... S High resolution:0.01Hz-9999Hz or 0-100KHZ 5V/24V DC power supply 2011---FM series Digital Panel Frequency/ ... ,Power supply: regular: +5V/24V, others: 12--30V AC/DC. Code Illustration:Technical Parameters:Specifications:Diagram:Mounting: MYPIN Electrical ... Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, Timer, Timer Relay, Solid State Relay, Proximity ...