Tag 0-5V Sensor Simulator

Use Guides

How to Use the MRCARTOOL B550 Automotive Circuit Tester

MRCARTOOL B550 circuit tester beside a large operating-guide title.

Connect the B550 safely, use multimeter, oscilloscope and frequency modes, simulate a controlled 0–5 V sensor signal and activate only identified loads with the correct current limit.

Neo
July 3, 2026