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Testo 871 Thermal Imaging Camera

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  • 240 x 180 pixel thermal sensor with temperature range from -30˚C to 650˚C
  • Bluetooth communication with 770-3 Clamp Meter and 605i Thermohygrometer
  • ScaleAssist range adjustment and automatic ε-Assist emissivity adjustment

rrp £1,590.00

now £1,435.00 (Ex. VAT) £1,722.00 (Inc. VAT)

rrp £1,590.00

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  • Description

    Testo 871 Thermal Imaging Camera

    The Testo 871 Thermal Imaging Camera has an excellent thermal resolution of 240 x 180 pixels due to its highly advanced IR thermal sensor. A featured thermal sensitivity of 90mK means that temperature differences of just 0.09˚C can be viewed on screen, whilst the temperature measurement range stretches from -30˚C to 650˚C. A wide field of view (35˚ x 26˚) allows the Testo 871 to look over large areas very quickly and four different colour palettes provide suitable flexibility for the user. Additionally the camera automatically highlights hot and cold spots to give an immediate indication of the distribution of extreme temperatures. With an included surface moisture display, the imager is also fully capable of detecting areas readily susceptible to mould.

    Images and video can be saved to the Testo 871’s 2.8GB internal memory and transferred to a PC, tablet or smartphone using a USB cable or the camera’s built-in WLAN module. The featured digital camera takes visual videos and images to sit alongside the thermal versions. This a great benefit to the user when they come to analyse their results, analysis which can take place on either a smart device, PC or the Testo 871 itself. The camera can also work with the Testo 770-3 Clamp Meter and 605i Thermohygrometer via wireless Bluetooth communication.

    Testo 871 In Use 1

    The Testo 871’s IP54-rated casing, sturdy design and four-hour battery life mean that it is suitable for use outdoors. A charger is included with the camera alongside a USB cable, ε-markers, a calibration certificate and a case. The manufacturer’s warranty lasts for two years.

    Testo SuperResolution Thermal Imaging Software

    SuperResolution Thermal Imaging software is now included as standard within all Testo thermal imaging cameras including the 871. With this supremely clever feature, increase resolution to 480 x 360 pixels and unlock the full potential of your device. Image improvement can be monitored simply by calculating by the amount of pixels within an image and the resolution. Testo SuperResolution employs an internal algorithm which takes into account sequential images, multiples the amount of pixels by a rate of x4 and improves the geometric resolution by a factor of 1.6. All of this works together to form an exquisitely detailed image ideal for those looking for a more accurate thermal display of the object in question. The software even goes so far as to negate the effect on an unsteady hand, combining images together to form one clear picture.

    Testo ScaleAssist, ε-Assist & Solar Mode

    Featuring Testo ScaleAssist, the 871 is able to automatically choose an appropriate colour scale for highlighting temperature differences across the entire image. As a result of this, even in the face of turbulent weather conditions an operator can successfully compare before and after thermal images. Realistically presenting building fault and filtering out undesirable temperatures, allowing for evaluation of construction errors and thermal bridges like never before. Go one step further with the Solar Mode function, store the solar radiation value with every thermal image for later evaluation.

    In addition the Testo 871 boasts ε-Assist, maintaining device accuracy through an automatically adjusting emissivity setting. Remove user error by utilising the included reference stickers, which quickly and easily calculate the reflected temperature (RTC) and emissivity for you.

    Geometric Resolution - IFOV

    Avoid measurement errors by utilising the 871's included IFOV warner, which measures the distance to an object before determining a measurement spot size. This spot is then presented on the thermal image, pinpointing the smallest possible area capable of being examined. If a thermal imager has a poor IFOV it can be difficult to understand which exact pixels are being measured, the 871 however has an impressive IFOV rating of 2.6 mrad. Enhance this capability by initialising the Testo SuperResolution mode, which multiples the rating by 1.6.

    Bluetooth Connectivity

    The 871 camera can wirelessly connect to the Testo 770-3 Clamp Meter and 605i Thermohygrometer via Bluetooth, adding quantitive information to images and thus enabling more accurate inspections. Quickly identify where in a building the damp spots are located or at what load a switching cabinet is operating.

    Testo 871 In Use 2

    Thermography App & Pro Software for PC

    Quickly make, save and send professional compact reports with the Testo thermography app, compatible with the 871 and available for free on Android or iOS. Add comments to images, insert additional measurement points or determine temperature development via a line all without leaving the site. Thanks to the app there is even the option to implement a tablet or smartphone as a remote or second screen.

    For professional thermography analysis, the IRSoft high performance PC software bundled with the 871 is ideal. Comprehensive analysis is not only possible, but suitably simple to perform as the intuitive control scheme is designed to be exceptionally user friendly.

    Key Features

    • Thermal resolution: 240 x 180 pixels
    • Temperature range: -30˚C to 650˚C
    • Thermal sensitivity: 90mK (0.09˚C)
    • Geometric Resolution (IFOV): 2.6 mrad
    • Testo SuperResolution: 480 x 360 pixels / 1.6mrad
    • Field of view: 35˚ x 26˚
    • Adjustable Testo ScaleAssist
    • ε-Assist automatic emissivity
    • Adjustable Testo ScaleAssist
    • Solar Mode
    • Fixed focus
    • Bluetooth communication with 605i and 770-3
    • Integrated digital camera
    • Four colour palettes
    • Hot and cold spot recognition
    • USB & WLAN wireless connectivity
    • Free Thermography App for iOS & Android
    • IRSoft PC software included
    • 2.8GB internal memory
    • IP54-rated casing
    • 2-year manufacturer’s warranty

    Testo part number: 0560 8712


    Comparison Table

    IR resolution 160 x 120 240 x 180 320 x 240
    Geometric Resolution
    3.4 mrad 2.6 mrad 2.3 mrad
    320 x 240 pixels
    2.1 mrad
    480 x 360
    1.6 mrad
    640 x 480
    1.3 mrad
    Thermal sensitivity 120mK 100mK 90mK 60mK
    Measuring range -20 to 280˚C -30 to 100˚C
    or 0 to 650˚C
    Image refresh rate 9Hz
    Field of view 31˚ x 23˚ 35˚ x 26˚ 42˚ x 30˚
    Focusing Fixed focus
    Pro Software for PC
    Automatically detect
    hot / cold spots
    Testo ScaleAssist
    Testo ε-Assist  
    Integrated digital camera  
    Thermography App  
    Bluetooth connectivity with
    605i & 770-3
    Solar mode    
    Surface moisture display    
    Min/max in area calculation      
  • Specification

    Infrared image output

    • Infrared resolution: 240 x 180 pixels
    • Thermal sensitivity (NETD): 90 mK
    • Field of view/min. focusing distance: 35° x 26° / < 0.5 m
    • Geometric resolution (IFOV): 2.6 mrad
    • Testo SuperResolution (Pixel/IFOV): 480 x 360 pixels / 1.6 mrad
    • Image refresh rate: 9 Hz
    • Focus: Fixed focus
    • Spectral range: 7.5 to14 µm

    Visual image output

    • Image size / min. focusing distance: At least 3.1 MP / 0.5 m

    Image presentation

    • Image display: 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)
    • Display options: IR image / real image
    • Colour palettes: Iron, rainbow HC, cold-hot, grey

    Data interfaces

    • WLAN Connectivity: Communication with the Testo Thermography App
    • Bluetooth(1): Measurement value transfer from thermohygrometer testo 605i, clamp meter testo 770-3 (optional)
    • USB 2.0 Micro B: Yes


    • Measuring ranges: -30 to +100 °C / 0 to +650 °C
    • Accuracy: ±2 °C, ±2 % of measured value
    • Emissivity / reflected temperature compensation: 0.01 to 1 / manual
    • Testo ε-Assist: Automatic recognition of emissivity and determination of reflected temperature (RTC)

    Measurement functions

    • Analysis functions: Mean point measurement, hot/cold-spot recognition, Delta T
    • Testo ScaleAssist: Yes
    • IFOV warner: Yes
    • Humidity mode – manual: Yes
    • Humidity measurement with humidity measuring instrument (1): Automatic measurement value transfer of thermohygrometer testo 605i via Bluetooth (instrument must be ordered separately)
    • Solar mode – manual: Input of solar radiation value
    • Electrical mode – manual: Input of current, voltage or power
    • Electrical measurement with clamp meter (1): Automatic measurement value transfer of clamp meter testo 770-3 via Bluetooth (instrument must be ordered separately)

    Imager equipment

    • Digital camera: Yes
    • Lens: 35° x 26°
    • Video streaming: Via USB, via wireless LAN with Testo Thermography App
    • Storage as JPG: Yes
    • Fullscreen mode: Yes
    • Image storage File format: .bmt and .jpg; export options in .bmp, .jpg, .png, .csv, .xls
    • Memory: Internal memory (2.8 GB)

    Power supply

    • Battery type: Li-ion battery can be changed on-site
    • Operating time: 4 hours
    • Charging options: In instrument/in charging station (optional)
    • Mains operation: Yes

    Ambient conditions

    • Operating temperature range: -15 to +50 °C
    • Storage temperature range: -30 to +60 °C
    • Air humidity: 20 to 80 %RH, not condensing
    • Housing protection class (IEC 60529): IP54
    • Vibration (IEC 60068-2-6): 2G

    Physical features

    • Weight: 510 g
    • Dimensions (LxWxH): 219 x 96 x 95 mm
    • Housing: PC - ABS

    PC software

    • System requirements: Windows 10, Windows 8, Windows 7

    Standards, tests, warranty

    • EU directive: EMC 2014/30/EU; RED 2014/53/EU
    • Warranty: 2 years

    (1) Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey

  • Supplied Accessories

    • Testo 871 Thermal Imaging Camera
    • Testo SuperResolution Thermal Imaging Software
    • USB cable
    • Mains unit
    • Lithium ion rechargeable battery
    • Pro software
    • 3 x ε-markers
    • Quick-start guide
    • Short instructions
    • Calibration certificate
    • Case
  • Product Documents

    Product Attachments

    View FileTesto 871 Datasheet    Size: (700.09 KB)
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  • Delivery Information

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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

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    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

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