Industrial Bimetal Thermometer is used for measuring temperature of gaseous or liquid fluid. This is suitable for measurement, regulation and direct monitoring of the fluid. It is used for local engines, compresors, turbines and stoves. Place of Origin: China Features: 1)Nominal Diameter: 63 up to 150 mm 2)Scales & Ranges: Available for low and high temperatures at Celsius temperature (C) and Fahrenheit Temperature (F) 3)Working range: Maximum scale value 4)Case and cover: Black steel - Stainless Steel 5)Window: Glass Stem Diameter: 6.4, 8.0 and 10mm 6)Thread: 1/2" BSP, NPT, BSPT or M20X1.5 etc, or as customer's request 7)Stem Length: 5cm to 60cm 8)Dial: White Aluminum 9)Connection: Back or Bottom or Adjustable connection