Testo 875-1i - Thermal Imager with digital camera
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Overview
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.
- Very good image quality: Resolution 160 × 120 pixels / 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
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 Imaging 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 Link to the “testo IRSoft” pdf
- Measuring range: -30 to +350 °C
Delivery Scope
The testo 875-1i thermal imager with 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
| 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 at +30 °C |
| Image output visual | |
|---|---|
| Image size | 640 x 480 pixels |
| Minimum focus distance | 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 colours | 10 |
| Colours | 10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT) |
| Video output | USB 2.0 |
| Measurement | |
|---|---|
| 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) |
| Reflected temperature | manual |
| 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 |
| Air humidity | 20 to 80 %RH non-condensing |
| Housing protection class | IP54 |
| Vibration | 2G |
| Physical specification | |
|---|---|
| Weight | 900 g |
| Dimensions | 152 x 108 x 262 mm |
| Tripod mounting | M6 |
| Housing | ABS |
| 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 |
| Warranty | 2 years |
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
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
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
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.
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
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
