Equus Products 3340 Professional Automotive Digital Multimeter; Black

Features and Benefits:

• Pro quality features help pinpoint engine problems
• Auto-Ranging; auto shut-off; over-load protection with a 10 MegOhm impedance prevents damage to ECU
• Tests alternator diodes; duty cycle; solenoids; breaker points; wiring; switches; and more
• Automatic zero adjustment; reverse polarity protection
• Monitors vehicle RPM (including Coil On Plug vehicles)