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The thermal imager testo 871 offers a high-quality 240 x 180-pixel detector, connectivity via the testo Thermography App, as well as the innovative functions testo ScaleAssist and testo ε-Assist, which enables objectively comparable and error-free thermal images to be recorded.
The testo 871 thermal imager was developed together with Testo experienced professionals to enable you to work quickly and easily with professional thermal imaging technology. You can generate error-free and objectively comparable infrared images using its handy functions. The IFOV warner, testo ɛ-Assist and testo ScaleAssist mean you can avoid measurement errors and not only effortlessly achieve optimum setting of emissivity (ɛ) and reflected temperature (RTC) for building thermography, but also of colour scale.
The testo 871 thermal imager combines high infrared resolution with professional measuring performance and easy handling. Its high-quality pixel detector, an integrated digital camera and, last but not least, the innovative functions are the features that impress. The testo Thermography App enables the testo 871 to offer smart thermography to meet professional requirements in industry and trade. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.
For even more meaningful thermal images, the thermal imager also wirelessly integrates the measurement values of the clamp probe testo 770-3 as well as the thermohygrometer testo 605i (both available as an option).
Technical highlights of the testo 871 thermal imager
Really simple operation with impressive professional thermal imaging technology: the testo 871 thermal imager has the following impressive features:
The testo 871 thermal imager– smart and networked
The testo 871 thermal imager communicates wirelessly via WLAN with your mobile terminal devices. The testo Thermography App for iOS and Android offers you the possibility of writing and sending reports on site, as well as saving them online, and of using your smartphone or tablet as a second display or for remote control.
The testo 871 delivers even more informative thermal images in combination with the compatible 770-3 clamp meter and the testo 605i thermohygrometer. Both are available separately – simply order them straight away along with your testo 871. The measurement results of both measuring instruments can easily be transmitted via Bluetooth. The additional output, current and voltage values of the testo 770-3 clamp meter enable better interpretation of measured temperatures. Measure the air temperature and humidity with the testo 605i and easily detect locations at risk of developing mould using the special humidity palette in the thermal imager via the traffic light principle.
Areas of application of the testo 871 thermal imager
Detect leaks, pinpoint thermal bridges, discover structural defects, identify overheated connections or assess mould damage. The testo 871 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. Quick, simple and reliable for maintenance and detection of defects.
Ideal for the early identification of imminent malfunctions or defects on plants and machines: Reliably record temperature increases with a thermal imager.
- Fast detection of critical thermal status (so-called HotSpots) during continuing operation
- Avoid expensive damage, downtimes and fire risks on plants and machines
- Electrical maintenance:
Test switching cabinets, electrical conditions, photovoltaic plants
Evaluate heat status in low, medium and high voltage plants
- Mechanical maintenance:
Identify wear on machines
Test motors, bearings, shafts
Detecting structural defects and ensuring construction quality
- Detect potential building defects, prove quality and the implementation of construction measures without contact – with the help of thermal images
- Test air-tightness of windows and doors
- Locate insulation errors and cold bridges in a building shell
- Detect and visualize mould-risk areas
Preventing mould formation
- Localize mould-risk areas quickly and easily: These areas are presented in red in the imager display when the imager is in humidity mode
Easy checking of heating systems and installations
- Test heating and air conditioning/ventilation systems: Use a thermal imager to identify irregularities in the temperature distribution quickly and easily
- Localization of the course of heating loops in underfloor heating systems
- Testo radiators for silting
- Measure flow and return temperatures
Localize pipe ruptures
- Reliably determine pipe ruptures with the help of a thermal imager – without unnecessarily opening walls and floors
- Precise localization of leakages in underfloor heating and other inaccessible pipe systems
Locating leaks in flat roofs
- Detection of damp in roofs: Based on temperature differences (such as occur mainly in flat roofs), thermal imagers show areas on the roof with sealed-in moisture or damaged insulation
|Infrared image output|
|Infrared resolution||240 x 180 pixels|
|Thermal sensitivity||90 mK|
|Field of view||35° x 26°|
|Minimum focus distance||<0.5 m|
|Geometric resolution (IFOV)||2.6 mrad|
|SuperResolution (Pixel)||480 x 360 pixels|
|SuperResolution (IFOV)||1.6 mrad|
|Image refresh rate||9 Hz|
|Spectral range||7.5 to 14 µm|
|Image output visual|
|Image size||at least 3.1 MP|
|Minimum focus distance||0.5 m|
|Display type||8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)|
|Display option||IR image / real image|
|Colours||4 (iron, rainbow, cold-hot, grey)|
|Full screen mode||Included|
|Video streaming||via wireless LAN with testo Thermography App|
|Standard lens||35° x 26°|
|Interface||USB 2.0 Micro B|
|WLAN Connectivity||Communication with the testo Thermography App wireless module BT/WLAN (EU, EFTA, USA, AUS, CDN, TR)|
|Bluetooth||Measurement value transfer from thermohygrometer testo 605i, clamp meter testo 770-3 (optional) Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey"|
|File format image||.bmt; .jpg; export option in .bmp; .jpg; .png; .csv; .xls|
|Storage device||Internal Memory (2.8 GB)|
|Measuring range||-30 to +100 °C; 0 to +650 °C|
|Accuracy||±2 °C, ±2 % of mv|
|Emissivity||0.01 to 1|
|Solar mode – manual||Input of solar radiation value|
|Analysis function||Mean point measurement, hot/cold-spot recognition, Delta T|
|Electrical mode - manual||Input of current, voltage or power|
|Humidity mode - manual||Included|
|Humidity measurement with humidity measuring instrument||Automatic measurement value transfer of thermohygrometer testo 605i via Bluetooth (instrument must be ordered separately)|
|Electrical measurement with clamp meter||Automatic measurement value transfer of clamp meter testo 770-3 via Bluetooth (instrument must be ordedered separately)|
|Air humidity||20 to 80 %RH non-condensing|
|Housing protection class||IP54|
|Storage temperature||-30 to +60 °C|
|Operating temperature||-15 to +50 °C|
|Battery type||Fast-charging, Li-ion battery can be changed on-site|
|Operating time||4.0 h|
|System requirements||Windows® 10; Windows® 8; Windows® 7|
|Product-/housing material||PC - ABS|
|Dimensions||219 x 96 x 95 mm|
|Display ligthing||bright / normal / dark|
|EU-/EG-guidelines||RED: 2014/53/EU; EMC: 2014/30/EU|
Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty. Please register your product with provided warranty card.
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This includes multiple products up to 5kg only.
Additional cost applies for orders over 5kg. Contact us for quotation.