Costyle USB Digital Power Current and Voltage DC 0-5A 3.6-32.5V Multi Meter Tester Multimeter
Made with manganese copper alloy, the USB tester has a low internal resistance so it can measure the data more accurately and dose not affect the charging speed.
Voltage measuring range: 3.60V ~ 32.5 V Resolution precision: 0.01 V
Current measuring range: 0.00 ~ 5.00A Resolution precision: 0.01A
Power cumulative range: 0 ~ 999999 MWH Resolution precision: 0.001 Wh
Power metering range: 0 ~ 299.999 W Resolution precision: 0.001 W
Timing maximum time: 999 H 59 M 59 S Resolution precision: 1 S
Time to refresh: > 500 ms/time > 500 ms/times
Measurement rate: 0.5 times/s
Working temperature: - 10 ~ + 60 ?
Working humidity: 10 ~ 80 (no doubt)
The pressure of work: 80 ~ 106 kpa
Click 1 time to switch the three display screens(content will be showed below)
Click 2 times in any screen to reset cumulative Watt hours (000.000Wh)
Click 3 times to reset Time(00:00:00)
Long press to reset all the data(cumulative Watt hours, Capacity and Time)
Long press before putting into electricity will reset the current to 0(If you find the current is not 0 when you don't charge anything)
If enter the background mode, short press the switch calibration interface, double-click starts the calibration
Content of the 3 Display Modes
Watt hours (cumulative)
Current Elapsed charging time
Watts/ Temperature Capacity
Watt hours (cumulative) Elapsed charging time
voltage of all 4 pins (v-, d+, d-, v+) Resistance of the connected load
Elapsed charging time
CONVENIENT MULTIMETER FOR DAILY LIFE: With the handy tester you can judge the performance of the charging equipments and get some data of the devices you are charging. It is very simple to use. Just plug directly into any USB socket or cables without additional power supply. It supports QC 2.0, QC 3.0, Android BC1.2, iPhone 5V 2.4A and ATK-PE voltage test.
3 DISPLAY MODES: Click the button and you can switch 3 various display modes. The clear OLED monitor can display all the data you need, such as voltage, current, capacity, watts, elapsed charging time, voltage of all 4 pins and so on. The data will be saved until you reset them, even the electricity of the USB tester is cut off.
MULTIFUNCTIONAL USB TESTER: You can easily measure the USB ports(such as PC USB, wall/car chargers...), get the true capacity of your power bank or solar charger, test the speed or quality of your charging cables, get the detailed charging data to prevent any accident... You can find more funny functions with this USB Tester!
PORTABLE BUT ACCURATE MULTIMETER: The USB tester fits to personal use, factories and laboratories. It is very lightweight and very easy to take away. Just take it out of your bag or your pocket when you need it. Strong anti-interference ability enables its stable and reliable performance. It perfectly performs like those huge and professional multimeter.
WHAT YOU GET: 1x USB Safety Tester, 1 year Warranty and Costyle warm customer service. If you have any questions or anything you feel unsatisfied with, please feel free to contact us by message. We sincerely hope that our products and customer service can offer you a GREAT PURCHASING EXPERIENCE on Amazon!