Quad-Twist™ cryogenic wire (WQT-32) is a four-lead, non-ferromagnetic phosphor bronze wire with two twisted pairs, designed to minimize electromagnetic noise pickup in cryogenic sensor applications. It is available in 32 AWG with polyimide insulation, rated for 493 K thermal classification and 400 VDC breakdown voltage. The wire incorporates 3.15 twists per centimeter per pair, with the pairs entwined at 1.57 twists per centimeter. Each lead has a diameter of 0.203 mm and is color-coded for easy identification. The phosphor bronze alloy composition is nominal 94.8% copper, 5% tin, and 0.2% phosphorus, with an electrical resistivity of 11 µΩ·cm at 293 K and low magnetoresistance suitable for magnetic field environments.
Lake Shore manganin wire is often used for cryostat wiring or heater requirements in nonmagnetic applications.
| Lake Shore Cryotronics, Inc. | |
|---|---|
| Product Category | Cryogenic Equipment |
| Product Number | WQT-32 |
| Product Name | Quad-Twist™ Cryogenic Wire |
