The Testo 805i Infrared Thermometer is a compact, smart, non-contact temperature measurement solution designed to simplify thermal checks in HVAC/R, electrical, and building service applications. When paired with your smartphone or tablet via Bluetooth and the free testo Smart Probes App, the 805i transforms into a powerful diagnostic tool that delivers precise readings and easy documentation.
Ideal for surface temperature checks on walls, fuses, motors, ducts, and other equipment, this infrared thermometer uses a circular laser marker to clearly define the measurement spot so you know exactly where you're measuring.
Precision Where It Counts
Non-contact infrared measurement for fast, hygienic temperature readings without touching surfaces.
Circular laser targeting provides a clear visual marker of the measurement area for accurate aim.
Bluetooth® connectivity pairs with the Testo Smart Probes App on iOS and Android devices.
Adjustable emissivity and stored material lists make it easy to adapt for different surfaces and applications.
App documentation and reporting lets you view readings as tables or charts, capture images with embedded temperature values, and export or share reports as PDF or Excel.
Designed to Make Testing Easier
Compact, lightweight design for easy carry and quick deployment
Non-contact infrared measurement allows safe temperature checks on live or hard-to-reach components
Clear laser targeting helps identify the exact measurement area at a glance
Wireless Bluetooth connectivity keeps readings visible on your mobile device
Minimal setup enables fast spot checks and efficient troubleshooting
Durable construction suited for daily use in HVAC, electrical, and building service environments
Instant Readings with Wireless App Connectivity