Quantitative Optical Gas Imaging System for GF620/GFx320/GF320


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The QL320 by Providence Photonics 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. Plus, the QL320 does not require close contact with the gas in order to measure emission rates, making it a safer solution for quantifying gas leaks.

  • Quantifies Gas with Immediate Results

    With the QL320, you can determine mass leak rates (g/h or lb/h) or volumetric leak rates (cc/min or L/min)for most hydrocarbon gases. Measure the size of fugitive emissions from safe distances, as far as 100 feet.

  • Ensures Effective Readings and Reports

    The 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.

  • Designed Tough for Industrial Environments

    This tablet-based system is rugged enough to use in gas fields, refineries, and other industrial settings. The dust- and water-tight touchscreen provides high contrast for easy reading in outdoor conditions.

Gas Quantified with Immediate Results

Gas Quantified with Immediate Results

The QL320 by Providence Photonics is portable, easy to use, and provides results in the field within seconds. The tablet connects quickly to FLIR GF620, GFx320, and FLIR GF320 cameras without the need for modifications. The QL320 synchronizes with multiple optics and temperature ranges, and can be used to post-process video sequences stored via Q-Mode without the need to tether the camera to the tablet.

Display Technology
Panasonic Toughpad FZ-G1
270 × 188 × 19 mm (10.6 × 7.4 × 0.75 in)
1.36 kg (3 lb)
10-point gloved multi-touch + digitizer
Connections & Communications
On-screen QWERTY keyboard, electronic waterproof stylus
MIL-STD-810G certified, IP65-certified sealed all-weather design
Imaging & Optical
Display resolution
1920 × 1200 WUXGA
Display Size
256.5 mm (10.1 in)
Compatible cameras
Measurement & Analysis
Measurement Modes
Mass leak rates (lb/h or g/h), volumetric leak rates (cc/min or L/min)
Measurement Tools
Δ temperature screening, on-screen plume color highlight, batch recording, field gas calibration
Battery type
Li-ion rechargeable battery
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