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  • OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector
  • OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector
  • OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector
  • OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector
OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector

OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detector COD

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                        Overview:

                        Multifunction wide voltage type (3-30V) 0.96" OLED USB  Security Monitor .Voltage, current, capacity, Electrical voltage, power, timing and other data, a screen display, Take-all measure!

                        • This test can be a USB charging current, voltage, discharge capacity,Quantity of electric charge,power, timing, intelligent devices.
                        •  It can be very easy to find digital device charging problem.
                        •  Tester three dimensional size 65 * 24 * 14mm                                                                                   
                        •  The only button on the tester is used to view and test data switch, The tester can be powered down to save dat
                         
                        Function Key Descriptions:
                         
                        Long press: display after-sale interface on the front page; the reset function on the interface of magnification capacity and electric quantity 
                        Double-click: capacity zero clearing
                        Three-click: electric quantity zero clearing
                        (electric quantity and capacity with PW CUT MEMORY)
                        Four-click: cumulative time reset to zero
                        Five-click: enter into charging timing and cut-off duration settings 
                         
                        Features: 
                         
                        1. 100% Brand New and High Quality. 
                        2. This is the mini USB meter. It can measure  voltage, current, power and capacity. 
                        3. It can clearly display all the data. Can easily measure  the USB port and device operating current and the output voltage charge-discharge capacity, performance, and judge the performance of the charging cable charging equipment 
                        4. This tester can meet the requirements! Fit to factories, laboratories and personal use wide range 
                        5. Easy to use, easy to take alone, no additional power supply 
                        6. Support  QC2.0, Compatible  QC3.0, BC1.2, Apple voltage range 
                        7. Support  USB double-sided plug 
                         8. Suiable for testing PC USB, cell phone charger, car charger , mobile power , etc.
                         
                        Specification:
                         
                        1. Model: J7-4T
                        2. Material: Plastic 
                        3. Color:  Black 
                        4. Voltage: 3.0000-30.000V 
                        5. Current: 0-5.1000A 
                        6. Operating temperature: -10 - 60°C 
                        7. Size: 65 x 24 x 14mm
                        8. Input Voltage: 3.0000V - 30.000V
                        9.Input current : 0 - 5.1000A 
                        10.Cumulative capacity range: 0-99999 mah precision: 0.001 Ah
                        11.Charge accumulation scope: 0-999999 MWH precision: 0.001 Wh
                        12.Cumulative power range: 0-299.999W precision: 0.001W
                        13.Timing the maximum range: 0-999 hours 59 minute 59 seconds precision: 1 second
                        14.Parameters that you can test: Voltage of battery. Current of battery, discharge capacity of battery,Quantity of electric charge,power of battery,timing.
                        15.Communication function: Yes
                        16. 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 OLED screen.
                        When you see the 3A result shown in OLED  screen, the  adjustment process is finished. You can shut
                        off the electronic load and the  parameters will be saved automatically.
                        17. 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.
                        18.  Over voltage or under voltage : Over voltage or under voltage,OLED screen displays a warning symbol and issue rapid beep beep sound.
                        19.  Turn on mode l: The oled 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 OLED 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.
                        Test specifications, voltage can not exceed 30V, current can not exceed 5.1A.
                        Note:When the voltage is lower than 3V on the instrument display No display screen or higher than 22V,oled screen displays a warning symbol and issue rapid beep beep sound, it 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.
                         
                        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 Include
                         
                        1 x OLED USB Voltage Current Detector Mobile Power USB Charger Tester Meter

                        Detail Pictures:













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                        (2) Business days do not include Saturday/Sunday and any public holidays.
                        (3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
                        (4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
                        (5) Expedited shipping can not be used for PO Box addresses

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