Typical connection for Cryogenic sensors such as the CY7 series. The connection points (A) are made close to the sensor in the case of 4-lead measurement, and near or at the instrumentation for a 2-lead measurement. Generally, the 4-lead connection is preferred.
4-lead wire, 32 AWG, 25 ft. with Phosphor bronze wire, Insulation is polyimide on 32 AWG wire and formvar (vinyl acetal) on 36 AWG wire. Both types of insulation are rated down to 1.4K
4-lead wire, 36 AWG, 25 ft. with Phosphor bronze wire, Insulation is polyimide on 32 AWG wire and formvar (vinyl acetal) on 36 AWG wire. Both types of insulation are rated down to 1.4K