ตัวเช็คไฟusb Power Current Voltage Tester ราคา290ส่งฟรีems รับประกัน1เดือน id กดเพื่อดู Line: xxxxx www.bt-accessory.com www.adapter-ac.com
FeaturesThis product can measure voltage on USB powered devices, empty load, the voltage and current of USB terminal equipment at work.Current and voltage display cycle, use is simple and convenient and practical.Compact and easy to carry, without additional power supplySpecificationDetection range: Voltage: 3.5V-7.0V error 0.1VCurrent :0A-3A error 0.01AResolution: voltage 10mV, current 1mAError: voltage < ± 1%; current < ± 2%The full-scale voltage: 200mV (current measurement)Operating temperature: 0-60 degreeอ่านเพิ่มเติม