ตัววัดกระแสและแรงดันไฟฟ้าพอต USB แบบดิจิตอล (CHARGER Doctor for USB Port 3.5V - 7.0V, 0A - 3A)

ตัววัดกระแสและแรงดันไฟฟ้าพอต USB แบบดิจิตอล (CHARGER Doctor for USB Port 3.5V - 7.0V, 0A - 3A) 

จุดเด่นผลิตภัณฑ์ (Features) :

- Easy to measure the USB output vollage and the device input current or loader voltage.

- Availabe for every USB electronic product, such as PC USB, home charger, car charger and so on.

- Light and handy, easy to carry and no need external power.

- USB charger can detect whether the target output voltage and current.

- Stable, reliable performance, anti-interference ability, high temperature.

- Convenient measurement of the output voltage of the usb port and the device operating current.

- Uses electricity generation four semi-double loop integral converter IC, 

  with precision bandgap reference, range accuracy.

- Through "CHARGER Doctor", you could clearly know the condition of the charger, phone, 

   USB Cable and every USB device.

คุณสมบัติ (Specification) :

- Voltage : DC 3.5 V - 7 V, error 0.1 V or < 1 %

- Current : 0 - 3.0 A, error < 2 %

- Color : Blue

- Dimensions : 52 x 20 x 14 mm

ผลิตภัณฑ์ประกอบด้วย (Package included) :

- 1 x USB Power Tester CHARGER Doctor for USB Port

- This item comes with no retail package