
Testo · Accu supplémentaire
Spare battery
Extend the operating time of your instruments and use the lithium-ion rechargeable battery as a second battery.

Testo · testo 872s
The testo 872 thermal imager gives you the best possible support for your work in professional industrial and building thermography. Take thermal images quickly, reliably and smartly with the highest image quality, very good thermal sensitivity and innovative functions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.
Category: Measuring instruments · Thermal imagers
| Ambient conditions | Value |
|---|---|
| Operating temperature | -15 to +50 °C |
| Storage temperature | -30 to +60 °C |
| Air humidity | 20 … 80 %RH (non-condensing) |
| Housing protection class (IEC 60529) | IP 54 |
| Vibration | 2G |
| Visual image output | Value |
|---|---|
| Minimum focus distance | min. 0.5 m |
| Image size | 5 MP |
| Image presentation | Value |
|---|---|
| Colours | 10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT) |
| Digital zoom | 2x; 4x |
| Display options | IR image / real image |
| Display type | 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels) |
| Camera equipment | Value |
|---|---|
| Video streaming (via USB) | via Wi-Fi with the testo Thermography mobile app |
| Standard lens | 42° x 30° |
| Save JPEG | Included in delivery |
| Full-screen mode | Included in delivery |
| Digital camera | Included in delivery |
| Interfaces | USB 2.0 Micro B |
| WLAN connectivity | Communication with the testo Thermography mobile app via BT / Wi-Fi radio module (EU, EFTA, USA, AUS, CDN, TR) |
| Bluetooth | Wireless transfer of readings from the testo 605i thermo-hygrometer and the testo 770-3 clamp meter (optional); approved in the EU, EFTA, USA, Canada, Australia, Turkey |
| Laser (laser classification: 635 nm, cl. 2) | Laser marker |
| Image storage | Value |
|---|---|
| Single image file format | .bmt; .jpg; export possible as .bmp; .jpg; .png; .csv; .xls |
| Spare memory | Internal memory (2.8 GB) |
| Infrared image output | Value |
|---|---|
| Spectral bandwidth | 7.5 to 14 µm |
| Field of view | 42° x 30° |
| Focus | Fixed focus |
| Minimum focus distance | <0.5 m |
| Geometric resolution (IFOV) | 2.3 mrad |
| Refresh rate | 9 Hz |
| Infrared resolution | 320 x 240 pixels |
| SuperResolution IFOV | 1.3 mrad |
| SuperResolution resolution | 640 x 480 pixels |
| Thermal sensitivity | <0.05 °C (50 mK) |
| Measurement | Value |
|---|---|
| Accuracy | ±2 °C, ±2 % of mv |
| Emissivity | 0.01 ... 1 |
| Measuring span | -30 … +100 °C; 0 ... +650°C |
| Reflected temperature | Manual |
| testo ε-Assist | Included in delivery |
| Measurement functions | Value |
|---|---|
| Analysis function | Mean point measurement, hot / cold spot detection, Delta T, area measurement (min-max over the area) |
| Manual "solar" mode | Entry of the solar radiation value |
| Manual "electrical" mode | Current, voltage, power |
| Manual "humidity" mode | Included in delivery |
| Humidity measurement with hygrometer | Automatic transfer of readings from the testo 605i thermo-hygrometer via Bluetooth (instrument to be ordered separately); approved in the EU, EFTA, USA, Canada, Australia, Turkey |
| IFOV warner | Included in delivery |
| testo ScaleAssist | Included in delivery |
| Electrical measurement with clamp meter | Automatic transfer of readings from the testo 770-3 clamp meter via Bluetooth (optional); radio approval in the EU, EFTA, USA, Canada, Australia and Turkey |
| PC software | Value |
|---|---|
| System requirements | Windows® 11 ; Windows 10; Windows® 8.1 |
| Physical characteristics | Value |
|---|---|
| Dimensions | 219 x 96 x 95 mm |
| Weight | 510 g |
| Product / housing material | PC - ABS |
| Power supply | Value |
|---|---|
| Battery type | Fast-charging lithium-ion battery, replaceable on site |
| Mains operation | Yes |
| Battery life | 4.0 h |
| Charging options | in the instrument / on the charging station (optional) |
| Standards | Value |
|---|---|
| EU/EC directives | RED : 2014/53/EU; EMC : 2014/30/EU |
| General technical data | Value |
|---|---|
| Product colour | Black |
| Display illumination | bright / normal / dark |

Testo · Accu supplémentaire
Extend the operating time of your instruments and use the lithium-ion rechargeable battery as a second battery.

Testo · Bloc d'alimentation USB avec câble
Use the mains unit with micro USB for supplying the power to your measuring instrument (e.g. testo 400 IAQ measuring instrument). Thanks to the various plug types supplied, the mains unit is also suitable for international use.

Testo · Ruban adhésif
Use the emission tape when you are using your thermal imager to measure on reflective surfaces, for example metal.

Testo · Station de charge pour accumulateur, station de charge de table
Optimize the charging time for your instrument's battery with this rechargeable battery charging station. Simply charge an instrument battery in the charging station while another battery is actually in use. External battery charger for Testo instrument batteries, suitable for testo 871, testo 872, testo 868, testo 865, testo 330.

Testo · testo 605i
The compact testo 605i temperature and humidity measuring instrument with bendable probe head features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart App to reliably measure air temperature and humidity in rooms and ducts.

Testo · testo 770-3
Non-contact measurement on tightly packed cables is really easy and reliable with the testo 770-3 clamp meter. Its innovative grab mechanism will make your work easy. The most powerful model in the clamp meter series, it offers lots of additional functions for those challenging tasks that you are faced with on a daily basis, e.g. connection to the testo Smart App and other Testo measuring instruments. Thanks to its increased resolution, the clamp meter delivers highly precise results even in the lower current range.

Testo · testo ɛ-Marker
Take thermal images simply and accurately with the testo ɛ-Marker. With the testo ɛ-Marker, not only will your thermal imager with testo ɛ-Assist function determine the emissivity (ɛ) and reflected temperature (RTC) of the measurement object automatically, it will set both values automatically too.

Testo · testo IRSoft v5.3
Free download: Use the software to process and analyze infrared images conveniently on a PC. Extensive investigative functions are available for professional thermal image processing.

Testo · testo 860i
The testo 860i wireless thermal imager for smartphones enables quick and easy determination of Delta T in the thermal image using the application-specific measurement functions DeltaHeat and DeltaCool. With crystal-clear thermal images thanks to high infrared resolution and simple operation via the testo Smart App, it offers flexible application options and high practicality for everyday use, either wirelessly or with one-handed operation directly on the smartphone.

Testo · testo 862-2
The testo 862-2 Electrical Kit combines the high-resolution testo 862-2 thermal imager with the advanced testo 770-3 TRMS clamp meter, offering an all-in-one solution for electrical and HVAC/R professionals. The wireless connection transmits accurate electrical measurements directly into the thermal image, streamlining workflow and improving troubleshooting efficiency.

Testo · testo 862-1
The new testo 862-1 brings a new level of clarity to your inspections. Compact enough to fit in any pocket, it captures sharp thermal images in seconds, while smart features ensure you never miss a spot.

Testo · testo 862-2
The new testo 862-2 brings a new level of clarity to your inspections. Compact enough to fit in any pocket, it captures ultra-sharp thermal images in seconds, while smart features ensure you never miss a spot.