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Digital Show USB multifunction tester 3V-30V Mini Present Voltage Charger Capability Tester USB Physician energy financial institution meter
Efficiency parameters
1, enter / output voltage: 3V-30V
2, the enter / output present: 0A- 3A
3, the check capability vary: 0-99999 mA
4, accuracy: ± 1%
5, the check: voltage, present, discharge movement
6, the communication perform:
7. Timing: YES
8. The over-current safety: Sure
Second, the use
Energy show present and voltage, a single quick press the button for about 0.5 seconds to view the capability and timing screens. When displayed on the display screen press capability round button for 2 seconds to clear the saved knowledge. When the show display screen on the timing of the lengthy press button for 2 seconds shall be flashing numbers, after which press a single button for 0.5 seconds every time the cumulative 0.5 hours per block lengthy press 2 seconds to substantiate the save. To not adjusted to the timing of the timer perform 0 hours (0 hours is often open) cellphone is totally charged to mechanically flip off the output. No load 20 seconds mechanically shut down output. Present exceeds 3A will mechanically shut down when the output voltage is larger than 22V. Shut present output window shows OFF. Single quick press the button for about 0.5 seconds to activate the output.
Three traits
The cellphone is totally charged to mechanically flip off the output. No load 20 seconds mechanically shut down output.
It shows the voltage and present knowledge mAH, timing, simple viewing
It may possibly detect cell energy output mAH
Energy-down save perform
USB and MicroUSB port male double take energy, may be detected MicroUSB line high quality
Present sampling 50 milliohms, smaller loss
With precision present calibration, larger present accuracy (calibrated okay shipped)
Measuring voltage and present:
USB male plug 5V chargers, cell phones and different tools feminine insert, learn present and voltage instantly
MicroUSB line high quality measurement: feminine plug cell phones and different gadgets, first use the native male plug 5V chargers, do not forget that voltage, then MicroUSB cable into the bore in thoughts that the machine MicroUSB charger voltage from 5V, the smaller the hole voltage MicroUSB cable high quality is healthier
Battery capability check:
Use TP4056 and different linear charging circuit by this capability to the desk utterly empty battery is totally charged to full capability studying on the battery capability, using this methodology may be measured cost capability of the cellphone, the cellphone may even calculate the charging effectivity
Cellular measuring energy output capability and effectivity:
The primary machine linked cell energy, cell energy activate, lengthy press the button till the amount of knowledge to zero, into the cellphone and extra cell energy charging till no energy mechanically shut down. Subsequent displayed once you flip the unit capability is the cell energy output mAH. Word that this mAH than nominal mAH small output mAH * Output voltage 5V / battery mAH * Battery voltage 3.7V = cell energy effectivity
              
1 x usb tester
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