pressure/low flow applications
#5Fluid flow indicator with automatic alarm timer for low pressure/low flow applications
#6Magnetic flow switch, for aspirators in particular
#7Device for monitoring an air supply flow or a volumetric air flow