HTI HT-A3 vs HTI HT-A4

Compare specifications between the HTI HT-A3 and the HTI HT-A4 thermal cameras.

Learn how to quickly create your own comparison here.

	HTI HT-A3	HTI HT-A4
General
Lens	25 mm	24 mm
Optical zoom	-	4 x
Digital zoom	4 x	4 x
Horizontal FOV	14.9 °	14.9 °
Vertical FOV	11.2 °	11.2 °
Thermal type	Uncooled	Uncooled
Hor. Sensor Resolution	384 pixels	384 pixels
Vert. Sensor Resolution	288 pixels	288 pixels
Pixel pitch	17 µm	17 µm
Sensitivity	50 mK	50 mK
Spectral Range min.	8 µm	8 µm
Spectral Range max.	14 µm	14 µm
Hor. Display Resolution	1024 pixels	1024 pixels
Vert. Display Resolution	768 pixels	768 pixels
Refresh rate	50 Hz	50 Hz
Image polarity	White hot, black hot, iron red, rainbow	White hot, black hot, iron red, rainbow
Output screen color	Full color	Full color
Startup time	3 seconds	3 seconds
Size & weight
Length	186 mm	187 mm
Width	69 mm	69 mm
Height	68 mm	68 mm
Weight	440 g	440 g
Battery
Type	Lithium-ion	Lithium-ion
Number of batteries	1	1
Battery life	6 hours	6 hours
Replaceable
Appliances
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Thermography
Durability
Dustproof
Shockproof
Waterproof
Submersible
Storage temp. min	-20 °C	-20 °C
Storage temp. max	60 °C	60 °C
Environmental rating	IP66	IP66

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