Thermapen ONE Blue -Red button

The Thermapen ONE Blue is a professional Bluetooth thermometer that combines speed, precision, and digital connectivity. With this thermometer, you can wirelessly connect your measurements via Bluetooth to a smartphone or tablet - ideal for HACCP recording, hospitality, catering, or food safety management. 

With the updated Thermapen ONE Blue, HACCP compliance is easier than ever. Thanks to the display of item names, upper and lower limits, and feedback on passed/failed results on the screen, users can complete checklists accurately and confidently. Please note that these features are only available in combination with the latest SDK.

Hygienic design

A hygienic thermometer probe is essential for hospitality businesses. The housing of the Thermapen ONE Bluetooth thermometer features Polygiene BioMaster product protection to reduce bacterial growth. The thermometer is also fully waterproof (IP67), allowing it to be submerged in water for thorough cleaning.

Foldable probe

Foldable thermometers with an instant readout are ideal for protecting the probe from damage and make it easy to keep the thermometer at hand all day. This Bluetooth food thermometer has a thin stainless steel probe that rotates 180° and folds into the side of the instrument for safe storage.

How to use the Thermapen ONE Bluetooth thermometer

To use the Thermapen ONE Bluetooth thermometer, simply pair it with your device (iOS or Android), insert the probe into the product being measured, and press the button to send the temperature data. The thermometer displays 'PASS' or 'FAIL' depending on whether the measured temperature falls within the product's set limits. View and manage your temperature measurements using the accompanying software.

Why choose this thermometer?

The Thermapen ONE Blue offers professional measurement performance and modern connectivity in one device: from a supersonic measurement time to Bluetooth data transfer for digital HACCP logs. No more hassle with manual notes - send your data directly to your app or management software and easily keep track of temperature checks. 

Whether you work in hospitality, catering, or food safety, this thermometer is designed to help you work faster, smarter, and more hygienically without compromising the quality of your measurements.

Install the ThermaData Hub app for checklists and measurements:

Create HACCP checklists with the ThermaData Hub PC software and complete them in the mobile app.
Complete customised HACCP checklists
No installation required
Add notes and corrective actions to measurements
View measurements in the app
Send results to Windows software for Excel and PDF reports

Thermapen ONE Blue Thermometer product specifications

Temperature range: -49.9 to +299.9 °C
Resolution: 0.1 °C
Accuracy: ±0.3 °C (-19.9 to 119.9 °C), ±0.4 °C (-49.9 to 199.9 °C), otherwise ±1 °C
Bluetooth® module: BLE 5.0
Battery: 1 × AAA (±500 hours without backlight)
Sensor: Type K thermocouple
Display: Clear LCD screen
Dimensions: approx. 19 × 50 × 157 mm
Weight: approx. 115 g
Water/dust resistance: IP67
Certificate: Traceable calibration certificate included
Protection: Protective case included

The Thermapen® ONE Blue is designed to pair seamlessly with the SmartSense mobile app and can be set up in just a few minutes. With a three-second response time to stabilise, the probe provides fast temperature measurements between -58°F and 572°F, including visual feedback.