Nov 20, 2025
What Are the Key Differences Between RF4, RF17N, and DT-17N Multimeters for Phone Repair?
RF4 excels at basic voltage/resistance checks (ideal for Diytool users). RF17N adds diode/test continuity (great for Phonefix port repairs). DT-17N has precise microcurrent detection (best for motherboard chip troubleshooting). All fit phone repair’s compact spaces but target different skill levels.