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FLIR SR Range Thermal Imaging Camera

flir sr camera

The SR-19, SR-35, SR-50 and SR-100 are economic, fixed mounted thermal imagers. The provide crisp, clear thermal imagery in total darkness, light fog or smoke. They feature the same thermal imaging technology found in many of FLIR’s most sophisticated security and surveillance systems but are packaged for users who have short-to-medium-range security and surveillance as their primary application. They include FLIR’s advanced image processing techniques which deliver excellent contrast regardless of scene dynamics.

Unlike other night vision systems that require low amounts of light to generate an image, the SR range needs to light at all.

The SR-19, SR-35, SR-50 and SR-100 provide crisp, clear thermal imaging with 320×240 pixels. This allows the user to see more detail and detect more and smaller objects. Advanced internal camera software delivers a crisp image without the need for user adjustments. They provide high-quality thermal imaging in any night or daytime environmental conditions.

The SR range is extremely rugged systems. Their vital core is well protected, meeting Mil-Std-810E and IP66 requirements, against humidity and water. A sealed lens maintains the environmental ratings of the existing enclosure. They all operate between -32ºC and + 55ºC. They have a built-in heater which enables a clear lens and perfect infra-red images to be displayed on the monitor even in extremely cold conditions.

Key Features

  • Proven long-wave thermal security camera technology
  • 36°, 14° and 7° field-of-view options
  • Network Option
  • 6-8 pound system weights
  • FLIR SR Range


  • Detects man-sized threats out to 1.3 miles
  • See in total darkness, through smoke, dust and light fog; when other cameras are at their worst, we are at our best
  • Supports Nexus™ and common Pelco network control protocols for easy installation and integration into existing networks
  • Portable and easy to field


Imaging Performance
Detector TypeFocal Plane Array (FPA), uncooled microbolometer 320×240 pixels
Spectral Range7.5 to 13um
Field of ViewSR-19: 36º (H) x 27º (V) with 19mm lens
SR-35: 20º (H) x 15º (V) with 35mm lens
SR-50: 14º (H) x 10º (V) with 50mm lens
SR-100: 7º (H) x 5º (V) with 100mm lens
Lenses are not interchangeable and must be specified at time if purchase
Spatial Resolution (IFOV)SR-19: 2.0 mrad
SR-35: 1.1 mrad
SR-50: 0.8 mrad
SR-100: 0.4 mrad
Thermal Sensitivity85mK at 25ºc
Image Frequency*7.5 Hz NTSC or 8.3 Hz PAL *
FocusSR-19: Fixed
SR-35: Fixed
SR-50: Fixed
SR-100: Manual
Electronic zoom2x
Image processingAutomatic Gain Control (AGC), Digital Detail Enhancement (DDE)
System Features
Remote ControlFocus:SR-100 only
Automatic HeaterYes
Image Presentation
Video OutputNTSC or PAL composite video
Connector TypesBNC (1) provides video output
Requirements14-32V DC or 24 V AC +/- 10%
ConsumptionSR-19: 6W nominal, 24W startup peak, at 24V DC, at 23ºC
SR-35: 6W nominal, 24W startup peak, at 24V DC, at 23ºC
SR-50: 6W nominal, 24W startup peak, at 24V DC, at 23ºC
SR-100: 8W nominal, 36W startup peak, at 24V DC, at 23ºC
Environmental Specifications
Operating Temperature Range-32ºC to 55ºC
Storage Temperature Range-50ºC to 85ºC
Physical Characteristics
Camera WeightSR-19: 2.7 Kg
SR-35: 2.7 Kg
SR-50: 2.7 Kg
SR-100: 3.6 Kg
Camera SizeSR-19: 279cm x 132cm x 142cm
SR-35: 279cm x 132cm x 142cm
SR-50: 279cm x 132cm x 142cm
SR-100: 381cm x 132mm x 142mm
Shipping Weight (camera+packaging)6.9 Kg
Shipping size (camera+packaging) (LxWxH)36cm x 51cm x 34cm
Standard PackageThermal Imager, Operator manual
*30 Hz NTSC or 25 Hz PAL available. Subject to approval of the US Department of Commerce for use outside the USA