SPECIFICATIONS Accuracy: ±0.1% @ 32°F (0°C), alpha 385 per DIN 43 760. Operating Temperature: -40 to 250°F (-40 to 121°C). Probe Diameter: 1/4" (6.3 mm). Probe Length: 6" (15 cm). Probe Material: 304 SS. Mounting: 1/2" NPT male. Enclosure Material: Polycarbonate.