Battery Powered Thermal Imagers
Last Updated: April 1, 2025
Description
Battery powered thermal imagers are devices designed to capture and display temperature variations across a surface. They provide a visual representation of temperature distribution by detecting infrared radiation emitted by objects. These imagers are portable, allowing for easy use in various environments without the need for a constant power source.
Working Principle
Thermal imagers operate by detecting infrared radiation, which is emitted by all objects with a temperature above absolute zero. This radiation is focused onto a detector, typically a Focal Plane Array (FPA), which converts the infrared energy into an electrical signal. This signal is then processed to create a thermal image that displays temperature variations. The usefulness of thermal imagers lies in their ability to provide real-time, non-contact temperature measurements, making them invaluable for monitoring and diagnosing thermal conditions in various settings.
Applications
Thermal imagers are used in a wide range of applications. In industrial settings, they are employed for monitoring heat treatment processes, ensuring uniform temperature distribution to prevent internal stress or thickness variations in materials. They are also used in condition monitoring to detect hot spots or temperature deviations in machinery, which can indicate potential failures. Additionally, thermal imagers are utilized in building inspections to identify heat leaks or insulation issues.
Advantages over other Sensing - Humidity Measurement
While thermal imagers are primarily used for temperature measurement, they offer advantages over traditional humidity sensors in certain scenarios. For instance, in environments where temperature and humidity are closely linked, such as in HVAC systems, thermal imagers can provide a more comprehensive view of the system's performance by visualizing temperature gradients that may affect humidity levels.
Limitations
One limitation of battery powered thermal imagers is the need for periodic battery replacement, which can interrupt usage and increase maintenance efforts. Additionally, their accuracy can be affected by environmental factors such as dust or water, although many models are designed to withstand such conditions. The resolution of thermal images is generally lower compared to visual cameras, which can limit the level of detail captured.
Considerations
When considering the purchase of a battery powered thermal imager, several factors should be taken into account. Initial costs can vary significantly depending on the resolution and features of the device. Operating expenses include battery replacements and potential calibration services to maintain accuracy. Durability is an important consideration, especially for industrial use, where devices may be exposed to harsh conditions. Accuracy is typically within ±2% or ±2°C, which should be sufficient for most applications. Replacement and maintenance costs should also be considered, as regular upkeep is necessary to ensure reliable performance.
from InfraTec GmbH
The worldwide unique infrared camera VarioCAM ® HD head 800 with its latest detector technology in XGA format defines the premium segment of uncooled industrial cameras. Microbolometer detector with up to (1,024 × 768) IR pixels. Opto-mechanical MicroScan with up to (2,048 ×1,536) IR... [See More]
- Portable: Battery Powered; Removable Data Storage
- Spectral Range: 7.5 to 14
- Measurement Range: -40 to 2000
- Accuracy: 1
from PCE Instruments / PCE Americas Inc.
Our Thermal Imager offers reliable temperature measurement within a range from -20 °C to 550 °C (-4 °F to 1022 °F). The infrared images are displayed with a resolution of 384 x 288 pixels on the 3.5 inch colour display. The Thermal Imager saves more than 40,000 images in the internal 6 GB memory in... [See More]
- Portable: Portable; Battery Powered
- Temperature Resolution: 0.1000
- Measurement Range: -20 to 550
- Weight: 1.4
from InfraTec GmbH
With its 3.1 megapixels in IR-format the worldwide unique infrared system VarioCAM ® HD head 900 gives a new definition to the premium segment of uncooled industrial cameras and guarantees for precise infrared recordings in brilliant photographic quality. Image format: (2,048 × 1,536) IR... [See More]
- Portable: Portable; Battery Powered; Removable Data Storage
- Spectral Range: 7.5 to 14
- Measurement Range: -40 to 2000
- Accuracy: 1
from Fluke
Identify problems quickly with the fixed focus, TiS60 Infrared Camera with 260x195 resolution and precision image blending with IR-Fusion ® technology. Easy to use fixed focus technology. Quality images – 260x195 resolution (50,700 pixels). D:S of 417:1. Temperature measurement range -20... [See More]
- Portable: Battery Powered
- Detector Type: Flying Spot
- Measurement Range: -20 to 550
- Cooling: Uncooled
from DEWALT Industrial Tool Co.
Product Features. Patent pending imaging technology measures and displays both thermal and visual images. Non-contact temperature measurement (14 °F to 480 °F) for ease of use over distance and accuracy. Visual and thermal images can be blended for quickly diagnosing temperature issues and... [See More]
- Portable: Battery Powered
- Measurement Range: -10 to 249
from ANVS, Inc.
Viewer comes with soft case and IR filter, 30 ° field of view [See More]
- Portable: Portable; Battery Powered
- Cooling: Uncooled
- Spectral Range: 0.3500 to 1.55
- Features & Options: Infrared / Spectral Filters
from Vibration Specialty Corporation
JENOPTIK Infrared Camera. The new VarioCAM ® HiRes product line from JENOPTIK is a range of high-quality tools for all fields where perfect image quality and measurement precision are crucial to successful work. For the first time, a mass-produced thermal imaging camera can be used to take... [See More]
- Portable: Portable; Battery Powered; Removable Data Storage
- Spectral Range: 7.5 to 14
- Measurement Range: -40 to 1200
- Temperature Resolution: 0.0060 to 0.0080
from OMEGA Engineering, Inc.
Compact point-and-shoot OSXL-I Series cameras are the most cost-effective choice for getting your new infrared program off to a strong start or arming everyone on your team with the power of thermal imaging. OSXL-I Series cameras provide high-quality thermal images and temperature data to help find... [See More]
- Portable: Portable; Battery Powered; Removable Data Storage
- Spectral Range: 7.5 to 13
- Measurement Range: -20 to 250
- Detector Type: Array
from Fluke
A high performance, 240 x 180 thermal imaging camera. Includes wireless and LaserSharp ™ auto focus making it ideal for maintenance professionals. LaserSharp ® Auto Focus - get consistently in-focus images. Every. Single. Time. Utilizing precision laser technology, focus on your target... [See More]
- Portable: Battery Powered
- Detector Type: Flying Spot
- Measurement Range: -20 to 650
- Cooling: Uncooled
from OMEGA Engineering, Inc.
Automatic. Focus Free. Outstanding Measurement and Accuracy. Compact and Lightweight. SD Card Storage (SD Card Included). Reporting Software Included (Compatible with. Windows ® 7 & 8). Applications. Inspection and Diagnostics in Factory Automation. Process Control. Building HVAC. Solar... [See More]
- Portable: Portable; Battery Powered; Removable Data Storage
- Accuracy: 2
- Measurement Range: -20 to 250
- Maximum Dimension: 9.2
from OMEGA Engineering, Inc.
The OSXL-T620 (FLIR T620) has the highest thermal imaging resolution in its class. With 307,200 pixels at 640 × 480, OSXL-T620 (FLIR T620) gives professional thermographers the highest thermal resolution and sensitivity for the best-looking images and most accurate temperature measurements. [See More]
- Portable: Portable; Battery Powered; Removable Data Storage
- Spectral Range: 7.8 to 14
- Measurement Range: -20 to 650
- Accuracy: 2
from OMEGA Engineering, Inc.
The OSXL-TIC is ideal for revealing hidden heat-driven processes and problems. Applications include: equipment maintenance, repair and operations (MRO); building energy audits; process/manufacturing plant maintenance; water damage restoration; firefighting; navigation; surveillance. By converting... [See More]
- Portable: Portable; Battery Powered
- Spectral Range: 8 to 14
- Measurement Range: -20 to 1500
- Accuracy: 2