Fluke Ti401U Thermal Imaging Camera

SKU: FLUKETI401U
  • High-resolution thermal imaging with 640 × 480 infrared resolution combined with 75 mK thermal sensitivity
  • Advanced inspection capabilities including Picture-in-Picture (PIP), IR-Fusion®, and multiple measurement tools
  • Enhances productivity with seamless connectivity and smart reporting tools
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Fluke Ti401U Thermal Imaging Camera

The Fluke Ti401U Thermal Imaging Camera is a mid-end model in Fluke's Classic Ultra Series, delivering a 640 × 480 infrared resolution that produces detailed thermal images. With a thermal sensitivity of 75 mK (0.075°C), it can detect small temperature differences that may indicate developing faults before they become serious problems. It includes both automatic and manual focus, a 25° × 19° field of view, and 1-10x digital zoom, offering flexibility when inspecting equipment at various distances.

The Ti401U has a temperature measurement range of between -20°C to 650°C and a temperature measurement accuracy of ±2°C or 2%, whichever is greater. It also includes intelligent range selection and compensation settings to improve measurement reliability. These settings account for:

  • Emissivity
  • Ambient temperature
  • Reflected temperature
  • Relative humidity
  • Measurement distance
  • IR windows

This allows users to take measurements across 16 spots, 8 lines and 12 areas, with high and low temperature alarms as well as temperature rise measurements, helping users identify potential issues more quickly.

The Ti401U also provides useful analysis directly on the camera. High and low temperature tracking automatically identifies temperature extremes, while maximum, minimum and average temperatures can be displayed on the thermal image. Captured images can be analysed using SmartView IR PC software, making it easier to review findings and document inspection results.

Combining thermal and visual information is straightforward with IR-Fusion and Picture-in-Picture (PIP). Users can adjust the blend between the infrared and visual images from 0% to 100%, helping pinpoint the exact component or area associated with a thermal anomaly. Additonal imaging features include:

  • 13-megapixel digital camera
  • Laser pointer
  • LED torch
  • Optional wide-angle lens
  • Optional 2x telephoto lens
  • Optional 4x telephoto lens

These features further extend the camera's versatility for different inspection environments.

For field inspections, the Ti401U features a 3.5-inch 640 × 480 LCD display, Bluetooth connectivity, USB and Mini HDMI interfaces, and a 64 GB Micro SD card expandable to 128 GB. Voice, text and label annotations, QR code scanning and time-lapse imaging help users record inspection information alongside captured images. The replaceable rechargeable battery provides around 2 to 3 hours of operating time, and a two-bay charger is included. The camera is designed to operate in ambient temperatures from-10°C to 50°C. A 2-year warranty and recommended two-year calibration interval provide additional support for long-term professional use.

Part number: 5580562

Fluke’s Classic Ultra Series Side-by-Side

 

Fluke Ti300U

Fluke Ti401U

Fluke Ti480U

IR resolution

384 × 288

640 × 480

640 × 480

Super Resolution

1280 × 960

Thermal sensitivity (NETD)

75 mK (0.075°C)

50 mK (0.05°C)

Spatial resolution (IFOV)

1.14 mrad

0.68 mrad

Temperature range

-20°C to 650°C

-20°C to 1,200°C

Temperature accuracy

±2°C or 2%*

Digital zoom

1–4x

1–10x

Minimum imaging distance

0.1 m

0.25 m

Focus

Auto / Manual

Optional lenses

Wide-angle
2x & 4x telephoto

Wide-angle
2x & 4x telephoto

Wide-angle
2x & 4x telephoto

Measurement spots / lines / areas

16 / 8 / 12

16 / 8 / 12

16 / 8 / 12

IR-Fusion & PIP

13 MP visual camera

Fully radiometric video

On-imager analysis

SmartView IR software

Bluetooth

64 GB Micro SD

Battery life

2–3 hours

IP rating

IP52

Drop resistance

1 m

Weight

1,188 g

1,215 g

Warranty

2 years


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Key Features

  • 640 × 480 infrared resolution
  • 75 mK thermal sensitivity
  • Auto and manual focus
  • 25° × 19° field of view
  • 1-10x digital zoom
  • Temperature range: -20°C to 650°C
  • Accuracy: ±2°C or 2%
  • 16 spot, 8 line and 12 area measurements
  • IR-Fusion® and Picture-in-Picture
  • 13 MP digital camera
  • Bluetooth, USB and Mini HDMI connectivity
  • 64 GB Micro SD card (expandable to 128 GB)
  • Voice, text and QR code annotations
  • 2 to 3 hour battery life
  • 2-year warranty

What's In The Box?

  • Fluke Ti401U Thermal Imager
  • Charger
  • Battery
  • Carrying case
  • HDMI cable
  • USB cable
  • Safety information
  • Report
Specification

Basic parameters

  • IR resolution: 640 × 480
  • Detector type: Uncooled focal plane infrared detector
  • Thermal sensitivity (NETD) @ 30 °C: 75 mk (0.075 °C)
  • Spectral response: 7 to 14 μm
  • Image frame rate: 9 Hz
  • Lens Field of View (FOV): 25° x 19°
  • Spatial resolution (IFOV): 0.68 mrad
  • Minimum imaging distance: 0.25 m
  • Lens focal distance: f 24.8
  • Focus: Auto / Manual Focus
  • Lens recognition: Auto
  • Optional lens: 2x telephoto lens, 4x telephoto lens, Wide-angle lens, Digital Zoom: 1-10x

Measurement analysis

  • Temperature range: -20 °C to 650 °C
  • Temperature measurement range: -20 °C to 120 °C; 0 °C to 650 °C
  • Intelligent range: Yes
  • Temperature accuracy: ±2 °C or 2%, whichever is greater (@ 23 °C ± 5 °C ambient temperature)
  • Temperature measurement area: Spots: 16; Lines: 8; Areas: 12
  • Global temperature measurement correction: Support emissivity, environment temperature, reflected temperature, relative humidity, temperature measurement distance, IR window (temperature and transmittance) correction
  • Area temperature measurement correction: Yes
  • Area audible alarm: Support high and low temperature alarm for the highest, lowest and average temperature of the area
  • Temperature rise function: Reference temperature can be the highest, lowest, or custom temperature of the area
  • On-Imager analysis: The thermal photos or videos are directly analyzed in the Imager
  • Analysis software for PC: SmartView IR

Image display

  • Display Screen: 3.5" LCD, 640 × 480
  • Image mode : Thermal image, Visible image, PIP, Fusion
  • Palettes: Grey, Iron 10, IronRed, Rainbow, Grey10, GreyRed, MidGrey, Yellow and Rain
  • Palettes can be inverted
  • Support real-time palette preview and switching
  • Temperature span mode: Support automatic adjustment of temperature span (min. 3 °C)
  • Support manual adjustment of temperature span (min. 2 °C)
  • The maximum and minimum value of temperature span can be selected by touch (min. 2 °C)
  • Colour and audible alarm: Yes. Above the temperature, below the temperature and between the temperature
  • Information displayed on the image: Display the global maximum, minimum, average temperature and temperature measurement parameters
  • High/low temperature tracking: Marking and automatically tracks high and low temperature points

 

IR Fusion

  • Blending degree of a visual photo and an infrared thermal image: 0% to 100%
  • Picture-in-Picture (PIP): Yes. The size, position and blending degree of infrared window can be adjusted

 

Shooting function

  • Digital camera: Industrial grade digital camera with 13-megapixel lens
  • Memory card: Micro SD card, standard 64 GB; expandable to 128 GB
  • Shooting Mode: Support single frame and time-lapse shooting
  • Image format: .bmp .jpg
  • Screen freeze: Support single frame shooting
  • Code scanning function: Yes. A QR code can be scanned as a label
  • Annotation function: Support voice, text and label annotation
  • Gallery: Support viewing, editing and deleting captured images and video files

 

Data Connection

  • Bluetooth connection: Support BT4.2 LE
  • USB interface: Type-A, USB 2.0
  • HDMI interface: Mini HDMI interface, HDMI 1.4
  • HDMI output: Support connection to a display or a projector via the HDMI interface

 

Ancillary Function

  • Laser: Yes
  • Temperature feature measurement : Support measuring the length of the temperature measurement line; support measuring the rectangular and circular area of the temperature measurement area
  • LED torch/flashlight: Support flashlight and flash mode

 

Power System

  • Battery type: 7.2V, 19Whr lithium battery, replaceable and rechargeable on field
  • Battery life: 2 to 3 hours/battery (*Actual life depends on settings and usage)
  • Charge Mode: 10-15 V DC charging
  • Charging time: 5 hours to full charge
  • Energy saving management: Auto screen-off
  • Battery charge: Ti SBC3B Two Bay Battery Charger (100 V ac to 240 V ac, 50/60 Hz, included), or in-Imager charging. Optional 12 V automotive charging adapter.
  • External power supply: Power adapter (110 to 220 V, 50/60 Hz AC power)

 

Physical parameters

  • Operating temperature: -10 °C to 50 °C
  • Storage temperature: -20 °C to 50 °C, without battery
  • Relative humidity: 0% to 95% (non-condensing)
  • Dimensions: 27.9 cm x 12.2 cm x 17.5 cm
  • Weight : 1215 g

 

Warranty and Maintenance

  • Warranty: 2 years
  • Recommended calibration period: 2 years

 

Optional Lenses

  • Lens name: Standard lens
  • Field of view: 25° x 19°
  • Minimum imaging distance: 0.1 m (Ti300U),25 m (Ti480/401U)

 

  • Lens name: Wide-angle lens
  • Field of view: 44° x 34°
  • Minimum imaging distance: 0.1 m

 

  • Lens name: 2x telephoto lens
  • Field of view: 12° x 9°
  • Minimum imaging distance: 1.0 m (Ti480U/401U), 0.25 m (Ti300U)

 

  • Lens name: 4x telephoto lens
  • Field of view: 7° x 5°
  • Minimum imaging distance: 3.0 m (Ti480U/401U), 1 m (Ti300U)
Label Type Size Download
pdf Fluke’s Classic Ultra Series Datasheet pdf 153.9 KB Download

Please see our terms and conditions for full details of TM Care & Protect.

Everything you’re likely to require for the next 3 or 5 years:

✅ Annual calibrations included
No further calibration costs for either 3 or 5 years

✅ Free collection and return for annual calibration
No hidden postage costs when it’s time for calibration

✅ ‘Zero-Downtime’ for the life of your care plan
Free loan equipment should your purchase ever need sending away for repair

✅ Anti-theft protection 
Each care plan includes a SmartTrace Forensic Marking kit that acts as a deterrent for your test equipment and other tools

✅ Instrument cleaning kit
Cleaning kit included with each TM Care & Protect plan

Our hope is that TM Care & Protect will bolster our commitment to support you throughout your journey with us, providing you peace of mind from the hassles of annual servicing, potential tool theft and loss of earnings.

Ensures complete reliability, minimised downtime and peace of mind. TM Care & Protect packages include:

✅ Annual Calibration
No further calibration costs for up to 5 years.

✅ Zero Unplanned Downtime
In case of any unforeseen repairs, we provide FREE loan instruments so you can continue working.

✅ Theft Deterrent Kit
Each care plan includes a SmartTrace forensic marking kit: The UK's most powerful theft deterrent. Use on your test equipment, van and tools.

✅ No Shipping Cost
Includes collection and return deliveries when it's time for calibration.

✅ Instrument Cleaning Kit
Avoid preventable issues by keeping your test equipment clean.

Our hope is that TM Care & Protect will bolster our commitment to support you throughout your journey with us, providing you peace of mind from the hassles of annual servicing, potential tool theft and loss of earnings.

Please see our terms and conditions for full details of TM Care & Protect.