Digitales Micro-Ohmmeter DO4A

The digital micro ohmmeter DO4A is the ideal tool for precise, low-ohm resistance measurement in workshop, field or test facilities. The device has extended functions including protection up to 450 V, digital calibration and mobile operation for up to 14 hours thanks to a rechargeable battery.

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 Measurement ranges selectable from 40 mΩ, 400 mΩ, 4 Ω, 40 Ω, 400 Ω or 4 kΩ
 Measurement current from 100 µA .. 100 mA
 Automatic zero point adjustment to compensate for thermal
 voltages Overvoltage protection up to 450 V
 4-wire measurement technology
 Mains or battery operation (up to to 14 h)