Guildline Instruments GL 1050 Series of Resistance Transfer Standards are designed as very high stability calibration laboratory transfer standards.

This is a very high quality laboratory standard with same operation, specifications and layout of the original ESI design.  It features high transfer accuracy better than 2 ppm! There are two models with decade values from 1 MΩ/step and 10 MΩ/step. The resistance transfers from 100 kΩ to 110 MΩ.