Cropico DO7 Micro-Ohmmeter

Cropico DO7 Micro-Ohmmeter – Trusted Portable 10 A Tester for Demanding Environments

The Cropico DO7 is a robust, battery-powered micro-ohmmeter designed for accurate low-resistance testing in utility, rail, aerospace, and industrial applications. With a 10 A test current and precision down to 0.1 µΩ, the DO7 has earned its reputation as a reliable workhorse in the field.

• Test current: 10 A DC

• Measurement range: 0.1 µΩ to 6 Ω

• Accuracy: ±0.2% of reading ±0.2% full scale

• 4-wire Kelvin technique: Ensures high measurement integrity

• Battery or AC operation: For maximum flexibility

• Large LED display: Easy to read in any lighting

• Includes: Kelvin leads, charger, rugged case

🚧 Favored by maintenance teams and utility crews for its durability, portability, and dependable accuracy.

🛠️ Duncan Instruments introduced Cropico ohmmeters to Canada in 1968 — and we still support them today. Contact us for calibration, service, or bulk orders.