SANTA ROSA, Calif.--(BUSINESS WIRE)--Keysight Technologies, Inc. (NYSE: KEYS) today announced the addition of two higher temperature models to its thermal imagers’ portfolio. The U5856A and U5857A can perform temperature measurements up to 650 degrees C and 1200 degrees C respectively. This allows users to detect a wide temperature range for various applications such as petrochemical and steel processing, electrical and mechanical applications, building maintenance and even electronics applicat