testo 875-1i – Infrared camera with SuperResolution

Order-Nr : 0563 0875 V1

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  • Very good image quality: IR resolution 160 × 120 pixels, with SuperResolution Technology 320 × 240 pixels
  • Precise measurement: thermal sensitivity < 50 mK, high-quality 32° × 23° lens with manual focus, automatic hot/cold spot detection
  • Built-in digital camera creates a real image in parallel to the thermal image
  • Comprehensive accessories, including: robust case, pro software, SD card, carrying strap, mains unit and lots more

Ideally equipped for industrial and building thermography: The testo 875-1i thermal imager means even the smallest temperature differences can be seen with a thermal sensitivity of < 50 mK. You can create real images with the built-in digital camera and assign these to the thermal images.


Product Description

Make sure you get the testo 875-1i thermal imager with built-in digital camera for professional industrial and building thermography!
You can carry out completely non-destructive tests on materials and components in industrial thermography with the testo 875-1i. This allows you to reveal problems in industrial maintenance and production monitoring before a malfunction occurs or fire risks develop. And for good measure, you can create a real image in parallel to the thermal image thanks to the built-in digital camera. This makes documentation and assignment easier for you.
You can detect possible structural defects with the testo 875-1i thermal imager in building thermography. With the excellent thermal sensitivity of < 50 mK, you can quickly and efficiently track down energy losses and so help your customers to save expensive heating costs and plan refurbishments.
In the “Applications” tab, you can find out more about the thermal imager’s fields of application.

The testo 875-1i infrared camera’s technical features

The testo 875-1i thermal imager is characterised by its intuitive operation, excellent thermal sensitivity and built-in digital camera. Read all the important information here:

  • Built-in digital camera: Recording real images in parallel to each thermal image makes documentation and assignment easier
  • Resolution and image quality: Detector size 160 × 120 pixels = 19 200 temperature measuring points. SuperResolution Technology enables you to take image quality right up to the next level of 320 × 240 pixels in next to no time. Four times as many readings and a geometric resolution that has been improved by a factor of 1.6 mean you get even more detail and even greater reliability with thermographic measurements
  • Thermal sensitivity < 50 mK: Thanks to a temperature resolution of < 50 mK, even the smallest temperature differences can be seen
  • High-quality 32° × 23° lens: The lens with its manual focusing enables a wide field of view and an ideal overview of the temperature distribution, along with precise focusing on the object being measured
  • Automatic hot/cold spot detection: Critical temperature conditions are directly displayed during thermography
  • Solar mode: The solar radiation value can be input into the thermal imager and stored with each thermal image
  •  Pro software for image evaluation on the PC included. You can also choose to save the thermal images as JPEGs. Find out more about the software
  •  Measuring range: -30 to +350 °C
Infrared image output
Infrared resolution 160 x 120 pixels
Focus manual
Image refresh rate 33 Hz
SuperResolution (IFOV) 2.1 mrad (Standard lens)
SuperResolution (Pixel) 320 x 240 pixels
Geometric resolution (IFOV) 3.3 mrad (Standard lens)
Minimum focus distance 0.1 m (Standard lens)
Field of view 32° x 23°
Thermal sensitivity 50 mK
Image output visual
Image size 640 x 480 pixels
Minimum focus distance 1.3 ft. / 0.4 m
Image presentation
Display type 3.5″ LCD with 320 x 240 pixels
Display option IR image only; Real image only; IR image / real image
Number of colors 10
Color palettes 10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT)
Video output USB 2.0
Measuring range 662°F
Accuracy ±2% of reading
Reflected temperature manual
Measuring function
Surface moisture distribution Not included
Humidity measurement Not included
Solar mode Included
Analysis function Up to 2 measurement points, hot/cold spot recognition
Imager equipment
Digital camera Included
Video streaming Included
Laser Included
Standard lens 32° x 23°
Power-LED Not included
Imager storage
File format image .bmt; software export option in .bmp; .jpg; .png; .csv; .xls
Storage device SD card 2GB (approx. 2.000 images)
Power supply
Battery type Fast-charging, Li-ion battery can be changed on-site
Operating time 4 hr
Charging options In instrument / USB charger
Power supply yes
Ambient Condition
Storage temperature -22 °F; 140 °F / -30 °C; 60 °C
Operating temperature 5 °F; 104 °F / -15 °C; 40 °C
Air humidity 20 to 80 %RH non-condensing
Housing protection class IP54
Vibration 2G
Physical specification
Weight 31.7 oz. / 900 g
Tripod mounting M6
Housing ABS
Dimensions 6 x 4 x 262 / 152 x 108 x 262
PC software
System requirements Windows XP (Service Pack 3); Windows Vista; Windows 7 (Service Pack 1); Windows 8; Interface: USB 2.0
Standards, tests, warrenty
EU-/EG-guidelines 2004/108/EG

Download Datasheet

Delivery Scope

The testo 875-1i thermal imager with SuperResolution and digital camera is supplied together with the following accessories:

  • – Robust case
    – Pro software for image evaluation on the PC
    – Soft case
    – Carrying strap for the thermal imager
    – SD memory card
    – USB cable for data transfer to PC
    – Lens cleaning cloth
    – Mains unit
    – Li-ion battery
    – Adapter for tripod mounting

Additional information



Order No

0563 0875 V1