SPI Guardian T384-75-M



Detector type: 17μm Uncooled Microbolometer
Refresh rate: 50Hz
Resolution: 384 x 288
FOV: 5.0° x 3.7° (H x V)


  • Lens Cloth
  • Soft Carrying Case
  • User Manual


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Thermal imaging monocular optics military grade


The SPI Guardian represents the most technologically advanced thermal imaging monocular product line currently existing on the market.
The aircraft aluminum and magnesium alloy along with the highquality optics make the unit lightweight, but at the same time tough and durable.
This uncooled, long-wave infrared, magnified thermal imaging camera by SPI is designed for fulfilling both, day and night missions, irrespective of the environment and weather factors.
A variety of objective lenses (25 mm, 50 mm, 75 mm) enable the operator to use the device as both a compact, pocket-sized thermal imaging monocular, or as a long-range observation tool. The Protector thermal imaging monocular can be easily connected to an extended battery pack (5V), increasing operational time. Optional Wi-Fi module for live video streaming and recording is also available.

  • Lightweight and compact design
  • Superior clarity, versatility and reliability
  • Easy to operate control panel
  • High resolution display
  • 2x and 4x digital zoom
  • Picture in Picture mode with 2x digital zoom
  • Automatic or manual (silent) calibration
  • Stadiametric rangefinder
  • Powered by two standard CR123A batteries
  • External power supply via micro-USB
  • Optional external Wi-Fi module and video recorder
  • Integral MIL-STD-1913 rail on unit for optional accessories
  • Tripod mountable


Detector type 17μm Uncooled Microbolometer
Refresh rate 50Hz
Resolution 384 x 288
Lens system 75 mm; F/1.0
Optical magnification 3.75×
Field of view (H × X) 5.0° x 3.7° (H x V)
Digital zoom 1×, 2×, 4×
Diopter adjustment range -5 to +5 dpt
Focusing range 10 m to infinity
Display HD Display 1024×768
Video/Photo Format AVI / JPG
Temperature imaging palettes 11 Image palettes
Interfacing S620 Connector (Power In, Analog Video In/Out, Digital Video Recorder); Micro-USB (External Battery Pack)
Battery Type Two CR123A 3V Lithium Batteries
Battery Life (Operating) Up to 5 hr
Power supply 5V USB / 3.6~7.2V
Operating Temperature Range -40°C to +70°C (-40°F to +158°F)
Degree of Protection IP67
Weight 0.69 kg (1.5 lbs)
Overall Dimensions 250 x 93 x 93 mm (9.8 x 3.7 x 3.7 in)
Package Inludes Thermal Imaging Monocular, Lens Cloth, Soft Carrying Case, User Manual