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testo 104-IR BT - Infrared/penetration thermometer with app connection.

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The testo 104-IR BT is a versatile thermometer that combines infrared surface temperature measurement with a fold-out penetration probe for core temperature readings. Enhanced with Bluetooth connectivity, it allows for seamless integration with the testo Smart App, facilitating real-time data transfer and efficient documentation. Its robust, waterproof design and compliance with HACCP standards make it an essential tool for professionals in the food industry.
  • Dual Measurement Functionality – Combines non-contact infrared surface measurements with a fold-out penetration probe for core temperatures.
  • Bluetooth Connectivity – Seamlessly integrates with the testo Smart App for real-time data transfer and documentation.
  • Precise Temperature Range – Infrared: -30 to +250 °C; Penetration Probe: -50 to +250 °C.
  • Robust and Waterproof – Features an IP65-rated housing, ensuring durability in demanding environments.
  • HACCP Compliant – Meets international food safety standards, ideal for the food industry.
Designed for the rigorous demands of the food industry, the testo 104-IR BT offers dual measurement capabilities to ensure comprehensive temperature monitoring. The infrared sensor provides non-contact surface temperature measurements ranging from -30 to +250 °C, utilizing a 2-point laser for precise targeting and 10:1 optics for accurate readings. For internal temperatures, the fold-out stainless steel penetration probe measures from -50 to +250 °C, ensuring products meet safety and quality standards.

A standout feature of the testo 104-IR BT is its Bluetooth connectivity, which enables seamless communication with the testo Smart App. This integration allows users to monitor critical control points (CP/CCP), streamline documentation processes, and maintain compliance with HACCP protocols. The app supports both guided measurements and manual operation, offering flexibility to suit various workflows.

Built to withstand challenging environments, the thermometer boasts an IP65-rated housing, making it waterproof and easy to clean—a crucial attribute in food safety applications. Its ergonomic design ensures comfortable handling, and the folding mechanism protects the probe when not in use, enhancing durability.

Whether for inspecting incoming goods, monitoring storage conditions, or verifying cooking temperatures, the testo 104-IR BT delivers reliable performance. Its combination of advanced features and user-friendly operation makes it an invaluable instrument for professionals committed to maintaining the highest standards in food safety and quality assurance.

Temperature - NTC

Measuring range
-50 to +250 °C
Accuracy
±1.0 °C (-50 to -30.1 °C)
±1 % of mv (+100 to +250 °C)
Resolution
0.1 °C
Reaction time
t₉₉ = 10 s (measured in moving liquid)
Measuring rate
0.5 s

Temperature - Infrared

Measuring range
-30 to +250 °C
Accuracy
±2.5 (-30.0 to 20.1 )
±2.0 °C (-20.0 to -0.1 °C)
±1.5 °C or ±1.5 % of the measurement value (+0.0 to +250.0 °C)
Resolution
0.1 °C
Measuring rate
0.5 s
Class 2 / DIN EN 60825-1:2007

General technical data

Weight
207 g (incl. batteries)
Operating temperature
-20 to +50 °C
Product-/housing material
ABS / TPE / PC, diecast zinc, stainless steel
Protection class
IP65
Mobile app
Can be used with or without testo Smart App
Spectral range
8 ... 14 μm
Laser
2 point laser
Optics
10:1 + opening diameter of the sensor (12 mm)
Wavelength
650nm
Power
<1mW
Dimensions (probe folded out)
281 x 48 x 21
Dimensions (probe not folded out)
178 x 48 x 21
Measurement value
Temperature °C / °F / °R
Standards
EN 13485; HACCP International; NSF
Battery type
2 AAA micro batteries
Storage temperature
-30 to +50 °C (without batteries up to +70 °C)
The waterproof infrared/penetration thermometer with Bluetooth testo 104-IR BT including folding penetration probe, batteries, quick guide and calibration protocol.
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Testo Ltd
Newman Lane
GU34 2URAlton
HampshireUnited Kingdom
01420 544433

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