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HS4028 3/4 digits LCD Digital USB Voltmeter Ammeter Tester 3.3V-30V

HS4028 3/4 digits LCD Digital USB Voltmeter Ammeter Tester 3.3V-30V

Brand:Haitronic
Product Code:HS4028
Availability:99999

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HS4028 3/4 digits LCD Digital USB Voltmeter Ammeter Tester 3.3V-30V

3 bit red blue/4 bit red blue

This is a 3/4 bit high precision usb tester for voltage current safe detector.Real-time monitoring your charger or charging treasure USB output port,accurate detection of voltage,current data.

Input/Output voltage:3.3V~30V

Input/Output current:0-5A (Recommended 0-3A)

Voltage resolution:0.001V

Current resolution:0.001A

Accuracy:+-1%

Line loss:0.1 ohm or so

Communication function :Yes

Data calibration function :Yes

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