The Fluke 742A Series covers values from 1 ohm all the way to 10 megohm. These are the finest-quality air resistors you can buy. They’re durable, easy to maintain, and easy to use.
Their excellent temperature stability allows them to be used from 18°C to 28°C with typically less than 2 ppm degradation. Using the calibration table supplied with the standards, which lists corrections in 0.5°C increments, this uncertainty can be reduced to near zero.
Convenient air resistors don’t require oil or air baths
Calibrate resistance thermometers and other devices
Easily transported for on-site resistance calibration
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