1.80mm SS CASE Bimetal Thermometer Temperature Gauge 2.Stainless Steel Bottom/ Back ... : 75, 100, 150, 63, 100, 150,200,250,300,400,500,800,1000,1200,1500,2000mmConnection: 1/2”BSP center back ... deg C, 0-100 deg C, high temperature up to 500 deg C for option in Stainless Steel bulb and pocket ... x (t2 – t1)% of the span where: Bimetal Thermometer 80mm SS