Review on 🔌 MakerHawk USB 3.0 Tester: Advanced Meter for USB Power, Voltage, and Current Analysis - AT34 by Joe Greiner

Here is the User Guide: USB Tester Guide Model: AT34 Display Screen: 0.96" IPS Color Display Voltage Measurement Range: 3.70V-30.00V Voltage Measurement Resolution: 0.01V Current measurement range : 0-4000A Current measurement resolution: 0.001ACapacity accumulation range: 0-99999mAh Voltage measurement accuracy: ±(0.8% + 4 digits at 25°C) Energy accumulation range: 0-99999mWh 999.99Wh Current measurement accuracy: ±(1%+ 4 digits, at 25℃) Load Resistance Range: 1ohm - 9999.9ohm Power Measurement Range: 0-120W Temperature Range: 0℃-80℃/32℉176℉ Temperature Measurement Error: ±3℃ / ±6℉ Operating Temperature Range: 045℃ Refresh Rate: 2Hz Dimensions: 64mm x 22mm x 12mm Product weight: 14g (28g package) Fast charge detection mode: QC2.0, QC3.0, APPLE 2.4A/2.1A/1A/0.5A, Android DCP, SAMSUNG function interface Case : Main measurement interface Fast charge detection interface Key instructions Solution: The button is located on the back of the tester. There are 2 working modes: long press and short press. A short press switches between the main measurement interface and the fast charging detection interface. Long press to switch system settings. Icon Function Introduction 1: Press and hold the button to select this icon to open or close the screen. 2: Press and hold the button to select this icon to switch the temperature unit. 3: Long press the button to select this icon and switch the data group. 4： Press and hold to select this icon and delete the data group. 5: Long press the button to select this icon, rotate the screen. User Manual: After power on, the welcome interface will be displayed first, then the main measurement interface will be displayed. Interface. main measurement interface. voltage measurement. The current measurement. Usage 12: Measure Equivalent Load Resistance. Press the button on the back to switch to the fast charge detection interface. Interface 2: fast charging detection interface: D+: (DP) data signal positive level. D-: (DM), negative data signal level. Display mode The product automatically detects a device with a supported fast charging mode. The device currently supports QC2.0, QC3.0, APPLE.