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Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
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  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester
  • Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

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Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester 4.30 US$7.50 (293)
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Kcx-017 LCD USB Voltage Current Detector Mobile Power USB Charger Tester Meter

Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Description:
This test can be a USB charging current, voltage, discharge capacity,  intelligent devices.
It can be very easy to find digital device charging problem.
Tester three dimensional size 60 * 28.5 * 15mm (without cable), about 15 cm  length of the line
The only button on the tester is used to view and test data switch, the  tester can store 10 groups of test data

Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Specifications:
1. Input Voltage: 3V - 7V

2.Input current: <3.4A

3. Parameters that you can test: Voltage of battery.
Current of battery, value of discharging capacitor.(Total ten parameters)

4. Communication function: Yes

5. Parameters adjusting function:Yes.
Equipment for parameters adjustment: One electronic load, one constant current  source.
Voltage of constant current source should be set to 8.5V  There  are 3A, 2A, 1A and 0.3A models for current adjusting.
Here is a example for 3A:
When you set electronic load at 3A model, the current will be adjusted step by  step. It will cost you about 10 seconds and you can see the result changing procedure in the LCD screen. When you see the 3A result shown in LCD screen, the  adjustment process is finished. You can shut off the electronic load and the  parameters will be saved automatically.

6.Clean the data: Push the button until the parameters changed to next sets of  parameters. Then release the button. Then the next sets of parameters will be 
 started and they will start from zero.

7. Check the parameters: Quick beat the button double times(within 0.5s), then  it is checking model. The LED background will be flash.Then you can see the 
next  set of parameters in LCD screen. Quick beat the button double times again, you  release the parameters checking model. LED background be be light with
 flash.

8. Over voltage or under voltage: An arrowhead will be shown in LCD screen and  LED background will flash. Push the button and LED will be light without flash. 
 It will last 30s.

9. Turn on model.
The LCD screen will show all parameters within 1s when you connect power supply  by Micro USB or male plug of USB with wire.(It is to check whether the 
LCD screen  is good or not). Then you can see the parameters used last time(capacitor and  which set of parameters). You also can see the current voltage, 
current and over  voltage or under voltage. Please see following illustration. 

USB output port can be connected to a data line, a discharge resistor or the  like cable device comprising a data communication function, the data does not affect the data transmission line.
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Test specifications, voltage can not exceed 7V, current can not exceed 3.5A
Note:When the voltage is lower than  4.7V on the instrument display or higher than 5.3V,the LCD screen will flash,Does not affect the use

Application examples 
Because mobile phones and digital devices at low battery or full charge, the  current and voltage is not a stable value, the application example of the  discharge 
device is a USB 1A or 2A discharge resistor. 

The first group of pictures charger test 
ipad original charger connected to 2A load resistor, the output current and  voltage to 5.01v 1.89A
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

ipad original charger via USB HUB, connect the 2A load resistor and mobile  phones,the measured value of the maximum current and voltage 5.01V 2.28A, very good  charger, 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Salcomp(a NOKIA company) charger connected to 2A load resistor, the output  current and voltage to 5.01v 1.89A
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Salcomp(a NOKIA company) charger via USB HUB, connect the 2A load resistor  and mobile phones, the measured value of the maximum current and voltage 5.01V 2.20A,
 very good  charger, 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

BOSE charger 1A current load resistor connected to 2A current automatic  charger immediately to protect the output, good charger
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Mobile power connector USB HUB for mobile phone charging, the measured  voltage and current values 5.00V 0.44A 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Mobile power via USB HUB, connect the 2A load resistor and mobile phones, the measured value of the maximum current and voltage 4.86V 1.96A, Still good  mobile power 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

The Second group of pictures USB data cable 
LG 1M original data cable, 1A current charger, USB tester, test results 4.8V  0.92A 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Palm 1.8M original data cable, 1A current charger, USB tester, test results  4.71V 0.90A 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Samsung 1.5M original data cable, 1A current charger, USB tester, test  results 4.80V 0.92A 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Orange data cable, 1A current charger, USB tester, test results 4.22V  0.81A,This cable quality is not good 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

Mobile power discharge capacity test 
Begins to discharge 0001mAh 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

0002mAh 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

10 minutes after the discharge capacity was 0164mAh 
Kcx-017 LCD USB 3V-7V Voltage Current Detector Power Tester

We conclude that the charging current is 0.98A, the discharge capacity of 10  minutes 164mAh, one hour 984mAh, this mobile power one hour charge or  discharge capacity
of the entire 1A exactly 

Note: This data is mobile power discharge capacity, the battery capacity is not, according to our experience, the discharge capacity is about 1.9 times the battery
capacity.  
The former Test Reference Manual Tester discharge capacity value is cleared, and the mobile power is fully charged. 


Package:
1X Kcx-017 LCD USB Voltage Current Detector Mobile Power USB Charger Tester Meter

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  • USB SURVEY DEVICE

    By:fpierrebg 2017-05-13 11:53:20
  • Very good and useful product. Can check any USB connection very quickly and more. Any technician using USB should have at least one with his tools.
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  • USB тестер

    By:Racer 2017-05-10 09:48:23
  • Тестер работает как надо, проверил все USB шнуры и зарядки. Для определения емкости аккумуляторов, без умной зарядки, то что надо.
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