All Probes

Full range of ETI temperature probes for measuring foods, liquids, surfaces and air/gases. Includes thermocouple, thermistor and PT100 probes. 
All Probes

ETI's range of thermometer probes is designed for accurate temperatures across a wide range of applications.

From high accuracy penetration probes for food safety to robust pipe probes for precise HVAC measurements, our probes are built with professionals in mind.

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  • PT100 - DIN Liquid Temperature Probe

    PT100 - DIN Liquid Temperature Probe

    PT100 - DIN Liquid Temperature Probe
    £100.00
    £120.00 inc. VAT
    £100.00 £100.00
    £120.00 inc. VAT
  • 3 m Air Wire Probe for EcoTemp®

    3 m Air Wire Probe for EcoTemp®

    3 m Air Wire Probe for EcoTemp®
    £8.50
    £10.20 inc. VAT
    £8.50 £8.50
    £10.20 inc. VAT
  • Probe & Clip for ThermaQ®, ThermaQ® Blue & BlueTherm® One

    Probe & Clip for ThermaQ®, ThermaQ® Blue & BlueTherm® One

    Probe & Clip for ThermaQ®, ThermaQ® Blue & BlueTherm® One
    £29.50
    £35.40 inc. VAT
    £29.50 £29.50
    £35.40 inc. VAT
  • T-shaped Penetration Probe 300mm - 300 mm

    T-shaped Penetration Probe 300mm

    T-shaped Penetration Probe 300mm
    £59.00
    £70.80 inc. VAT
    £59.00 £59.00
    £70.80 inc. VAT
  • Magnet Surface Temperature Probe - Type K - Ø20 x 9mm, 1m lead

    Magnet Surface Temperature Probe

    Magnet Surface Temperature Probe
    £29.00
    £34.80 inc. VAT
    £29.00 £29.00
    £34.80 inc. VAT
  • New
    Pro-Series High Temperature Probe - 63 mm

    Pro-Series High Temperature Probe - 63 mm

    Pro-Series High Temperature Probe - 63 mm
    £14.85
    £17.82 inc. VAT
    £0.00 £14.85
    £17.82 inc. VAT
  • New
    Sintered Probe for 6100/6102 Therma-Hygrometers

    Sintered Probe for 6100/6102 Therma-Hygrometers

    Sintered Probe for 6100/6102 Therma-Hygrometers
    £62.50
    £75.00 inc. VAT
    £0.00 £62.50
    £75.00 inc. VAT
  • PT100 - Penetration Probe with T-shaped Handle - 4 mm

    PT100 - Penetration Probe with T-shaped Handle

    PT100 - Penetration Probe with T-shaped Handle
    £78.00
    £93.60 inc. VAT
    £78.00 £78.00
    £93.60 inc. VAT
  • Air or Gas Wire NTC Temperature Probe

    Air or Gas Wire NTC Temperature Probe

    Air or Gas Wire NTC Temperature Probe
    £23.50
    £28.20 inc. VAT
    £23.50 £23.50
    £28.20 inc. VAT
  • Burger Temperature Probe - 12 mm

    Burger Temperature Probe

    Burger Temperature Probe
    £52.00
    £62.40 inc. VAT
    £52.00 £52.00
    £62.40 inc. VAT
  • General Purpose | Slim Industrial Probe (PVC Lead) - 100 mm

    General Purpose | Slim Industrial Probe (PVC Lead)

    General Purpose | Slim Industrial Probe (PVC Lead)
    £36.00
    £43.20 inc. VAT
    £36.00 £36.00
    £43.20 inc. VAT
  • Small Handled Needle Penetration Probe

    Small Handled Needle Penetration Probe

    Small Handled Needle Penetration Probe
    £32.00
    £38.40 inc. VAT
    £32.00 £32.00
    £38.40 inc. VAT
  • Heavy Duty Hammer Probe

    Heavy Duty Hammer Probe

    Heavy Duty Hammer Probe
    £200.00
    £240.00 inc. VAT
    £200.00 £200.00
    £240.00 inc. VAT
  • General Purpose Moisture Meter Probe

    General Purpose Moisture Meter Probe

    General Purpose Moisture Meter Probe
    £35.00
    £42.00 inc. VAT
    £35.00 £35.00
    £42.00 inc. VAT
  • Q Series Smokehouse Cooking Probe - braided fibreglass

    Q Series Smokehouse Cooking Probe

    Q Series Smokehouse Cooking Probe
    £48.00
    £57.60 inc. VAT
    £48.00 £48.00
    £57.60 inc. VAT
  • New
    Weighted Griddle Surface Probe

    Weighted Griddle Surface Probe

    Weighted Griddle Surface Probe
    £150.00
    £180.00 inc. VAT
    £150.00 £150.00
    £180.00 inc. VAT
  • Spare Probe for 6100/6102 Therma-Hygrometers

    Spare Probe for 6100/6102 Therma-Hygrometers

    Spare Probe for 6100/6102 Therma-Hygrometers
    £52.00
    £62.40 inc. VAT
    £52.00 £52.00
    £62.40 inc. VAT
  • Ribbon Surface Temperature Probe - Right-Angled - type K

    Ribbon Surface Temperature Probe - Right-Angled

    Ribbon Surface Temperature Probe - Right-Angled
    £41.00
    £49.20 inc. VAT
    £41.00 £41.00
    £49.20 inc. VAT
  • Flexible Safety Penetration Probe

    Flexible Safety Penetration Probe

    Flexible Safety Penetration Probe
    £43.50
    £52.20 inc. VAT
    £43.50 £43.50
    £52.20 inc. VAT
  • Oven Temperature Probe - Type K

    Oven Temperature Probe

    Oven Temperature Probe
    £63.50
    £76.20 inc. VAT
    £63.50 £63.50
    £76.20 inc. VAT
  • T Shaped Air or Gas Probe - straight lead

    T Shaped Air or Gas Probe

    T Shaped Air or Gas Probe
    £45.00
    £54.00 inc. VAT
    £45.00 £45.00
    £54.00 inc. VAT
  • T Shaped Oven Probe

    T Shaped Oven Probe

    T Shaped Oven Probe
    £67.00
    £80.40 inc. VAT
    £67.00 £67.00
    £80.40 inc. VAT
  • Black ball body temperature probe
    Sold out

    Black ball body temperature probe

    Black ball body temperature probe
    £55.00
    £66.00 inc. VAT
    £0.00 £55.00
    £66.00 inc. VAT
  • Chisel-Tip Penetration Probe

    Chisel-Tip Penetration Probe

    Chisel-Tip Penetration Probe
    £34.50
    £41.40 inc. VAT
    £34.50 £34.50
    £41.40 inc. VAT

Frequently Asked Questions

What is the difference between a thermocouple, thermistor, and RTD probe?

Thermocouples offer the widest temperature range and fastest response. Thermistors provide excellent accuracy for food and everyday applications. RTD/PT100 probes deliver the highest accuracy and long-term stability for laboratory, calibration, and critical process measurements.

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.

Can I use the same probe for different applications?

Some probes are versatile enough for multiple uses, but specialist probes often provide more accurate and reliable results. For example, a surface probe is better suited to measuring hot plates than a standard immersion probe.

What probe do I need for food temperature measurements?

For food safety checks, penetration or immersion probes are the most common choice. Thermistor probes are particularly popular because of their high accuracy in food temperature ranges.

How do I choose the right temperature probe?

Start with the sensor type, as this defines performance.

  • Thermocouple – fast, wide temperature range, robust. Ideal for general industrial and food applications.
  • Thermistor – very fast and highly accurate, but over a narrower range. Common in food and laboratory use.
  • RTD (Pt100 / Pt1000) – highest accuracy and stability. Best for precision measurement and calibration environments.

Once you have chosen your sensor type, select the probe style based on the application:

  • Penetration for solids and food products
  • Immersion for liquids
  • Air probes for ambient monitoring
  • Surface probes for plates, grills and equipment

Then consider response time, durability, and whether certification or calibration is required for compliance.

Read our probe buying guide to learn more.