2. Flow Switch used to sound alarm, light signal,
actuate relays or starter switches for motors, pumps, etc. , when no flow occurs.
流量开关用于声音报警,灯光报警,当无流量时启动电机、泵等继电器或起动器开关。
3. Waterflow indicator used to sound alarm, light signal,
actuate relays or starter switches for motors, pumps, etc. , when no flow occurs.
流量开关用于声音报警,灯光报警,当无流量时启动电机、泵等继电器或起动器开关。