HTI HT-A4 product image

HTI HT-A4

The HT-A4 is a thermal monocular made by HTI and is part of the HT-A series.

Details

The HT-A4 comes equipped with a clear 24mm lens to capture thermal signatures. The FOV on this thermal monocular measures 14.9 x 11.2 degrees. It comes with a 4x digital zoom to get additional details.

Inside the housing of the HT-A4 you'll find the (uncooled, 17µm) 384 by 288 pixel thermal sensor with a refresh rate of 50Hz. The NETD of this thermal monocular is <50mK and it's operating between the 8µm - 14µm infrared wavelengths.

The measurements of this thermal monocular are 187 x 69 x 68mm (l/w/h) and weighs 440g. This device is rated IP66. It's protected against dust, shocks and water (splashes).

The HT-A4 is built for surveillance, hunting trips, law enforcement (police, border patrol etc.) and SAR (Search and Rescue) operations.

Features

  • Available with 3 lens options; 19mm, 25mm (default), 35mm
  • Long battery life (Up to 6 hours)
  • 50Hz refresh rate
  • Video-out to external screen (Optional)
  • On-board picture storage
Lens24 mm
Optical zoom4 x
Digital zoom4 x
FOV (h/v)14.9 ° / 11.2 °
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch17 µm
Sensitivity50 mK
Spectral range8 µm / 14 µm
Display resolution (h/v)1024 pixels / 768 pixels
Refresh rate50 Hz
Image polarityWhite hot, black hot, iron red, rainbow
Output screen colorFull color
Startup time3 seconds
Dimensions (l/w/h)187 mm / 69 mm / 68 mm
Weight440 g
TypeLithium-ion
Number of batteries1
Battery life6 hours
Replaceable
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Thermography
Dustproof
Shockproof
Waterproof
Submersible
Storage temperature-20 °C / 60 °C
Environmental ratingIP66

Part of HT-A series