testo 104-IR BT Infrared and Penetration Thermometer with Bluetooth, HACCP, IP65, -50 to +250 °C

Food safety inspectors and kitchen staff use the testo 104-IR BT for rapid surface and core temperature checks. This waterproof thermometer combines infrared scanning with a fold-out penetration probe, covering -50 to +250 °C. Bluetooth connectivity sends readings to a smartphone or tablet for HACCP documentation.

Key specifications

• Infrared measurement range: -30 to +250 °C
• Penetration probe measurement range: -50 to +250 °C
• Infrared accuracy: ±1.5 °C (-30 to 0 °C), ±1.0 °C (0.1 to 250 °C)
• Penetration probe accuracy: ±0.5 °C (-50 to 99.9 °C), ±1.0 °C (100 to 250 °C)
• Resolution: 0.1 °C
• Optical resolution (D:S): 10:1
• Emissivity: adjustable 0.1 to 1.0 (pre-set 0.95)
• Response time infrared: < 0.5 s
• Response time penetration probe: < 10 s
• Protection class: IP65
• Bluetooth 4.2 (BLE)
• HACCP compliant
• Battery type: 2 x AAA
• Battery life: approx. 10 hours
• Display: backlit LCD
• Operating temperature: -20 to +50 °C
• Certifications: EN 13485, HACCP
• Probe type: fold-out NTC
• Housing material: ABS / TPE

Why choose it

Dual measurement modes cover both surface and internal temperatures without switching devices. The IP65 rating allows cleaning under running water, and Bluetooth logging reduces manual record-keeping errors.

Ideal use cases

• Incoming goods inspection in commercial kitchens
• Cold chain monitoring during transport
• HACCP spot checks in food processing
• Retail display case temperature audits

Good to know

The fold-out probe protects the sensor when not in use. The backlit display remains readable in walk-in freezers and low-light storage areas.