Type T : All Angle Adjustable Bi-thermometer Application: This kind of bimetal thermometer has an all-angle swivel connection. The hermetically-sealed case offers protection from weather and dust, and is guaranteed against fogging up. The bimetal helix is coated with a viscous silicone to minimize pointer oscillation and improve temperature transmission. Dial Size: 2.5",3", 4" 5", 6" Stem diameter: F6.3, F8, F10 Stem length: 65mm, 100mm, 150mm, 200mm, 300mmn Connection thread: 304SS with 1/4”, 1/2”, 3/4” NPT , BSP, BSPT Case: 304 stainless steel Bezel: 304 stainless steel ring Range: -40ºC / ºF to 500ºC / ºF Window (lens): Polycarbonate lens, tempered glass available Accuracy: 1.6% full scale Option Info: Other materials, ranges, connections are available upon request