PT100 RTD Temperature Sensor with RS485 MODBUS RTU – -20°C to 400°C Industrial Transmitter

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- Wide Temperature Range: Measures temperatures from -20℃ to +400℃ with 1% accuracy—ideal for industrial, laboratory, and HVAC applications.
- RS485 MODBUS RTU Interface: Supports MODBUS RTU protocol (03 read / 06 write), enabling reliable data communication with PLCs, SCADA, and control systems.
- Multi-Sensor Cascading: Chain up to 247 modules by assigning unique 485 addresses—perfect for large-scale temperature monitoring networks.
- Stable & Precise Output: Accurately reads both temperature and PT100 resistance values; default 9600 baud rate ensures smooth serial communication.
- Durable & Versatile Design: Compatible with 3-wire and 2-wire PT100 sensors. Built for demanding environments with corrosion-resistant platinum elements.
- Warranty:-The products come with 1 year warranty (To claim warranty feel free to contact amicikart at 980 970 9898 or care@amicikart.com)
Product description
Product Description:
Monitor temperatures with industrial-grade precision using the amiciSense PT100 RTD Temperature Transmitter featuring an RS485 MODBUS RTU module. Engineered for harsh environments, this module provides temperature readings from -20°C to +400°C with 1% accuracy, making it ideal for a wide range of applications—whether in HVAC systems, industrial machinery, scientific labs, or smart automation setups.
Built-in compatibility with both 2-wire and 3-wire PT100 sensors, stable DC 8–25V operation, and low working current (8–13mA) make it energy-efficient and reliable. Plus, it not only reads temperature values but also the real-time resistance of the PT100 sensor, offering additional diagnostic capability.
Whether you’re managing a single machine or a network of devices, this transmitter ensures consistent performance, robust communication, and high-accuracy readings to keep your operations running smoothly.
Technical Parameter:
Temperature measurement range: -20℃ to +400℃
Supply voltage: DC 8-25V (12V is recommended)
Working current: 8-13mA
Communication protocol: MODBUS RTU protocol, supporting 03 read instructions and 06 write instructions.
Serial port baud rate: 9600 (default), N, 8,1
Multi-module cascading: By modifying the 485 address, up to 247 modules can be used in cascading (for more than 16, please use an R485 repeater).
Data reading: It can read the temperature and the resistance value of PT100
Compatible sensor: PT100 3-wire or 2-wire sensor
Temperature measurement accuracy: 1%. If the temperature deviation is too large, please recalibrate
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Description
- Wide Temperature Range: Measures temperatures from -20℃ to +400℃ with 1% accuracy—ideal for industrial, laboratory, and HVAC applications.
- RS485 MODBUS RTU Interface: Supports MODBUS RTU protocol (03 read / 06 write), enabling reliable data communication with PLCs, SCADA, and control systems.
- Multi-Sensor Cascading: Chain up to 247 modules by assigning unique 485 addresses—perfect for large-scale temperature monitoring networks.
- Stable & Precise Output: Accurately reads both temperature and PT100 resistance values; default 9600 baud rate ensures smooth serial communication.
- Durable & Versatile Design: Compatible with 3-wire and 2-wire PT100 sensors. Built for demanding environments with corrosion-resistant platinum elements.
- Warranty:-The products come with 1 year warranty (To claim warranty feel free to contact amicikart at 980 970 9898 or care@amicikart.com)
Product description
Product Description:
Monitor temperatures with industrial-grade precision using the amiciSense PT100 RTD Temperature Transmitter featuring an RS485 MODBUS RTU module. Engineered for harsh environments, this module provides temperature readings from -20°C to +400°C with 1% accuracy, making it ideal for a wide range of applications—whether in HVAC systems, industrial machinery, scientific labs, or smart automation setups.
Built-in compatibility with both 2-wire and 3-wire PT100 sensors, stable DC 8–25V operation, and low working current (8–13mA) make it energy-efficient and reliable. Plus, it not only reads temperature values but also the real-time resistance of the PT100 sensor, offering additional diagnostic capability.
Whether you’re managing a single machine or a network of devices, this transmitter ensures consistent performance, robust communication, and high-accuracy readings to keep your operations running smoothly.
Technical Parameter:
Temperature measurement range: -20℃ to +400℃
Supply voltage: DC 8-25V (12V is recommended)
Working current: 8-13mA
Communication protocol: MODBUS RTU protocol, supporting 03 read instructions and 06 write instructions.
Serial port baud rate: 9600 (default), N, 8,1
Multi-module cascading: By modifying the 485 address, up to 247 modules can be used in cascading (for more than 16, please use an R485 repeater).
Data reading: It can read the temperature and the resistance value of PT100
Compatible sensor: PT100 3-wire or 2-wire sensor
Temperature measurement accuracy: 1%. If the temperature deviation is too large, please recalibrate