DT-TW21 Multifunction Thermal Imager

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DT-TW21 Multifunction Thermal Imager

Model: DT-TW21

The DT-TW21 is a lightweight multifunction thermal imager that can be used handheld, head-mounted, or as an external clip-on module. Its compact body and modular mounting concept make it suitable for users who need thermal capability across different configurations.

It can operate independently or work with compatible night vision devices as a thermal fusion accessory. Multiple image modes, low weight, and fixed-focus simplicity make it useful for detection, patrol, observation, and short-range search tasks.

Technical Specifications

Model DT-TW21
Dimensions 88 x 38 x 70 mm (handheld) / 88 x 38 x 82 mm (head-mounted) / 88 x 43 x 78 mm (rail-mounted)
Weight 140 g (handheld) / 144 g (head-mounted) / 92 g (rail-mounted)
Battery Type CR123A x1 battery pack
Battery Life 3.5-4.5 h
Waterproof Rating IP67
Compatibility PVS31, PVS14, NVG18, DTS31, DTS35, DTG18, DTNH9, DTS13
Configuration Handheld / head-mounted / clip-on
Sensor Type Uncooled long-wave infrared thermal imager
Detector Resolution 384 x 288 / 640 x 480 (optional)
Thermal Focal Length 9.0 mm / 10.8 mm
Objective Aperture F1.0
Thermal Wavelength 8-12 µm
Magnification X1.2 (handheld / head-mounted) / X1.0 (rail-mounted)
Field of View 32° (rail-mounted) / 36° (handheld / head-mounted)
Objective Focus Fixed focus
Brightness Adjustable
Focus Range 250 mm to infinity
Image Modes White hot / black hot / green / red / metal / edge highlight
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