This portable digital ohmmeter is a practical instrument for low resistance measurement, ideal for use in the workshop, field or test facilities.

It is of rugged construction contained in an aluminium case with tilt handle.
The DO4A has many advanced features, digital calibration and long scale length, 4,000 count.

The rechargeable sealed lead acid battery means real portability with more than 14 hours continuous operation, without the problems normally associated with other battery types.

Full measurement capability is maintained whilst charging.