bayite Volt Amp Meter, DC 5-100V 100A Dual Display Current Voltage Meter, Digital Mini Ammeter Voltmeter Gauge with Hall Effect Sensor Current Transformer

Additional Details from the Manufacturer

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More features

• Dual display: Display Voltage and (+ -) Current at the same time; Power supply: DC 5~100V; Voltage test range: 0~300V; Current test range: ±0~100A
• Through-hole design: Easy Wiring; Measure positive or negative current; No current direction limitation
• Electrically isolated from high voltage power source which eliminates risk to delicate monitoring equipment and also minimizes safety concerns
• Compatible with large wire; Diameter of the sensor hole is 3/4 inch (19 mm)
• Loop through sensor multiple times to strengthen signal. For example, if your current signal is only 0.2 Amps, you could loop the wire through the sensor 10 times and the signal would by 10X stronger and would appear as 2.0 Amps