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ergonomic grip
frequency counter etc
stay shiny
DURABLE: Heavy-duty nickel-plated brass hex nuts are easy to grip and provide durability
Weather Instruments for Classroom
Taidacent Non-Contact Liquid Level Sensor Externally Attached Liquid Induction Level Switch Water Level Switch (NPN Output(5-12V)) NPN Output(5-12V) wix ergonomic gripTaidacent Non Contact Liquid Level Sensor Externally Attached Liquid Induction Level Switch Water Level Switch (NPN Output(5 12V)) NPN output drives small electric relays (coil current 100mA) working principle: 1. When the black line is suspended, it is normally open output: When liquid is sensed, the transistor is turned on and closed, and the relay is energized and closed; When no liquid is sensed, the transistor will be cut off and the relay will
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