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Teledyne FLIR

FLIR IR Lens LR

7 - 8.5µm Spectral Range, 25° Lens

The FLIR IR Lens LR has a 25° lens and offers users a spectral range of 7 - 8.5µm. This device can detect a variety of gases including Propane, CH4, N2O, SO2, R-134a, and R-152a. Additionally, it provides an infrared resolution of 320 x 240 (76,800 pixels) and a thermal sensitivity (NETD) of <25mK at 30°C.

Product Info
Primary gases detected Methane, nitrous oxide, propane, sulfur dioxide, R-134a and R-152a
Lens spectral range 7 - 8.5μm
Gas sensitivity (NECL) CH4: <100ppm x m
N2O: <75ppm x m
C3H8: <400ppm x m
SO2: <30ppm x m
R-134a: <20ppm x m
R-152a: <100ppm x m
Infrared resolution 320 x 240 (76,800 pixels)
Thermal sensitivity (NETD) <25mK at 30°C (86°F)
UltraMax® (super-resolution) Yes
Field of view (FOV) 25° x 19°
Focal length 18mm (0.71in.)
f/number 1.04
Focus modes Continuous LDM, One-shot LDM, One-shot contrast, Manual
Minimum focus distance 0.3m (0.98ft)
Minimum focus distance with MSX® 0.65m (2.1ft)
Spatial resolution (IFOV) 1.4mrad/pixel
Lens identification Automatic
Digital zoom 1 - 6x continuous
Detector type and pitch Uncooled microbolometer
  • Visualize CH4, SF6, NH3, and C2H4 in different wavelengths
  • Inspect critical components using the built-in thermal imager
  • Scan for emissions from a safe distance and track them to the source to begin repairs immediately
  • Take accurate temperature measurements in all environments from -20°C - 500°C with ±3°C or 3% temperature accuracy.
  • Switch to viewfinder in bright, sunlight conditions to ensure optimal viewing
  • Improve gas-detection contrast with 1-Touch Level/Span auto-adjustment feature
  • Increase leak detectability by activating FLIR patented High Sensitivity Mode (HSM)
  • Precisely resolve target area with laser-assisted autofocus
  • Use data from the built-in area measurement tool to calculate tank level and volume
  • Automatically tag each image file with GPS geolocation data for easy identification
  • Connect instantly over Wi-Fi to mobile devices for data transfer and reporting


SKU: FLIR-GF77-LR