{"product_id":"witrn-k2-black-36v-ina226-multifunctional-usb-tester-power-meter-voltmeter-ammeter-pd3-1-fast-charging-detector","title":"WITRN K2 Black (36V INA226) Multifunctional USB Tester Power Meter Voltmeter Ammeter PD3.1 Fast Charging Detector","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e- Support USB PD3.1, USB PD3.0 fast charging standard has been upgraded, PD3.1 fast charging standard supports up to 48V voltage output, and the charging power has been increased to 240W.\u003cbr\u003e- Aluminum alloy CNC shell, 1.54-inch color IPS LCD screen displays larger and clearer, with a resolution of 240x240 (wide viewing angle screen).\u003cbr\u003e- 240MHz ultra high speed M4F 32-bit CPU with FPU hardware acceleration unit and independent 16-bit high-precision ADC sampling chip.\u003cbr\u003e- New protocol detection arrangement, one click detection of fast charging protocols supported by power supply equipment, making it clear at a glance what protocols the power supply equipment supports.\u003cbr\u003e- Record the Wh capacity during device charging\/discharging, and convert it to mAH using the Wh conversion function. Determine the charging and discharging efficiency of the device by the ratio of its discharge capacity to its charge capacity.\u003cbr\u003e- Double ended TYPE-C data cable, E-Marker data measurement; Read chip information with E-Marker chip cables, supporting Thunderbolt 3, Thunderbolt 4, Thunderbolt 5, USB4, EPR cable detection, and supporting 50V 5A PD3.1 EPR cable detection.\u003cbr\u003e- Detect 100W 5A charging head, enable virtual E-Marker function, no need to connect 5A data cable with E-marker later, more convenient protocol detection.\u003cbr\u003e- Paired with professional commercial loads, it can detect the ripple frequency of output devices such as charging heads, intuitively reflecting the output stability and quality of the equipment.\u003cbr\u003e- By connecting the UID port of K2 to a computer, it is possible to observe the voltage\/current\/power\/temperature curves throughout the entire charging period, while also supporting fixed-point data queries at any time point during the period.\u003cbr\u003e- More functions: Internal resistance detection of data cables, identifying the quality of data cables; Gravity automatic screen rotation function; Personalized customization of startup page.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eInterface and Buttons:\u003c\/b\u003e\u003cbr\u003e- HID interface: K2 is a separate power supply interface or connected to the upper computer for updates.\u003cbr\u003e- Type-C male port: 24P straight through high current and high conductivity copper USB-C terminal.\u003cbr\u003e- Type-C female port: supports current input and output.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003cbr\u003e- Measurement voltage: DC 3.3 ~ 48V (K2-237)\u003cbr\u003e- Measurement voltage: DC 3.3 ~ 36V (K2-226)\u003cbr\u003e- Voltage resolution: 0.0001V\u003cbr\u003e- Capacity record: 0 ~ 99999Ah\u003cbr\u003e- Measurement current: 6A (10A short-term peak)\u003cbr\u003e- Current resolution: 0.0001A (bidirectional current detection)\u003cbr\u003e- Capacity record: 0 ~ 99999Wh\u003cbr\u003e- CPU: ARM M4F 240MHz high-speed 32-bit with FPU hardware acceleration unit\u003cbr\u003e- Display: 1.54-inch color IPS LCD screen, resolution of 240x240 (wide-angle screen)\u003cbr\u003e- Sensor: 3-axis gravity sensor\u003cbr\u003e- Core ADC: 16-bit independent ADC chip (INA226:36V, INA237:48V)\u003cbr\u003e- High speed sampling: 2MHz high-speed on-chip ADC\u003cbr\u003e- Sampling resistor: low resistance sampling resistor (high side sampling) to prevent common ground interference\u003cbr\u003e- Main interface: 24P USB-C male\/female socket direct connection\u003cbr\u003e- External sensor: temperature measurement NTC-20℃ ~ +120℃ (TYPE-C interface special temperature probe)\u003cbr\u003e- Storage medium: EEPROM wear balance\u003cbr\u003e- Firmware upgrade method: USB HID without driver (independent USB-C HID interface)\u003cbr\u003e- Computer online curve: HID upper computer (USB-C HID interface without driver)\u003cbr\u003e- High speed waveform sampling: 2MHz Max\u003cbr\u003e- Ripple analysis: simultaneously lock and display frequency data and ripple value\u003cbr\u003e- Exterior dimensions: approximately 36.4 x 35.5 x 9.55 mm (excluding USB-C male connector)\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x USB Tester\u003c\/p\u003e","brand":"WITRN","offers":[{"title":"Default Title","offer_id":41028917002289,"sku":"100972","price":30.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1773105515-1.jpg?v=1780359833","url":"https:\/\/www.thanksbuyer.com\/es\/products\/witrn-k2-black-36v-ina226-multifunctional-usb-tester-power-meter-voltmeter-ammeter-pd3-1-fast-charging-detector","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}