Portable microhmmeter takes 'new lead' in accuracy

The Cropico DO7 digital microhmmeters have specially developed handspike test leads to add increased accuracy to their rugged, portable construction, simplifying repeatable low resistance measurements

The Cropico DO7 digital microhmmeters come with specially developed handspike test leads to add increased accuracy to the unit's rugged portable construction, simplifying repeatable low resistance measurements in the workshop or field.

The HSO series leads are robust and easy to use, with a different handgrip design than conventional handspikes allowing them to be held in any position: whatever is needed for each application.

Offered with a choice of a remote start button for increased versatility and a range of lead lengths, they give accurate and long-term measurement repeatability.

Built within a sealed ABS plastic case having a lid and carrying handle, the instrument offers pushbutton selectable ranges of 600mW to 60W with resolutions between 0.1mW and 10mW.

Full portability is provided by mains/rechargeable battery power giving over 1 hour of continuous working on the lowest ranges and 20 hours operation on all others.

The latest models also feature input protection up to 415Vrms, key-protected digital calibration and a long scale length of 6000 count displayed on a daylight viewable 0.8inch LED with automatic decimal point and polarity indication.

They offer 10A measuring current on the lowest ranges, plus forward and reverse measurement with an auto-averaging provision, with true 4-wire measurement eliminating lead resistance errors.

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