Number of the sensor's measurement points, shown to the catalog's scale.
The largest sensor in the database has 327 680 points.
Published by the manufacturer
The only device in this comparison shipped with a built-in type K thermocouple, enabling a direct contact measurement alongside non-contact thermography. This is the reference method mentioned in our article on emissivity for calibrating a reading on a metal surface, and the only device here that makes it possible natively.
Specifications
Values come from manufacturer documentation unless otherwise
noted in the sources at the bottom of the page. This device has not been physically tested.
Identity
Brand
FLIR
Model
TG268
Series
TG
Release year
not published by the manufacturer
Commercial status
current
EAN code
not published by the manufacturer
Manufacturer reference
TG268
Segment
S3
Sensor and image
Native resolution, width (px)
160
Native resolution, height (px)
120
Native detector pixels
19200
Displayed resolution, width (px)
320
Displayed resolution, height (px)
240
Interpolation ratio
4.0
Interpolation method
software
Detector type
uncooled microbolometer
Detector material
not published by the manufacturer
Pixel pitch (µm)
12
Spectral band, min (µm)
7.5
Spectral band, max (µm)
14
NETD (mK)
50
NETD measurement conditions
ND (discrepancy found depending on the source, see notes)
Frame rate (Hz)
8.7
Optics
Horizontal field of view (°)
57
Vertical field of view (°)
44
Advertised IFOV (mrad)
not published by the manufacturer
Recalculated IFOV (mrad)
6.22
Minimum focus distance (m)
not published by the manufacturer
Focus
fixed
Interchangeable lenses
no
Digital zoom (×)
not published by the manufacturer
Macro lens
Availability
no
Reference
not applicable
Working distance (mm)
not applicable
Spot size (µm)
not applicable
Smallest measurable area (µm)
not applicable
Accuracy with macro (°C)
not applicable
Range max with macro (°C)
not applicable
Measurement
Range min (°C)
-25
Range max (°C)
400
Absolute accuracy (°C)
2.5
Relative accuracy (%)
2.5
Emissivity setting
not published by the manufacturer
Reflected temperature correction
not published by the manufacturer
Measurement modes
1
Simultaneous cursors
not published by the manufacturer
Full radiometry
not published by the manufacturer
Visible channel
Visible camera (MP)
not published by the manufacturer
Image fusion
overlay
LED light
yes
Laser pointer
yes
Ergonomics and ruggedness
Screen (inches)
2.4
Screen resolution
320 × 240
Touchscreen
no
Weight (g)
not published by the manufacturer
Dimensions (mm)
not published by the manufacturer
IP rating
IP54
Drop resistance (m)
2
Operating temperature, min (°C)
not published by the manufacturer
Operating temperature, max (°C)
not published by the manufacturer
Power
Power type
built-in battery
Battery system
not applicable
Battery life (h)
not published by the manufacturer
Charging connector
not published by the manufacturer
Storage and connectivity
Internal memory (GB)
4
Memory card
no
Wi-Fi
no
Bluetooth
yes
Wired interface
USB
File formats
not published by the manufacturer
Software
PC software
not published by the manufacturer
Free PC software
not published by the manufacturer
Mobile app
FLIR METERLiNK
Report generation
not published by the manufacturer
Cloud service
not published by the manufacturer
Compliance
Calibration certificate provided
not published by the manufacturer
Declared standards
not published by the manufacturer
Warranty (months)
not published by the manufacturer
Support in France
not published by the manufacturer
Observations
THE FOURTH NETD DISCREPANCY FOUND AT FLIR IN THIS COMPARISON (after the C5, the C3-X, and implicitly the TG297): FLIR's official datasheet lists a NETD under 50 mK, while at least one European distributor lists under 70 mK for the same model. Value used here: the manufacturer's own datasheet, the more authoritative source.
Advertised 6-second startup time, fast for a device in this segment.
Distribution restricted to the United States, Canada, and Puerto Rico at some distributors, a pattern already seen several times across the brand's TG range.