PT100 probes

Q: What is an RTD PT100 probe?

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Q: What does PT100 mean?

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Q: Is an RTD the same as a PT100?

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Q: How accurate are RTD PT100 probes?

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Q: What are PT100 probes used for?

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Q: How do I recalibrate my thermometers and probes?

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Dependable, high-precision RTD PT100 probes designed and made in the UK. Immersion, liquid and air/gas options designed for food, pharmaceuticals and laboratories.

ETI’s RTD PT100 temperature sensors offer high-accuracy resistance temperature detection (RTD) with an accuracy of up to ±0.03 °C, making them ideal for precise, reliable temperature monitoring.

With temperature ranges from -200 °C to 300 °C, they are ideal for industrial, medical, and scientific applications that require consistent, stable readings.

PT100 probes excel in environments where accuracy and durability are essential, making them a top choice for food processing, pharmaceutical testing, and environmental monitoring.

What are the types of PT100 temperature sensors?

Liquid

Designed for measuring the temperature of liquids, PT100 liquid probes offer reliable, stable readings. Commonly used in cold storage, food production, and chemical processing, they ensure optimal temperature control.

Penetration

Perfect for measuring the internal temperature of liquids and semi-solids, these probes offer high accuracy in food safety, medical, and laboratory applications where precision is essential.

Air and gas

Our PT100 probes for air and gas include a general-purpose sensor and wire probe for measuring air temperatures for applications like HVAC. These probes ensure accurate temperature control in commercial and industrial settings.

Frequently Asked Questions

What is an RTD PT100 probe?

An RTD PT100 probe is a temperature sensor that uses a platinum resistor to measure temperature. It provides highly accurate and stable readings, making it ideal for industrial, laboratory, HVAC and food applications.

What does PT100 mean?

PT100 means the probe uses platinum (“Pt”) and has a resistance of 100 ohms at 0°C. As temperature changes, the resistance changes in a predictable way, allowing accurate temperature measurement.

Is an RTD the same as a PT100?

Not exactly. RTD is the general type of sensor (Resistance Temperature Detector), while PT100 is a specific RTD type. PT100 is the most common standard used in industry.

How accurate are RTD PT100 probes?

PT100 probes are highly accurate and stable over time. They are often more accurate than thermocouples, especially in lower and mid-range temperatures, making them ideal for precision measurement.

What are PT100 probes used for?

They are used in a wide range of applications including food processing, refrigeration, pharmaceuticals, laboratories, HVAC systems and industrial process monitoring.

How do I recalibrate my thermometers and probes?

You can send your equipment to ETI’s UKAS calibration laboratory for accredited recalibration. We will return your instruments to you within their specified accuracy range and with a new calibration certificate.

Learn more about our UKAS calibration services.

PT100 probes

Filter

PT100 - RTD Penetration Probe

PT100 - RTD Air or Gas Probe

PT100 - Between Pack Probe

PT100 - Liquid Temperature Probe

PT100 - Air/Gas Wire Probe

PT100 - DIN Liquid Temperature Probe

PT100 - Liquid Temperature Probe 2000mm

PT100 - Penetration Probe with T-shaped Handle