Brady's Temperature Indicating Labels are designed to document the temperature levels that a piece of equipment reaches during operation. When the equipment reaches a certain temperature, the white area of label serves as a heat sensor and turns irreversibly black. The label acts as a permanent temperature recording, giving clear proof of the highest temperature attained for that piece of equipment. Temperature Indicating Labels are cost-effective temperature sensors for the motor, aerospace, laboratory, pharmaceutical, and computer/electronic industries. They can be used to monitor the temperature during maintenance or to identify problems areas during research and development. Unlike other temperature recording systems that can be interrupted due to main power loss or dead batteries, Brady's Temperature Indicating Labels provide continuous temperature monitoring.