RTD Pt100 to RS485 Converter, 3 Wire, -190~490℃

Good price high-precision Pt100 resistance signal (three-wire) RTD converter with an RS485 (RTU) output for sale. It measures -190~490°C with ±0.1% FS accuracy, operates on 9~28VDC, and features 1500VDC signal isolation for safety. With a compact design, IP54 protection, and reliable performance in -40°C to 80°C, it suits process control, HVAC, power plants, labs, and food industries for precise and durable temperature monitoring.

SKU: CCHN-RTD-MPT71

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Delivery date: 6-25 days

Overview

RTD Pt100 to RS485 converter, measuring -190~490°C with ±0.1% FS accuracy. Operates on 9~28VDC, with 1500VDC isolation, IP54 protection, and reliable performance from -40°C to 80°C. Ideal for process control, HVAC, power plants, labs, and food industries.

Specification

Model	CCHN-MPT71
Input Signal	Pt100 resistance signal (three-wire)
Output Signal	RS485 (RTU)
Measurement Range	-190~490°C
Power Supply Voltage	9~28VDC
Signal Isolation	1500VDC
Maximum Power	0.72W (at 24VDC supply)
Protection Rating	IP54
Overall Weight	≈118g
Operating Temperature	-40~80°C
Conversion Accuracy	±0.1% FS
Housing	ABS engineering plastic

Feature

Supports Multiple Inputs: Equipped with 7 channels for Pt100 three-wire inputs, making it suitable for multi-point temperature monitoring.
Standard RS485 Output: Outputs temperature data via standard RS485 (RTU) communication for seamless integration with industrial systems.
Signal Isolation Feature: Includes built-in signal isolation to enhance safety and protect connected equipment from electrical interference.
Precision and High Resolution: Delivers accurate temperature signal conversion with exceptional resolution for reliable measurements.
Space-saving Design: Compact structure ensures easy integration into confined control panels or equipment setups.

Dimensions and Wiring Diagram

Pt100 to RS485 converter application

Tips: What are the main applications of this converter?

This converter is versatile and can be used in various industries:

Industrial Process Control: Monitoring and controlling temperature in manufacturing systems like furnaces, chemical reactors, and food production lines.
Energy Systems: Tracking temperature in power plants, turbines, and solar thermal systems.
HVAC Systems: Ensuring efficient heating, ventilation, and air conditioning performance in buildings.
Laboratories and Research: Providing precise temperature measurements for scientific experiments and quality control.
Food and Beverage: Maintaining proper temperatures during processing and storage to ensure product quality and compliance.