The 7334 SERIES of AC/DC Air Based Resistance Standards are designed for high accuracy resistance calibration in air.


Guildline Instruments 7330 Series of Oil Based Resistance Standards are designed for high accuracy resistance calibration in oil (Fluid Baths) or in air.


The 6634A Series is a modular set of up to ten 4-Terminal Resistance Standards that can be rack or bench mounted. The 6634A Series provides a set of customer chosen precision resistance standards enclosed in a temperature controlled chamber.


Guildline has SCW wire manufactured to our own demanding specifications. This wire provided the best in 2 or 4-wire measurement applications utilizing Direct Current Comparator Bridges, Low Thermal Range Extenders and Precision Resistance Standards.