GT3251 Infrared Thermal Imager

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Quantity orders will require 2 -3 week lead time.

This infrared thermal imager uses thermal imaging technology to measure temperature and observe heat distribution on the surface of natural objects.

It is designed to perform real-time detection under high-voltage, high-current, and high-speed state to find potential problems and prevent failures. This "non-contact" modern detection technology is safe, fast and reliable.

Main Features:

  • Infrared temperature measurement, fast, safe and reliable
  • Display temperature value, maximum value and minimum value of center point of temperature measurement area
  • USB charging
  • Adjustable color palette
  • Data storage
  • Automatic shutdown
  • Multiple language options
  • Selection of temperature units: ℃/℉
  • Flashlight: highlight LED
  • Camera


Model GT3251
General Description Infrared Thermal Imager
Communications Protocol Infrared
Accuracy 0-400°C (23°F - 752°F): +/-1.8°C (+/-3.2°F)
Resolution 32 x 32
Emissivity Preset 0.95. 0.1-0.99 adjustable
Air Temp: Range -20°C - 400°C (-4°F - 752°F)
Dimensions 202.0 x 64.3 x 77.6mm
Visible Light Camera 2 million pixels
Colour Palette Iron red, color, black and white
Wavelength Range 8-14μm
Field of View (FOV) 33°horizontal
Instantaneous Field of View 18mrad
Thermal Imaging Sensitivity 150mk
Frame Rate ≤9Hz
Saved Image Format Bitmap (BMP) image
Display Type 2.4" TFT LCD
Display Resolution 320 x 240 pixels
Storage Card 8GB mini TF card (included)
Language English, French, German, Russian, Spanish, Chinese
Automatic Shutdown 3 mins no operation
Working Temperature -10°C - 45°C (14°F - 113°F)
Weight 254g (including batteries)
Power Consumption Continuous usage time of batteries: ≥4hours
Power Supply 3.7V/2600mAh rechargeable batteries
Display Modes: Thermal imaging, thermal mixing, digital camera, edge detection line