Features: Achieve precise temperature monitoring with this PT100 temperature sensors module featuring technology for ±0.1% accuracy across -20°C to +400°C ranges, ideal for industrial automation process controller systems. Engineered with RS485 communication interfaces and protocols compatibility, this PCB based sensors ensures stable data transmission in heavy environment through its noise resistant circuitry. Design for automation engineers, HVAC technicians, industrial maintenance professional requiring reliability temperature measurement solution in manufacturing plant, laboratories. Optimize thermal management in critical applications like chemical processing reactors, food production machinery, and semiconductor manufacturing equipment with real time temperature feedbacks and overload protections circuitry. The metal PCB construction withstands harsh operational conditions while maintaining measurement consistency, backed by reverse polarity protections for enhanced systems integration safety in complex industrial setups. Specifications: Component: PCB+Metal Size:Approx.60.2x30.1mm/2.37x1.19inch Option Type:1pc,2pc,4pcs; Testing Ranges:-20℃-+400℃ Power supply voltages: Dc8-25V (recommended 12V) Working current: 8-13MA Package Includes: Package A 1pc PT100 Couple Temperature sensors Module Package B 2pc PT100 Couple Temperature sensors Module Package C 4pc PT100 Couple Temperature sensors Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.