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RTD Sensor PT100/PT1000

Home Products Sensors Temperature RTD Sensor PT100/PT1000
ERTD2 Platinum Temperature Sensor
PT100 or PT1000
-200°C to +300°C

Key Features

  • PT100 or PT1000 versions

  • Excellent stability, RoHS compliant

  • Minimal self-heating for accurate measurement

  • Operating range: -200°C to +300°C

  • Tolerance classes: A (F0.15) or B (F0.3)

  • Compact size: 2 × 2 × 1.3 mm

LTS1 Temperature Sensor
PT100 / PT1000
-50°C to +150°C

Key Features

  • Thin-film platinum RTD element

  • Pre-insulated wires for easy integration

  • Epoxy-coated housing for durability

What are RTD Sensors?

RTDs (Resistance Temperature Detectors) are highly accurate temperature sensors that operate on a simple yet reliable principle: the electrical resistance of a metal increases as its temperature rises. By measuring this change in resistance, the temperature can be calculated with great precision.

Structure and Materials

RTDs are usually made from pure metals, primarily platinum and sometimes nickel, due to the stability and reliability of their electrical properties. These sensors are suitable for a very wide operating range – from -70°C to +850°C – making them effective even in harsh industrial environments.

Wiring Configurations

RTDs are available in several wiring setups:

  • 2-wire – the simplest option, but less accurate due to the influence of lead wire resistance.

  • 3-wire – widely used in industry, providing partial compensation for lead resistance.

  • 4-wire – delivers the highest accuracy, virtually eliminating the effect of lead resistance.

Key Advantages

  • High accuracy – capable of detecting very small temperature changes.

  • Long-term stability – unlike some other sensors, RTDs do not require frequent recalibration.

  • Wide temperature range – suitable for diverse applications.

  • Easy maintenance – sensors can be replaced with minimal recalibration.

Comparative Overview: ERTD2 vs. LTS1 RTD Sensors

RTD sensors (Resistance Temperature Detectors) are among the most reliable platinum-based solutions for accurate temperature measurement in industrial, medical, and research environments. Based on the principle that the electrical resistance of platinum changes with temperature, RTDs deliver stability, precision, and long-term reliability.
At Amironic, we offer advanced RTD solutions tailored to demanding applications, including two leading series: ERTD2 and LTS1. Both are platinum thin-film RTDs, but each series is optimized for different performance needs.

ERTD2 Series

The ERTD2 series is engineered for applications that demand high accuracy, stability, and wide temperature coverage. Its thin-film platinum construction ensures consistent measurements with minimal drift, even under challenging conditions.

  • Temperature range: -200°C to +300°C

  • Available versions: PT100 and PT1000

  • Accuracy: IEC 60751 Class A / Class B

  • Package size: 2 × 2 × 1.3 mm

  • Lead wires: Gold-coated nickel for maximum signal integrity and durability

Applications:

  • Automotive systems – exhaust and engine temperature monitoring

  • HVAC and energy management – precise climate and efficiency control

  • Industrial automation – process monitoring and safety systems

  • Medical equipment – patient monitoring and laboratory devices

  • Scientific research – controlled experiments and precision data

LTS1 Series

The LTS1 series is designed for easy integration, featuring pre-insulated wires and epoxy coating. It provides stable, accurate measurements in moderate temperature ranges, making it an excellent choice for compact devices.

  • Temperature range: -50°C to +150°C

  • Available versions: PT100 and PT1000

  • Accuracy: IEC 60751 Class A / Class B

  • Package size: 2.4 × 6 mm

  • Lead wires: Silver-plated copper with PTFE insulation – flexible, easy to integrate, and cost-efficient

Applications:

  • Medical device manufacturing – compact, integrated sensing

  • Instrumentation – electronic and analytical devices

  • Laboratory equipment – stable monitoring in controlled environments

  • OEM modules – cost-effective sensor integration

Technical Comparison

Parameter ERTD2 LTS1
Temperature Range -200°C to +300°C -50°C to +150°C
Nominal Resistance PT100 / PT1000 PT100 / PT1000
Package Dimensions 2 × 2 × 1.3 mm 2.4 × 6 mm
Wire Type Gold-coated nickel Silver-plated copper with PTFE
Tolerance Classes Class A / B Class A / B

Wire Material Comparison

Wire Type Best For Key Benefit
Gold-coated nickel (ERTD2) Harsh industrial & automotive environments Superior corrosion resistance, high signal integrity, long-term durability
Silver-plated copper with PTFE (LTS1) Compact and cost-sensitive systems Flexible handling, easy integration, reliable insulation

This distinction often guides the choice: ERTD2 excels in demanding environments, while LTS1 is ideal for compact devices requiring flexible integration.

Conclusion

Both the ERTD2 and LTS1 deliver dependable performance in temperature sensing, but they serve different needs:

  • ERTD2 – the preferred choice for industrial, automotive, HVAC, and scientific applications, where wide temperature ranges and durability are critical.

  • LTS1 – ideal for medical, laboratory, and instrumentation environments, where compact size and straightforward integration matter most.

At Amironic, we specialize in precision sensors and platinum RTD technology for leading industries worldwide. Our customers benefit from not only the best RTD sensors but also dedicated technical support, reliable supply, and engineering expertise.

Contact Amironic today to discover how our RTD solutions can improve accuracy, reliability, and efficiency in your systems.