Guildline Instruments GL 1050 Series of Resistance Transfer Standards are designed as very high stability calibration laboratory transfer standards for customers looking to replace the old ESI SR1050 Series.
GUILDLINE INSTRUMENTS 7520 PRECISION AUTOMATED VOLTAGE DIVIDER is the latest innovation in DC Voltage Dividers. The 7520 is a unique patent pending voltage divider containing a Zener based voltage source, resistive voltage divider network, and optical null detector; all operating inside a temperature stabilized chamber!.
GUILDLINE INSTRUMENTS NEW 9333 SERIES of Air Resistance Standards are cost effective laboratory, portable or just general purpose resistance standards. They are very stable and are designed to be used across a wide temperature range.