Cropico DO4001 Micro-Ohmmeter

Cropico DO4001 Micro-Ohmmeter – Field-Tested Precision with 10 A Output

The Cropico DO4001 is a rugged, battery-operated digital micro-ohmmeter built for field technicians who need accurate low-resistance measurements with up to 10 A of test current. With a long-standing reputation for durability and performance, the DO4001 is a trusted tool for power utilities, electrical contractors, and maintenance crews.

• Test current: 1 A or 10 A DC

• Measurement range: 0.1 µΩ to 400 Ω

• Kelvin 4-wire test method: Accurate results with minimal lead resistance

• Battery-powered: High capacity for extended field use

• Dual measurement modes: Auto and manual ranging

• Includes: Kelvin leads, heavy-duty case, and charger

🔌 From the company that started it all for Duncan Instruments, the DO4001 carries forward Cropico’s legacy of precision in industrial ohmmeter design.

🔧 We’ve serviced and supported Cropico ohmmeters since 1968 — contact our in-house team for calibration, repair, or expert assistance.