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Testo 871s Thermal Imaging Camera 0560 8716

  • Infrared resolution of 240 x 180 pixels with testo SuperResolution technology 480 × 360 pixels
  • Thermal sensitivity (NETD) of <0.08 °C (<80 mK)
  • Recording and documentation of ambient conditions via radio probe (humidity/temperature or clamp meter)
  • Automatic detection of hot and cold spots
  • IFOV warner for displaying the measurement spot size
  • Integrated 5 MP digital camera
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£1,699.15 (ex VAT)

£2,038.98 (inc VAT)

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Usually Ships In 3 to 5 Business Days
Select either a Testo 760-1 or an Engineer DMM at checkout!






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Testo 871s Thermal Imaging Camera

The testo 871s thermal imaging camera offers a high-quality 240 x 180 pixel detector, connectivity via the testo Thermography App and numerous innovative functions. It fits comfortably in the hand and convinces with intuitive operation in a modern tile look. For even more meaningful thermal images, the thermal imager also wirelessly integrates the measurement values of the clamp meter testo 770-3 as well as the thermohydrometer testo 605i (both available as an option).

The thermal sensitivity of the Testo 871s is 80mK, meaning the camera can detect smaller temperature differences than the Testo 865s and 868s. This makes the 871 more suited to applications where spotting smaller temperature differences is required by the user. This may be for preventive maintenance measurement purposes where frequent monitoring of equipment is required. The Testo 871s can be used in conjunction with the Testo 605i thermohygrometer to provide the value of the relative surface moisture. This is calculated from the ambient temperature and air humidity, automatically transferred in real time by the wireless humidity probe, and the measured surface temperature. For electrical application the Testo 871s can also be used in conjunction with the Test 770-3 clamp meter.

testo ScaleAssist: All models testo
testo ε-Assist: 868s / 871s and 872s only
testo thermography app: 868s / 871s and 872s only
Compatible with testo 605i and 770-3: 871 and 872s only

Integrated digital camera
See both the visual and thermal image simultaneously, allowing for faster troubleshooting as the user can see exactly where an issue may be occurring, even down to component level.

Testo ScaleAssist
This useful tool automatically optimises the thermal image scale for the best results. This helps prevent interpretation errors that can lead to false evaluations. ScaleAssist also makes the Testo 871s more accessible to a greater range of users, including those with limited experience of thermal imaging.

Measuring range
Choose from two selectable measuring ranges.
-30 to +100: Ideally suited to everyday measurement requirements.
0 to 650: High temperature range if required for more industrial applications.

The large temperature range makes the 871s a suitable choice for many building and electrical applications, but also industrial environments where high temperatures may be present.

Solar mode
If you have a separate irradiance meter, you can input the solar radiation value into the Testo 871s. This value is then stored with every thermal image and is then available for evaluation in the analysis software included.

Testo ε assist
Via the integrated digital camera, the Testo 871s recognises the reference sticker (ε marker) and then automatically adjusts the emissivity setting depending on the emissivity and reflected temperature. This features helps reduce inaccurate measurements as a result of emissivity caused by user error. 3 ε markers are included with the Testo 871s.

Go anywhere!
The Testo 871s is IP54 rated, making it a great choice for both indoor and outdoor use. It also comes with rechargeable batteries and a hard carry case, to protect the camera when not in use or while being transported.


Infrared image output
Infrared resolution240 x 180 pixels
Thermal sensitivity80 mK
Field of view (FOV)35° x 26°
Minimum focus distance< 0.5m
Geometric resolution (IFOV)2.6 mrad
Testo Super Resolution (Pixel / IFOV)480 x 360 pixels (2.1 mrad)
Image refresh rate9Hz
FocusFixed focus
Spectral range7.5 to 14 μm
Visual image output
Image size / min. focusing distanceat least 3.1 MP / 0.5m
Image presentation
Image display8.9 cm (3.5″ TFT, QVGA (320 x 240 pixels)
Display optionsIR image / real image
Colour palettesIron / rainbow HC / cold – hot / grey
Data interfaces
WLAN connectivityCommunication with the testo Thermography App wireless modul BT/WLAN
USB 2.0 Micro BYes
BluetoothMeasurement value transfer from thermohygrometer testo 605i, clamp meter testo 770-3 (optional)
Measuring rangeMeasuring range 1: -30 to +100 °C
Measuring range 2: 0 to +650°C
Accuracy±2 °C, ±2 % of measured value
Emissivity range0.01 to 1
testo ε-AssistAuto recognition of emissivity and determination of reflected temperature (RTC)
Measurement Functions
Analysis functionMean point measurement, hot/cold-spot recognition, Delta T
testo ScaleAssistIncluded
IFOV warnerIncluded
Humidity mode – manualIncluded
Humidity measurement
with humidity measuring instrument
Automatic measurement value transfer of thermohygrometer testo 605i via Bluetooth (instrument must be ordered separately)
Solar mode – manualInput of solar radiation value
Electrical mode – manualInput of current, voltage or power
Electrical measurement
with clamp meter
Automatic measurement value transfer of clamp meter testo 770-3 via Bluetooth (instrument must be ordedered separately)
Imager Equipment
Digital cameraIncluded
Full screen modeIncluded
JPEG storageIncluded
Video StreamingVia USB, via wireless LAN with test Thermography app
Standard lens35° x 26°
Image storage
File format.bmt; .jpg; export option in .bmp; .jpg; .png; .xls; .csv
MemoryInternal memory (2.8GB)
Power supply
Battery typeLi-ion battery can be charged on-site
Operating time4 hours
Charging optionsIn instrument / in charging station (optional)
Mains operationYes
File format.bmt; .jpg; export option in .bmp; .jpg; .png; .xls; .csv
Ambient conditions
Operating temperature range-15 to +50 °C
Storage temperature range-30 to +60 °C
Air humidity20 to 80 %RH non-condensing
Physical features
Weight510 g
Dimensions (LxWxH)219 x 96 x 95 mm
HousingPC – ABS
Housing protection class (IEC 60529)IP54

Testo thermal imaging comparison

 Testo 865Testo 868Testo 871Testo 872
Infrared resolution (pixels)160 x 120160 x 120240 x 180320 x 240
SuperResolution resolution
320 x 240320 x 240480 x 360640 x 480
NETD (thermal sensitivity)100mK80mK80mK50mK
Field of view (FOV)31° x 23°31° x 23°35° x 26°42° x 30°
3,4 mrad3,4 mrad2,6 mrad2,3 mrad
Focus typeFixed focusFixed focusFixed focusFixed focus
Min. focus distance< 0,5 m< 0,5 m< 0,5 m< 0,5 m
Intergrated digital cameraNoYesYesYes
Laser markerNoNoNoYes
Measuring range-20 to +280°C-30 to +100°C
0 to +650°C
-30 to +100°C
0 to +650°C
-30 to +100°C
0 to +650°C


What’s included

  • Testo 871s Thermal Imager
  • USB Cable
  • Mains Unit
  • Lithium-ion rechargeable battery
  • Pro Software
  • Quick start guide
  • Short Instructions
  • Hard protective carry case
  • Calibration Protocol


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