RTD Pt100 to 4-20mA/RS485 Converter

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$76.82

The RTD Pt100 to 4-20mA/RS485 converter supports measurement ranges up to -50~500°C or -200~50°C. It converts Pt100 resistance signals into 4-20mA or RS485 outputs, operating on 12~36VDC power. With high accuracy (±0.1% FS or ±0.2°C), a fast 20ms response time, and excellent stability (±0.05% FS/year), it ensures reliable performance. With IP54 protection and an operating temperature range of -40~80°C, it’s ideal for precise and durable industrial temperature monitoring.

Output Signal *
Temperature Range *

SKU: ATO-RTD-M1

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Delivery date: 6-12 days

Overview

The RTD Pt100 to 4-20mA/RS485 converter measures up to -50~500°C, providing accurate and stable temperature monitoring with 4-20mA or RS485 output. It’s durable, reliable, and operates in a wide temperature range (-40~80°C).

Specification

Model	ATO-M1
Measurement Range	0~100℃, 0~200℃, 0~300℃, -50~50℃, -50~100℃, -50~300℃, -50~500℃, 0~500℃, -200~50℃ (optional)
Input Signal	Pt100 resistance signal
Output Signal	4~20mA, RS485 (optional)
Power Supply Voltage	12~36VDC
Temperature Drift	0.02% FS/°C (Reference temperature 20°C ± 2°C)
Stability	±0.05% FS/year
Response Time	20ms
Protection Rating	IP54
Overall Weight	≈32g
Operating Temperature	-40~80°C
Accuracy	±0.1% FS or ±0.2°C (whichever is greater)

Feature

High Accuracy and Resolution: Ensures precise signal conversion with high resolution for more accurate temperature measurements.
CE Certification: Complies with European safety standards, ensuring reliable and safe operation.
Wide Compatibility: Supports Pt100 RTD input and outputs both 4-20mA and RS485 signals, making it versatile for various industrial systems.
Compact Design: Features a space-saving design, ideal for integration into tight control panels or equipment.
Stable Performance: Offers excellent long-term stability, reducing maintenance requirements in demanding environments.
Durable Construction: Built with high-quality materials to withstand industrial conditions, ensuring long-lasting use.
Easy Integration: Simple wiring and configuration options make it user-friendly for both new installations and upgrades to existing systems.
Dual Signal Output: Provides both analog (4-20mA) and digital (RS485 ModBus) outputs, enabling integration with diverse control systems and data logging equipment.

Size

Pt100 to 4-20mA converter size

Input Wiring Diagram

Output Wiring Diagram

Pt100 to-4-20ma converter output wiring diagram

Application

Tips: What is the purpose of the RTD Pt100 to 4-20mA/RS485 Converter?

The converter transforms temperature readings from a Pt100 RTD sensor into standard 4-20mA analog signals or RS485 digital signals using the ModBus RTU protocol. This allows the temperature data to be integrated seamlessly into industrial systems like SCADA, PLCs, or data loggers for real-time monitoring and control.

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