USB voltage and current tester 4-20V 0-3A KWS-V20 USB-A male to USB-A female

Beschrijving

Specification:

1.Size:59mm*23mm*13.5mm

2.Input voltage:3-9V, voltage resolution: 0.01V

3.Output voltage:3-20V

4.Measuring range:3-20V

5.Input/output current:0-3A, current resolution: 0.01A

6.Voltage measurement error:±1%

7.Line loss:about 0.1 ohm

8.Ambient temperature:-10-60 (℃)

9.Weight:40g

Package Including: 

1 * KWS-V20

Instructions for use:

N: The input terminal is connected to the output port of the charger

RTZ: reset key, press it for 3-5 seconds, and the screen displays reset

Out: the output end is connected to the USB end 0 of the data cable

Input voltage display window (3-9v) accuracy ± 1%

Charging current display window (0-3A) accuracy ± 1%

Battery capacity display window (0-99999mah)

Working time display window D (0-99h) unit: minute

Working time and empty quantity display have memory function after Power failure