Heat detector - Wikipedia

Resistance thermometer - Wikipedia

Defect detector - Wikipedia

Fire sprinkler system - Wikipedia

Resistance thermometer - Wikipedia

Review of Fire Detection Technologies for Autonomous Robotic Fire Suppression Systems (ARFSS) – Unifire

System Sensor 5600 135 Degree Fixed Temperature Rate-of-Rise, Single-Circuit Mechanical Heat Detector with Plain Housing : Industrial & Scientific

Fire alarm system - Wikipedia

Initiating Devices in a Fire Alarm System

Aspirating smoke detector - Wikipedia