590-32BP01-203 500 Series surface temperature probe, NTC, 20,000 Ohm, ±0,2 °C [0.36 °F] tolerance, 0 °C to 70 °C [32 °F to 158 °F] accuracy, tin-plated copper, ring tongue (#10), flying leads (two), 22 gauge PVC insulation, 914 mm [36 in]
590-33AA33-503 500 Series surface temperature probe, NTC, 50,000 Ohm, ±0,2 °C [0.36 °F] tolerance, 0 °C to 70 °C [32 °F to 158 °F] accuracy, aluminum, threaded body (8-32 UNC-2A), lead wires/AMP 104257-1, 28 gauge Teflon insulation, 30 mm [1.2 in]