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Fluke Ti25 Thermal Imager

Model: TI25/9HZ | Order No: TI25-9HZ

For Electrical/Industrial applications. Features a 160 x 120 9Hz infrared sensor with 0.10°C thermal sensitivity and IR Fusion image blending. Optional field upgradeable lenses.

This product has been discontinued. Click here for the replacement model(s).


The ultimate tool for troubleshooting and maintenance

This thermal imager is the perfect tool to add to your problem solving arsenal. Built for tough work environments, this high-performance, fully radiometric infrared camera is ideal for troubleshooting electrical installations, electro-mechanical equipment, process equipment, HVAC/R equipment and others.

The Fluke Ti25 Thermal Imager comes with IR-Fusion® Technology that integrates infrared and visual (visible light) images in full screen or picture-in-picture views for enhanced problem detection and analysis. IR-Fusion helps users recognize image details and better identify problem areas by quickly scrolling through the different viewing modes. A full visual image (640 X 480) can be displayed and stored with each IR image. In addition, the Fluke Ti25 Thermal Imager provide voice recording for annotating saved images and on-screen emissivity correction.

Fluke IR-Fusion Technology provides five viewing modes - each designed to add greater clarity, accuracy and a valuable frame of reference to infrared images - IR-Fusion allows users to manipulate images right on the camera's display and is designed specifically to allow users to find problems not commonly or easily detected with other tools.

Viewing modes include:

  • Full Infrared - high-resolution standard infrared images.
  • Full Visible Light (this mode available only in the software) - a visual (visible light) image like you would get with a digital camera.
  • Picture-in-Picture - an IR image portal surrounded by a visual (visible light) frame for reference.
  • Auto (Automatic) Blending - combines infrared and visual (visible light) images blended together at user-adjustable levels for the greatest image clarity.
  • IR/Visible Alarm (this mode available only in the software) - displays only the portions of the image that fall above, below or between a user-specified temperature range as IR, leaving the remainder of the image as full visual (visible light).

The IR-Fusion Technology makes it easier to identify details and potential problems by managing and analyzing images with complete control over both the infrared and visual (visible light) spectrums. The ability to fuse images on-camera and optimize images in real-time improves primary target identification, enhances issue locating efficiency and offers a tremendous advantage in reporting clarity.

Thermal and visual images are displayed on the Imager LCD and can be saved to an SD Memory card. Transferring images to a PC is accomplished by removing the SD memory card and connecting it to a PC through the included card reader.


  • Inside electrical distribution and service (switch gear, panels, controls, fuses, transformers, receptacles, lighting, conductors, overhead buses, motor control centers)
  • Motors, pumps and mechanical (electric motors and generators, pumps, compressors, evaporators, bearings, couplings, gearboxes, gaskets/seals, belts, rollers, disconnects)
  • Process (tanks and vessels, pipes, valves and traps, reactors, process insulation)
  • HVAC/R (air conditioning, heating, air handlers, refrigeration)
  • Outside electrical distribution for utilities (transformers, bushings, insulators, transmission lines, other exterior conductors, service connections, disconnects, capacitor banks)
  • Enhanced problem detection and analysis capabilities with IR-Fusion® Technology. Simply scroll through the different viewing modes quickly to better identify trouble areas in Full IR thermal, picture-in-picture, or automatic blend visual and thermal images.
  • Optimized for field use in harsh work environments.
  • Engineered and tested to withstand a 2 m (6.5 ft) drop-When was the last time you dropped a tool?
  • Withstands dust and water-tested to an IP54 rating.
  • Delivers the clear, crisp images needed to find problems fast.
  • Identify even small temperature differences that could indicate problems with excellent thermal sensitivity (NETD).
  • Intuitive, three-button menu is easy to use-simply navigate with the push of a thumb.
  • No need to carry pen and paper-record findings by speaking into the camera. Voice annotations can be recorded with every image you take. Voice comments are saved along with individual images for future reference.
  • Everything needed to get started is included.
  • Adjustable hand strap for left-or right-handed use.
  • Manufactured in the U.S.A.

Fluke TI25/9HZ Specifications

Detailed specifications
Temperature measurement range (not calibrated below -10°C)-20°C to +350°C (-4°F to + 662°F) (two ranges)
Accuracy± 2°C or 2 % (whichever is greater)
On-screen emissivity correctionYes
Imaging performance
Field of view23° x 17°
Spatial resolution (IFOV)2.5 mRad
Minimum focus distanceThermal lens: 15 cm (6 in)
Visible (visual) light lens: 46 cm (18 in)
Image frequency9 Hz refresh rate
Detector type160 X 120 focal plane array, uncooled microbolometer
Infrared lens type20 mm F = 0.8 lens
Thermal sensitivity (NETD)≤ 0.1 °C at 30 °C (100 mK)
Infrared spectral band7.5 μm to 14 μm
Visual camera640 x 480 resolution
Image presentation
PalettesIronbow, blue-red, high contrast, amber, hot metal, grey
Level and spanSmooth auto-scaling and manual scaling of level and span
Minimum span (in manual mode)2.5 °C (4.5 °F)
Minimum span (in auto mode)5 °C (9 °F)
IR-Fusion® informationFull infrared with MAX, MID, or MIN automatic blending; and picture-in-picture with MAX, MID, or MIN automatic blending (Visual and IR blending)
Picture-In-Picture (PIP)Three levels of on-screen IR blending displayed in center 320 x 240 pixels
Full screen (PIP off)Three levels of on-screen IR blending displayed in center 640 x 480 LCD
Voice annotation
Voice annotation60 seconds maximum recording time per image
Image and data storage
Storage mediumSD memory card (2 GB memory card will store at least 1200 fully radiometric (.is2) IR and linked visual images each with 60 seconds voice annotations or 3000 basic (.bmp) IR images)
File formatsNon-radiometric (.bmp) or fully-radiometric (.is2)
No analysis software required for non-radiometric (.bmp) files
Export file formats w/SmartView™ softwareJPEG, BMP, GIF, PNG, TIFF, WMF, EXIF, and EMF

General specifications
Operating-10 °C to 50 °C (14 °F to 122 °F)
Storage-20 °C to +50 °C (-4 °F to 122 °F) without batteries
Relative humidity

10 % to 90 % non-condensing

9.1 cm (3.6 in) diagonal landscape color VGA (640 x 480) LCD with backlight (selectable bright or auto)
Controls and adjustments

User selectable temperature scale (°C/°F)

Language selection

Time/Date set

SmartView™ full analysis and reporting software included
BatteryInternal rechargeable battery pack (included)
Battery lifeThree to four hours continuous use (assumes 50 % brightness of LCD)
Battery charge time using ac adapter/charger and dc car chargerTwo hours for full charge
AC operation/charging

AC adapter/charger (110 Vac to 220 Vac, 50 Hz to 60 Hz). Charges battery while imager is operating. Universal ac mains adapters included.
Power saving

Sleep mode activated after 5 minutes of inactivity, automatic power off after 20 minutes of inactivity
Safety standards
CE DirectiveIEC/EN 61010-1 2nd Edition Pollution Degree 2
Electromagnetic compatibility
EMC directiveEN61326-1
C-TickIEC/EN 61326
US FCCCFR 47, Part 15 Class A

2 G, IEC 68-2-29

25 G, IEC 68-2-29 {2 m (6.5 ft) drop, 5 sides}
Dimensions (HxWxL)

0.27 m x 0.13 m x 0.15 m (10.5 in x 5 in x 6 in)

1.2 kg (2.65 lb)
IP rating


Calibration cycle

Two-years (assumes normal operation and normal aging)
Supported languages

English, Italian, German, Spanish, French, Russian, Portuguese, Swedish, Turkish, Czech, Polish, Finnish, Simplified Chinese, Traditional Chinese, Korean, and Japanese

Click here for complete specifications on the Fluke TI25/9HZ

What's included with the Fluke TI25/9HZ

  • Thermal imaging camera w/ 20 mm lens.
  • AC power supply/battery charger (including mains adapters)
  • SD memory card
  • SD card reader (USB) for downloading images into your computer
  • SmartView™ software with free software upgrades for life
  • Rugged hard carrying case
  • Soft transport bag
  • Hand strap
  • Users manual
  • Warranty registration card

Fluke SmartView software is included with each Fluke thermal imager.

  • Powerful, modular suite of software tools for viewing, annotating, editing and analyzing infrared images.
  • Generate fully customizable and professional-looking reports in a few easy steps.
  • Full support of IR-Fusion® Technology lets you edit images in five viewing modes.
  • Easy to use, yet delivers high-end analysis performance Image viewing and editing
  • Display an array of open images for convenient selection and analysis
  • Scroll across the image to display the temperature at any given point
  • Edit color palettes, reference images, markers, emissivity, and more Extensive annotation possibilities
  • Add annotations (text comments) to images and reports
  • Input information such as locations, category and other notes
  • Reference images can be linked for good/bad and before/after analysis
  • Detailed analysis and total image control
  • Alter the level, span and palette selection to enhance contrast or display detail more effectively
  • Unlimited standard and user-defined analysis markers
  • Five viewing modes allows you to choose the best image presentation for your application needs
  • Simplified report generation
  • Generate professional customized reports fast
  • One-click standardized report generation for a quick results
  • Choice of features including: Before/after, IR plus visible light, annotations, supporting data, graphics and charts
  • Report wizard guides the user through report generation

SmartView software system requirements:

  • Windows® /2000 SP4 with update roll up 1/XP SP2/Vista
  • A web browser for product registration. Internet
  • Explorer 5.0 or newer or Netscape® 5.0 or newer
  • 500 MB available disk space, not counting space requirements for web browser
  • 16-bit color, 800 x 600 resolution video or better
  • Color printer for printing the images
  • CD-ROM drive (for installing SmartView software)

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