brand name：Explosion-proof digital thermometer model number：KJT- CXTU-822 Temperature range：The default temperature range is -50-200℃, please contact customer service for quotation if you need other temperature range. Product Diameter：140mm Dial Diameter：100mm Installation：Default thread is movable thread M27*2 (thread O.D. 27mm. Pitch 2mm), G1/2, M20X1.5. power supply：Default is 2 x 5 batteries Display Color：Black digital display dial panel：Switched as standard material (that sth is made of)：Shell, cast aluminum, temperature measurement part of the whole stainless steel 304 materials protection class：IP66 Explosion-proof symbol：ExdII CT6 Gb