Height 181 mm
Width 117 mm
Thickness 68 mm
Weight 1 kg (with battery)
Case Metal
Power supply 12
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Portable uncooled searching infrared imager KATRAN-3B

   KATRAN-3B device is intended for creation and visualization objects thermal images in a long-focus infrared (IR) range with the capability to store video files in the internal memory of the device. The device is effective during round-the-clock search and surveillance objects of intelligence and also under conditions of strong optical interference, such as smoke, fog.
    The infrared imager's body is made of light alloy metal and has rubber inserts. KATRAN-3B has binocular with a protective hood, reducing the level of expose to light. The device provides automatic binocular display's disabling when removing it from the eyes of the observer. Imager management is carried out using four buttons located on the upper part of the body. 
Conversion frequency of image at least 25 Hz.

Main Technical Characteristics:

Characteristics of the receiver thermal radiation

Type of the receiver

Uncooled microbolometer

Format of the receiver

640х480 pix.

Minimum discernible temperature difference


Operating spectral range

8 – 14 mkm

Readiness time, up to

7 s



Focal length

60 mm

Viewing angle


Focusing range

1m... ∞


Range of operation

Detection range /recognition of man

1060/350 m


Eyepiece and built-in microdisplay

- type 
- resolution

800х600 pix.



- change between thermal image: hot-and-white (positive), hot-and-black (negative);

- manual adjustment of microdisplay backlight brightness;

- digital zoom 1x, 2x, 4x;

- saving the video AVI;

- indication of battery status or a connected external power source.



PAL, LEMOconnector


Power Supply

Self-contained supply:  
- type of source 

- supply voltage  
- power consumption

Li-ion rechargeable battery 
3,6 W 
5 W

Mains supply:  
- mains adapter

5 V

Time of continuous operation under normal climatic conditions, at least

3 h

Physical characteristics

Weight of the device with batteries

0,95 kg


181х117х68 mm

Protection class


Operation conditions

Operating temperature range



Height 181 mm
Width 117 mm
Thickness 68 mm
Weight 1 kg (with battery)
Case Metal
Power supply 12
Operation time 3 hours

Delivery set:

KATRAN-3B device
Carrying case
Li-ion rechargeable batteries - 2 pcs.
Mains adapter with cable
Universal cable
SD memory card

Please note: software upgrade can cause recorder’s breakdown. This is not a warranty case. All the new recorders have the latest software version and there is no necessity to upgrade software after buying the recorder. Don’t take the risk. In case there are problems with audio recorder operation please apply to our technical support specialist: support@ts-market.com

Software Firmware Manual to
Series manual Supplement to the model
KAIR Operation Manual Catalogue file
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