Testo 0560 0860 01 - 860i - Wireless Thermal Imager for Smartphones
Testo 0560 0860 01 - 860i - Wireless Thermal Imager for Smartphones
The new testo 860i wireless thermal imager for smartphones is easy to use and display in the testo Smart App making it the perfect choice for quick spot checks in HVAC, maintenance, buildings and many other applications.
testo 860i enables quick and easy determination of Delta T (differential temperature) in the thermal image using application-specific measurement functions:
DeltaHeat for quick determination of the spread between the flow and return temperatures of radiators, DeltaCool for quick assessment of the temperature differential in refrigeration and air conditioning systems. The humidity mode function also helps to assess the risk of mould in indoor environments. The thermography measurement function shows hotspots and Delta T quickly and easily during maintenance.
The testo Smart App is used to operate the testo 860i, display the thermal image and differential temperature, and for documentation – it’s simple, fast and smart. The testo 860i can be used flexibly, either directly attached to the smartphone/tablet for one-handed operation or separately. What’s more, its high suitability for everyday use, robustness and rechargeable lithium battery with a long operating time make the testo 860i a reliable companion.
The testo 860i is designed for professionals who need fast, reliable thermal insight
without the complexity or cost of a full standalone thermal imager. It can be used
flexibly – either attached directly to a smartphone or tablet for one-handed
operation, or wirelessly as a separate device – enabling quicker diagnostics,
greater efficiency, and more flexible day-to-day work. A robust design and long-
lasting rechargeable battery ensure dependable performance on the job.
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Fast thermal diagnostics, anywhere
Perform quick spot checks and troubleshooting without carrying a standalone thermal camera. -
Guided measurements via the Testo Smart App
Application-specific modes (DeltaHeat, DeltaCool, humidity mode) guide you step-by-step. -
Professional thermal clarity
High infrared resolution (256 × 192 pixels) delivers clear, interpretable thermal images. -
Built for everyday field use
One-handed operation, IP54 protection, and 5-ft drop tested.
TECHNICAL DATA:
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General technical data |
Protection class: IP54
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System requirements: requires iOS 17 or newer; requires Android 14 or newer; requires mobile end device with Bluetooth 4.0
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Infrared image output |
Field of view: 48° x 36°
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Focus: Fixed focus
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Minimum focus distance: 1 ft / 0.3 m
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Image refresh rate: 9 Hz
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Infrared resolution: 256 x 192 pixels
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Thermal sensitivity: 50 mk
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Infrared image output
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Spectral range: 8 to 14 µm
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Image output visual |
Minimum focus distance: 1 ft / 0.4 m
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Image size: 640 x 480 pixels
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Image presentation |
Color palettes: iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HAT, humidity palette
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Digital zoom: yes
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Display option: IR image / real image
(in the testo Smart App)
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Measurement |
Accuracy: 5.4°F (±3 °C) or ±3 % of m.v. (at ambient temp. 14°F to 104°F (-10 to 40 °C) and scene temp. 32°F to 302°F (0 to +150 °C) or 212°F to 662°F(+100 to +350 °C)
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Emissivity: 0.01 to 1
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Measuring range: -4 to +662 °F (-20 to +350 °C)
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Reflected temperature: manual; (via testo Smart App)
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Measuring function |
Analysis function: Hot/cold spots, Delta T, up to 10 selectable individual measuring points, area measurement (min./max. on area)
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Electrical mode - manual: Input of current, voltage or power
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Humidity mode - manual: yes
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Humidity measurement with humidity measuring instrument: Automatic transfer of the optional testo 605i or testo 625 thermohygrometer readings via Bluetooth to the testo Smart App
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Electrical measurement with clamp meter: Automatic reading transfer of the optional testo 770-3 clamp meter via Bluetooth to the testo Smart App
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Application-specific measurement functions: DeltaHeat; DeltaCool; Humidity mode
(in the testo Smart App)
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Imager equipment |
Full screen mode: yes
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WLAN Connectivity: Communication with the testo Smart App; WIFI: IEEE 802.11a/n/ac*
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Bluetooth: Peer-to-peer advertising for fast connection set-up*
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Remote-controlled operation: Up to 32ft (10 m) from the mobile device
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Imager storage |
File format image: .jpg; .csv; .bmt
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Storage device: On a mobile device
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Power supply |
Battery type: Integrated Li-ion rechargeable battery
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Charging options: USB-C
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Charging time: Approx. 90 min (15-min charge of an empty battery equals 30 min of operating time)
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Ambient Condition |
Air humidity: 5 to 95 %RH, non-condensing
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Vibration: IEC 60068-2-6
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Impact resistance test: 4.921 ft. / 1.5 m
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Storage temperature: -4 to +158 °F / -20 to +70 °C
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Operating temperature: 14 to +122 °F / -10 to +50 °C
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Physical specification |
Tripod mounting: 1/4" - 20UNC
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Mobile device attachment: Clip span: min. 134 mm, max. 190 mm and device depth up to max. 12 mm
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Weight: 7 oz. / 195 g
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Dimensions: 6 x 2 x 1 in. / 165 x 45 x 38 mm
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PC software |
System requirements: Windows® 10; Windows® 11
(testo IRSoft)
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