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testo 875-1i - Versatile Thermal Imager 

Order-Nr.  0563 0875 V1

  • Image quality: IR resolution 160 x 120 pixels 

  • SuperResolution technology to 320 x 240 

  • Thermal sensitivty <50mK 

  • Built in digital camera 

The Testo 875-1i is a general purpose thermal imaging camera. You can carry out completely damage-free tests on materials and components. It allows you to visualize problems in industrial maintenance and production monitoring before a malfunction or a fire risk occurs. 

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Product Description

With the testo 875-1i, you can identify energy loss in building thermography, helping your customers to save on expensive heating costs. You therefore save time, energy and money in industrial thermography as well as in building thermography, and ensure more security allround.

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.

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 (optional) 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 

 

Delivery Scope

Whats included : Robust case, Free Pro software, 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

Please view the Brochure on the download Tab to view technical data for the Testo 875-1i versatile thermal imager 
Infrared image output

Focus

manual

Infrared resolution

160 x 120 pixels

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 at +30 °C
Image output visual

Minimum focus distance

0.4 m

Image size

640 x 480 pixels
Image presentation

Display option

IR image only; real image only; IR image / real image

Number of colours

10

Colours

10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT)

Display type

3.5" LCD with 320 x 240 pixels

Video output

USB 2.0
Measurement

Reflected temperature

manual

Measuring range

-30 to +100°C; 0 to +350 °C (switchable)

Accuracy

±2 °C, ±2 % of m.v. (±3 °C of m.v. at -30 to -22 °C)
Measuring function

Surface moisture distribution

Not included

Humidity measurement

Not included

Solar mode – manual

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; 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 h

Charging options

In instrument / charger (optional)

Mains operation

yes
Ambient Condition

Storage temperature

-30 °C; 60 °C

Operating temperature

-15 °C; 40 °C

Housing protection class

IP54

Vibration

2G

Air humidity

20 to 80 %RH non-condensing
Physical specification

Weight

900 g

Tripod mounting

M6

Housing

ABS

Dimensions

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

Checking as part of mechanical maintenance

Signs of wear in machinery often become apparent long before a malfunction, due to an increase in temperature. Possible causes are friction, incorrect adjustment, tolerances of mechanical components or a lack of lubricant. With a thermal imager, any suspicious changes can be spotted immediately. The main advantage of using thermography in a maintenance operation: it is non-contact and can therefore be carried out on all mechanical installations during operation and from a safe distance.

Typical applications for the thermal imager:

  • Checking engines
  • Checking bearings
  • Checking shafts

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Checking as part of electrical maintenance

In electrical installations or cables, increased temperatures are always an indication of an overload, an imminent malfunction or an existing defect. Testo thermal imagers facilitate evaluation of the heat status of low, medium and high-voltage systems. Thermographic images lead to the early detection of defective components or connections, so that the necessary preventive measures can be introduced in a targeted way. Thermography therefore minimizes dangerous fire risks and prevents costly production downtimes.

Typical applications for the thermal imager:

  • Checking switch cabinets
  • Checking electrical connections
  • Monitoring and checking photovoltaic systems
  • Checking as part of mechanical maintenance

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Detecting structural defects and ensuring construction quality

Analysis with a Testo thermal imager is a fast and efficient method of detecting possible structural defects. Furthermore, Testo thermal imagers are ideal for providing proof of the quality and the correct implementation of construction measures. Any heat losses, humidity and areas of air permeability in a building are visible in the thermal image. The testo 870 thermal imager makes it possible to detect faulty thermal insulation and structural damage – all using a non-contact method!


Typical applications for the thermal imager:

  • Checking the air tightness of windows and doors
  • Finding insulation defects and thermal bridges in the building shell
  • Detecting areas that are prone to mould

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Locating leaks in flat roofs

Damp areas in the roof structure, in particular in flat roofs, store the warmth from the sun for longer than intact areas. This means the roof structure cools unevenly in the evenings. Testo thermal imagers use these temperature differences to pinpoint the exact roof areas with trapped moisture or damaged insulation.

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Carrying out energy consultation

In building thermography, thermal imagers are ideal for quick, easy visualization of energy losses in the heating or air conditioning systems of buildings. Thanks to their high temperature resolution, Testo thermal imagers provide a detailed presentation of inadequate insulation and thermal bridges in the building shell. Thermal imagers are ideal for recording and documenting energy losses on outer windows and doors, roller blind casings, radiator niches, roof structures or the entire building shell. Comprehensive diagnosis can therefore be carried out to analyze energy efficiency, and structural improvement measures can be initiated.

Detailed energy consultancy, where the whole building shell is analyzed for its energy loss, effectively indicates further possibilities for energy saving.

Typical applications for the thermal imager:

  • Analyzing building shells
  • Easy to use in conjunction with Blower Door

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Easy monitoring of heating and installation systems

Testo thermal imagers are easy and intuitive to operate, so they are ideal for quickly and reliably checking heating, ventilation and air conditioning systems. A quick glance with the thermal imager is enough to discover irregularities in the temperature distribution. Thus, thermography can be used to easily locate clogged radiators and leaks.

Typical applications for the thermal imager:

 

  • Pinpointing the course of heating loops in an underfloor heating system
  • Checking radiators for the build-up of deposits
  • Measuring the supply and return temperature
  • Locating leaks

 

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Manuals

Software