• YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack
  • YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack

YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack

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  • Price:$55.76
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YK-VR1220H Lithium Battery Meter Voltage & Resistance Meter w/ Clips Battery Holder For Battery Pack

Attention:

(1) The interface of our module is clear, featuring stable performance. Please refer to the information provided by our store to do functional verification corresponding to experimental conditions.
(2) The basic parameters of the module are mentioned below. Module PDF file with module parameter index is provided, while schematic diagram and engineering files are not provided. If you has operational problems, please consult customer service.
(3) Before using the module, please read the information of this module, understand the power supply and usage restrictions, and avoid damage to the module due to improper operation.
(4) Our store modules guarantee to provide real module parameters, functions and pictures. All modules have passed inspection before shipment.

Description:
The unit of internal resistance is generally milliohm (mΩ). A battery with a large internal resistance will cause high internal power consumption and serious heat during charging and discharging, which will cause accelerated aging and life decay of lithium-ion batteries, and will also limit the large rate Of charge and discharge applications. Generally speaking, the smaller the internal resistance is, the better the life and rate performance of the lithium-ion battery will be. Battery quality and matching battery can be evaluated by measuring its internal resistance.

This product adopts 4-wire AC constant current measurement scheme, with high measurement accuracy and wide range. It can measure the internal resistance and voltage of batteries such as lead acid, lithium ion, lithium polymer, lithium iron phosphate, alkaline, dry cell, nickel-metal hydride, nickel-cadmium, button cell and battery pack. It meets the testing requirements of most common batteries. The internal resistance measurement resolution can reach 0.001 milliohms, and the measurement range can reach 200 ohms. The voltage measurement resolution can reach 0.0001V and the range can reach ±120V.

The product has a filter function. The range of filter parameters (such as internal resistance, voltage) can be set in the menu. After the battery to be tested is placed in test clamps (optional), the product will automatically compare the measured parameters with the set parameters. When the battery passes the parameter test, the instrument beeps once. And when the battery fails the test, it beeps twice. Users do not need to observe the display frequently thanks to its high efficiency and precision.

Features:
- High-precision internal resistance DC voltage meter
- Resistance and voltage displayed in one screen for easy reading
- Screening mode featuring high speed and accuracy
- Two languages, Chinese and English, to switch

Module Parameters:
- Measurement parameters: AC resistance; DC voltage
- Basic accuracy: Resistance: 0.50%. Voltage: 0.50%
- Measuring range: Resistance: 0.001mΩ to 200Ω. Voltage (DC): 0.0001V to ±120V DC
- Rechargeable: Yes (built-in lithium battery)
- Maximum input: Resistance: None. Voltage: 150V (Exceeding this range may cause damage to the product)
- Resistance display resolution: 0.001mΩ at 20mΩ; 0.01mΩ at 200mΩ; 0.1mΩ at 2Ω; 1mΩ at 20Ω; 10mΩ at 200Ω
- Voltage display resolution: 0.0001V at 5V; 0.001V at 50V; 0.1V at 120V
- Range: Resistance: 5 range automatic + 5 range manual. Voltage: 3 range automatic + 3 range manual
- Filter mode: You can set the filter internal resistance range and the filter voltage range. When the measured object passes the screening, the meter beeps once, and when the measured object fails the screening, the instrument beeps twice
- Calibration: Resistance: each range is individually manually calibrated without affecting each other. Voltage: each range is individually and manually calibrated without affecting each other
- Factory setting: It has been calibrated. Users can calibrate by yourselves, or restore the factory setting
- Language: Chinese/English can be switched
- Energy saving: Brightness: 0%~100%, 11 levels adjustable. Automatic shutdown: 1~120 minutes without operation, automatic shutdown/no shutdown
- Buzzer: switch configurable

Communication:
- Interface: micro USB
- Protocol: for MODBUS protocol
- Baud rate: 1200~256000 adjustable (default 9600)
- Device address: 1~32 adjustable (default: 1)

Precautions:
(1) Fixtures and probes used during the test should be in complete and stable contact with the tested surface;
(2) The product only supports DC voltage measurement. Please use according to the designed range, do not input AC voltage or DC voltage above 150V to the product;
(3) During charging, it is forbidden to measure the power supply after the mains voltage has been reduced.

Package Included:
- 1 x Voltage & Resistance Meter
- 1 x Pair of Clips
- 1 x Battery Holder

Note:
- Other items mentioned are not included, for demonstration purposes only. Thank you for your understanding!


FAQ:
Q: When using USB to charge, it is found that charging current is small and charging speed is slow.
A: The designed charging current of the product is about 600mA, but if the quality of the USB cable is poor (larger internal resistance), the voltage will have greater line loss, and the charging current will decrease. You can replace a better USB cable. The charging speed will be faster. (Generally speaking, the wires have wire loss, and the charging current is more than 200mA.).

Q: Can the product be used to measure AC voltage?
A: No. It is strictly forbidden to input AC signals and DC voltages higher than 150V.

Q: Can we calibrate the product? Can it be restored to factory settings?
A: Users can calibrate or restore factory settings. The product has been calibrated before delivery, and the parameters are stored inside the machine. Users can also re-calibrate according to their own needs (generally, there is no need to re-calibrate). If the calibration is wrong or the parameters are found to be inferior to the previously preset parameters after calibration, the settings can be restored.


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