What's the difference between the FOTRIC 226 and FLIR T420 handheld thermal cameras?


 Key Differences

  • Infrared Resolution: 384x288
  • Screen Size: 5.5-inch HD. Upgradable
  • Battery Time: 10+ Hours
  • Software: Fotric AnalyzIR, included
  • Radiometric Video: Support
  • Infrared Resolution: 320x240
  • Screen Size: 4.3-inch, fixed
  • Battery Time: 2.5 Hours
  • Software: Flir ResearchIR, extra $$$$
  • Radiometric Video: No


In-Depth Specification Comparison



Fotric 226


Market Price



Fotric 226 is more cost effective.



R&D and MRO

R&D users require more functions than maintenance users. 225 is more suitable for R&D users

IR Resolution

320 x 240

384 x 288

226’s resolution (110,592 pixels) is 44% higher than T420

Temperature Range





Great temperature range


±2°C(±3.6°F) or 2%

±2°C(±3.6°F) or 2%

Professional grade temperature measurement accuracy

LCD Screen

4.3”, fixed

5.5”, 720P or higher, upgradable

226 is paired with 5.5” large full HD touchscreen

Temperature Analysis

5 spots, 5 boxes, 1 line

8 spots, 1 line, and 8 boxes

226  can read and analyze more data instantly, convenient for field use

Minimum Focus Distance

0.4m (1.3ft)

0.15m (0.5ft)

226 can see smaller objects. 226’s minimum resolution (0.19mm) is 3 times of T420 (0.54mm)

Time Lapse



226 can take periodic image from 1s to 1 hour

Macro Lens Optional Optional A macro lens can measure smaller object

Fully-Radiometric Short Video*



226 can record fully-radiometric thermal video with the smartphone with up to 1,000 frames
Continuous Online Same as battery's working time Non-stop continuously 226 can work continuously with the external power supply
Radiometric Video Recording Same as battery's working time or memory storage size 1TB single radiometric file 226 can work continuously and record up to 1TB single radiometric file


2.5 hours

10 hours

226 can last for 1-day work under normal use without charging or replacing the battery

Software Flir ResearchIR Fotric AnalyzIR AnalyzIR is included with the camera while ResearchIR cost thousands of dollars

Fixed Installation


Tripod; Test bench

226 can be installed on the tripod while an adapter needs to be purchased to install T420 on the tripod

*   Fully-radiometric short thermal video stream refers that each frame of the video stream preserves the original temperature of each pixel.

  Note: Information is collected from the internet and for reference only.