Cooper-Atkins 2234-0-1 Compost Bi-Metal Thermometer with Glass Lens, 2" Dial Size, 24" Stem Length, 50°F to 190°F and 10°C to 90°C Temperature Range
Measure temperature of compost to ensure proper timing for turning the compost. Optimal temperature range is highlighted on the 2" dial face. Bimetal coil sensor is located at the end of the 23" stem.