Testo 905i Smart Thermometer – Bluetooth Probe

The Testo 905i (model 0560 1905) is a compact Bluetooth smart thermometer designed for HVAC technicians who need fast, accurate temperature readings without the bulk. Pair it with the free testo Smart Probes App on your smartphone or tablet and get live readings, trend graphs, and PDF reports — all from your phone.

Whether you're checking ambient room temperature, measuring air in ducts, or verifying air outlet conditions on a split system, the 905i delivers ±0.5°C accuracy in a tool that fits in your shirt pocket. Part of the Testo Smart Probes range, it works seamlessly alongside other probes for multi-parameter jobs.

Key Features

• Bluetooth connectivity — pairs with the testo Smart Probes App (iOS & Android)
• Measures ambient temperature, duct temperature, and air outlet temperature
• Measuring range: -50 to +150°C | Accuracy: ±0.5°C | Resolution: 0.1°C
• Compact, lightweight design — fits in a shirt pocket
• Live readings, min/max/average display, and trend graphs via app
• Generate and share PDF reports directly from your smartphone
• Long battery life — AAA batteries, up to 40 hours use
• IP54 rated — dust and splash resistant for field use

Ideal Applications

• Air conditioning installation and commissioning
• Duct temperature measurement and airflow diagnostics
• Ambient temperature verification in plant rooms and cold storage
• HVAC service and maintenance reporting

Specifications

• Model: 0560 1905
• Measuring range: -50 to +150°C
• Accuracy: ±0.5°C (-25 to +74.9°C) | ±1°C (remainder)
• Resolution: 0.1°C / °F
• Battery: 2 x AAA | Battery life: ~40 hours
• Operating temperature: -10 to +50°C
• Protection class: IP54
• Dimensions: 125 x 29 x 29 mm | Weight: 60g

In the Box

• Testo 905i smart thermometer probe
• 2 x AAA batteries
• Certificate of conformity

Browse the full Testo HVAC instruments range or explore all HVAC thermometers available at HVAC Shop AU.