Fluke TiR 9Hz Thermal Imager

Published on Aug. 3, 2023, 7:59 a.m.


Thermal imaging technology is an advanced method that utilizes the infrared radiation emitted by objects to generate images. The intensity and distribution of infrared radiation emitted by an object are determined by its temperature, and thermal imagers can capture and convert this radiation into visual images. This technology finds wide applications in various fields, including construction, medical, industrial, and security sectors. Through thermal imaging, real-time monitoring of temperature changes, identification of potential issues, and timely actions for repair or adjustment can be achieved, thereby improving efficiency, reducing costs, and even saving lives.

Technical Background

A thermal imager is a device that operates based on the principle of infrared radiation, with its core component being a sensor called a microbolometer. When the temperature of an object is above absolute zero, it emits infrared radiation, which the microbolometer sensor can detect and convert into electrical signals. Subsequently, these signals are processed and transformed into visual images, displaying the distribution of objects at different temperatures on the image. Thermal imagers typically have different resolutions, temperature ranges, and sensitivities to meet the requirements of different application scenarios.

The Fluke TiR 9Hz is a professional-grade thermal imaging camera designed for building diagnostics, preventive maintenance, and energy auditing applications. With its high sensitivity infrared sensor and innovative features, it allows users to quickly locate temperature anomalies and building heat leaks. In this review, we’ll take an in-depth look at the capabilities and real-world performance of this thermal imager.

 Fluke TiR 9Hz Thermal Imager


As Fluke’s flagship handheld thermal camera, the Fluke TiR 9Hz Thermal Imager builds upon the company’s decades of experience in test equipment and thermal imaging. It captures infrared heat images with accuracy and converts them into detailed temperature maps on its bright LCD display. The unique IR-Fusion technology overlays these heat images onto a regular visible light picture for enhanced analysis.

Key Features

  • 320 x 240 infrared resolution with up to 2x digital zoom
  • Temperature range from -20°C to +600°C
  • Thermal sensitivity of <0.05°C for detecting minute temperature differences
  • IR-Fusion overlays infrared image on visible background
  • 2GB micro SD card for storing thousands of radiometric JPEG images
  • Rugged, ergonomic design rated to withstand a 2 meter drop

Design and Build Quality

Weighing 1.04kg including the battery, the Fluke TiR 9Hz Thermal Imager has an exceptionally robust construction that inspires confidence. The exterior shell uses thick plastic that feels solid, while the interior components are well-protected. Large rubber overmolds on the sides provide grip and impact resistance. The unit is rated IP54 for dust and splash resistance. Overall, the camera oozes durability despite its lightweight form factor.

Image Quality and Sensitivity

Equipped with a 240 x 320 pixel focal plane array detector, the Fluke TiR 9Hz Thermal Imager produces crisp high contrast thermal images. The thermal sensitivity of <50 mK allows it to detect minute temperature differences. Users can choose between 11 customizable color palettes to best suit the application. Image quality remains excellent even in difficult low contrast scenes thanks to proprietary filtering and image processing.

Ease of Use

Despite its sophisticated capabilities, the Fluke TiR 9Hz Thermal Imager is simple and intuitive to operate. The side-mounted lens with automatic focus provides a natural point-and-shoot handling. All controls are conveniently located for one-handed use. The responsive touch screen interface makes navigating menus and adjusting settings quick and easy.

Software and Connectivity

The Fluke SmartView reporting software (included) offers advanced analysis and report generation capabilities. Via the USB cable, users can export both radiometric IR and visible images to SmartView. The software provides helpful tools like comparing before/after images, adding measurement points and regions of interest, and creating professional reports.

Safety and Battery Life

The safety of thermal imagers is crucial for users, especially in field applications in industrial settings. These devices often need to operate under harsh environmental conditions, such as high temperatures, high pressures, or hazardous workplaces. Therefore, the design of thermal imagers must comply with stringent safety standards and feature durability and protection functions to ensure user safety and equipment reliability. Additionally, battery life is also an important indicator of thermal imager quality. Long working hours mean users can use the equipment continuously without the need for frequent recharging or battery replacement, thereby enhancing work efficiency.

Use Cases

  • Finding heat loss issues in buildings, envelopes, and roofs
  • Locating moisture and water damage behind walls and under floors
  • Checking the performance of insulation, windows and HVAC systems
  • Identifying electrical faults like overheating wires and connections
  • Monitoring process equipment in factories for hot spots or blockages

Customer Feedback

Overall, the Fluke TiR 9Hz Thermal Imager garners outstanding reviews from customers. They praise its image quality, intuitive touchscreen interface, ruggedness and comfortable ergonomics. Many reviewers mention the IR fusion feature provides clearer analysis compared to pure infrared alone. Constructive feedback notes the lack of wireless connectivity and a steeper learning curve for some of the advanced analysis functions.


  • Excellent image clarity and thermal sensitivity
  • IR Fusion for overlaying visual and infrared
  • Robust, ergonomic design built to last
  • Intuitive touch screen and easy menus
  • SmartView analysis software included


  • High initial cost
  • No wireless connectivity
  • Advanced analysis requires software learning curve


With an MSRP of $6995, the Fluke TiR 9Hz Thermal Imager is a premium instrument designed for professionals. While not cheap, it delivers excellent value through its versatility, build quality, intuitive interface, and software ecosystem. For energy auditors, building inspectors, and maintenance technicians, the productivity and diagnostic power justify the investment.


With best-in-class thermal imaging, an innovative fused visual mode, and versatile software, the Fluke TiR 9Hz Thermal Imager represents the gold standard for handheld thermal cameras. It excels at building diagnostics, energy audits, and preventive maintenance applications. For professionals who regularly perform infrared inspections, the Fluke TiR 9Hz Thermal Imager provides an indispensable tool for non-destructive testing and thermal analysis.

Market Analysis

In-depth analysis of the thermal imager market reveals a steady growth trend. Major manufacturers include Fluke, FLIR Systems, Testo AG, among others, which continually introduce new products and technological innovations to meet the needs of various industries. Market segmentation mainly includes sectors such as construction, medical, industrial, military, and firefighting. With the increasing awareness of energy efficiency and safety, coupled with ongoing technological advancements, the applications of thermal imagers in preventive maintenance, security monitoring, and non-destructive testing will further expand. According to market research forecasts, the thermal imager market is expected to maintain strong growth momentum in the coming years, especially in the industrial and security sectors.


  • Detector: 240 x 320 pixel uncooled microbolometer
  • Thermal sensitivity: <50 mK
  • Temperature range: −20°C to +600°C
  • Spatial resolution: 1.31 mRad
  • Field of view: 24° H x 17° V
  • Focus: Fixed, minimum focus distance 15 cm
  • Image frequency: 9 Hz refresh rate

Box Includes:

  • Fluke TiR125 Imager unit
  • AC charger and lithium-ion smart battery
  • 2GB micro SD card
  • Hard carrying case
  • Adjustable hand strap
  • SmartView software DVD
  • Quick start guides
  • Warranty registration card

How to Use:

  1. Charge battery fully before first use
  2. Insert charged battery and SD card
  3. Point lens at target and pull trigger to capture images
  4. Adjust manual focus, temperature scale, color palettes as needed
  5. Review stored images or stream live video to SmartView software
  6. Create reports with temperature measurements and analysis