FLIR QL320
Quantitative Optical Gas Imaging System for GF620/GFx320/GF320
The QL320 is a quantitative optical gas imaging (QOGI) system that allows surveyors to measure the leak rates for methane and other hydrocarbons.

This eliminates the need for secondary sampling with a toxic vapor analyzer or similar tool. In addition, the QL320 does not require close contact with the gas in order to measure emission rates, making it a safer solution for quantifying difficult-to-measure gas leaks.
Built to Your Standard
FLIR is the name Leak Detection and Repair (LDAR) professionals trust for optical gas imaging, thanks to our products’ reliability, technical standards, and ergonomics for all-day use in the field.
Technical Specifications |
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Compatible cameras | FLIR GF620, FLIR GFx320, FLIR GF320 |
Display resolution | 1920 × 1080 |
Display Size | 294.6 mm (11.6 in) |
Image Modes | Single image snapshot with colorized plume and quantitative result |
Features
Below, you will find the main features of the product.
Ensures Effective Readings And Reports
The FLIR QL320 has the built-in tools needed to validate leak surveys, plus a Δ temperature screening tool to determine suitablility of background conditions. In-field reporting includes archiving of measurements, colorized video and raw data for analysis and post-processing.
Quantifies Gas With Immediate Results
With the FLIR QL320, you can determine mass leak rates (g/h, lb/h, MT/h), volumetric leak rates (cc/min, L/min, or SCFH), or concentration (ppm-m) for most hydrocarbon gases. Measure the size of fugitive emissions from safe distances, as far as 100 feet.
Streamlined In-field Results With Q-Mode
Used with a FLIR OGI camera's Q-Mode, the QL320 gathers relative information in the camera and post-processes the data for quantified results without the need to tether directly to the camera.
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