Heraeus Platinum Temperature Sensors -70 to +500 °C 3850ppm/K Class – Heraeus 32 208 571, This wired platinum temperature sensor is typically used in automotive applications, domestic appliances, air-conditioning and heating technology, process industry and medical technology. Heraeus M222 Pt 1000 platinum temperature sensor -70 – +500 °C 3850 ppm/K Class