Cooper Atkins 5028 Probe

Slim Temperature/Humidity Probe, 0° to 150°F/-18° to 66°C temperature range, response time 30 seconds in moving air, 5" (127mm) shaft length, 1/4" (6.35mm) shaft dia., 6' (1.8m) cable length, 8.30 x 1.0 x .700" (21.08 x 2.54 x 0.18cm) (Cooper)