Check the listing for details. Tel-Tru SD3 Industrial Digital Thermometer | 1.5" Tri-Clamp, 3" Face, 4.5" Probe. Condition: New. Listed at 380.00 USD. The Tel-Tru SD3 digital thermometer is designed to deliver industry-leading value. It is rugged and dependable for use in sanitary applications, available in NPT or Tri-Clamp configurations to meet customer needs. All models are NIST traceable and include a lithium battery that lasts a minimum of 8 years.* The SD3 meets 3-A Sanitary Standard 74-07 requirements, making it suitable for commercial applications ranging from food & beverage to pharmaceutical or petrochemical, and more. Available with a 2.5" or 4.5" long probe. Heavy-duty 3" 304SS hermetically sealed case Digital sensor for maximum precision Response rate of 1 second 8-year lithium battery* Temperature Range: -67 to 302°F Accuracy: ±0.4°F High-visibility 0.4" tall LCD display 316SS probe Glass lens 1.5" TC connection Made in USA *Battery life expectancy is eight years at normal room temperature.