OTC Tools 3940-HD Digital Multimeter Kit for Heavy Duty Trucks

The OTC Tools 3940-HD is a professional-grade digital multimeter kit specifically designed for heavy duty truck diagnostics and repair. This comprehensive testing solution combines a high-performance multimeter with a mid-range amp probe to tackle the demanding electrical systems found in commercial vehicles.

Key Features:

• Non-intrusive AC/DC current measurement for safer, more efficient diagnostics
• Mid-range amp probe with 2-600 amp measurement range (AC/DC) covers HD truck components and electric motors
• Advanced test functions including frequency, duty cycle, diode, and continuity tests
• Extended 5-foot test leads provide superior reach in tight engine compartments and under-chassis applications
• Detachable probe tips compatible with the included amp probe for versatile testing configurations
• Professional-grade construction built to withstand the rigors of commercial truck shop environments

This complete kit delivers the precision and functionality needed to diagnose electrical issues in heavy duty trucks, from battery and charging system testing to motor circuit analysis. The combination of extended leads, detachable probes, and wide amperage range makes it an essential tool for fleet maintenance technicians and heavy duty diesel mechanics.