- esi SR1050 Series 1M & 10 M Resistance Transfer Standard
- HRRS-5 kV & 10 kV Series - High Resistance Decade Box
- SR102/103/104 Series
- Highest accuracy (1 ppm/yr) and stability (±0.5 ppm/yr typical) of any resistance standard
- Lowest temperature coefficients (< 0.1 ppm/ºC)
- Available in 3 models: 100Ω, 1000 Ω, 10,000Ω.
- Has remained the foremost resistance standard, with no equivalent, for over 35 years
- 5 Year Warranty Included