Categories > Environmental Monitoring > Optical Gas Imaging Cameras (OGI)

FLIR G304 Optical Gas Imager

OGI Camera | 24° lens, 320 × 240 (76,800 pixels)

The FLIR G304 is a handheld optical gas imaging (OGI) camera that detects hydrofluorocarbons (HFCs), refrigerants, and other industrial gases using a cooled 320 × 240 QWIP detector operating in the 8.0–8.6 µm spectral range. It supports FLIR High‑Sensitivity Mode (HSM) for real‑time gas visualization, 1×–8× digital zoom, and temperature measurement from –20 °C to 250 °C. The G304 includes a 4‑inch rotating touchscreen, GPS, Wi‑Fi, and Bluetooth connectivity, radiometric IR video recording, and integrates with FLIR Ignite™ for cloud‑based reporting and data management.

Product Info Related Products

Spectral Range	8.0 – 8.6 µm
Detector Type	Cooled QWIP focal plane array (FPA)
IR Resolution	320 × 240 pixels
Thermal Sensitivity (NETD)	15 mK @ 30 °C
Gas Visualization Mode	FLIR High-Sensitivity Mode (HSM)
Available Lenses / FOV	23 mm (24° × 18°), 38 mm (14.5° × 10.8°)
F-Number	f/1.59
Focus	Autofocus, manual focus
Temperature Measurement Range	–20 °C ... +250 °C
Measurement Accuracy	±1 °C or ±2% of reading
Display	4-inch rotating touchscreen, 640 × 480
Viewfinder	Tiltable OLED, 800 × 480
Digital Zoom	1× – 8× continuous
Laser Pointer	Class 2
Radiometric Video	Yes (RTRR / .csq)
Non-Radiometric Video	H.264
Image Format	JPEG with measurement data
GPS / Compass	Yes / Yes
Connectivity	Wi‑Fi, Bluetooth®, USB 2.0, HDMI
Cloud Integration	FLIR Ignite™
Storage Media	Removable SD card
Battery Type	Rechargeable Li-ion, 7.4 V
Battery Runtime	> 2.5 hours (typical use)
Ingress Protection	IP54
Operating Temperature	–20 °C ... +50 °C
Weight	3 kg (6.18 lb)
Dimensions (L × W × H)	251.6 × 164.5 × 170.9 mm

Uses FLIR High‑Sensitivity Mode (HSM) to improve visibility of gas plumes
Supports rapid scanning of large areas to identify leaks without interfering with operations
10.16 cm (4 in) LCD touchscreen, which allows you view targets from any direction