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GF.721 EX Gas Detection Thermal Imager
More about the GF.721

  • Cooled detector, 320 × 256, precise imaging

  • With passive infrared imaging technology, electrical equipment can be detected remotely without power failure

  • Ordinary and multi-level high-sensitivity detection modes can detect small gas leakages and infrared temperature measurements

  • Ex IC nC op is IIC T4 Gc explosion-proof certification and can be used in all kinds of explosive gas occasions

  • Dozens of volatile organic compounds (VOCs) including methane, ethane, propane

Key Features

  • Cooling detector, 320×256, clear imaging

  • Passive infrared imaging technology allows detection of electrical equipment from a distance (≥ 80m) without contact or power outage

  • Normal and multi-level high-sensitivity detection modes detect small gas leaks and measure infrared temperature

  • High-resolution 5" color digital touch screen with OLED viewfinder for flexible on-site observation

  • Ex ic nC op is IIC T4 Gc explosion-proof certification, suitable for various explosive gas environments

  • Detects dozens of VOCs including methane, ethane, propane, butane, pentane, and hexane

  • Super long battery life — over 4 hours of continuous operation

Standard Accessories

  • GF.721 infrared gas detection thermal imager

  • Shoulder strap

  • Safety box

  • Lens cap

  • Li-on battery (2 pcs)

  • Charger

  • Video output cable

  • Power adapter

  • SD card

  • SD card reader

  • User manual

  • Network cable (Mini-USB to RJ45)

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Technical Specifications

detector performance

  • Detector type: cooled quantum well detector

  • Pixel: 320×256

image performance

  • Angle of view / minimum focal length: 14.5°×10.8° / 0.5m

  • Spatial resolution: 0.79 mrad

  • Thermal sensitivity: ≤0.015℃ @30℃

  • Gas detection sensitivity: 0.4 gr/hr for CH₄ at 2m

  • Frame rate: 60Hz

  • Focus: auto / electric / manual

  • Wavelength range: 3.2～3.5 µm

  • Built-in visible light camera: 5MP CMOS with LED

image display

  • Viewfinder: high definition 0.6" color OLED with amplification

  • LCD screen: high-resolution 5" color digital touch screen

temperature measurement

  • Range: -40℃～+500℃

  • Precision: ±2℃ or ±2% of reading (whichever is greater)

  • Temperature correction: auto / manual

  • Background temperature correction: automatic, based on input

  • Atmospheric transmittance correction: automatic, based on target distance, relative humidity, and ambient temperature

image storage

  • Memory card: 32GB SD card, expandable

  • Storage mode: manual / auto single-frame image, continuous visible + IR video

  • Infrared image format: JPEG (14-bit measurement data), MPEG-4

  • Visible image format: JPEG, MPEG-4

  • Voice annotation: 60-sec built-in microphone recording

  • Text annotation: supported

auxiliary functions

  • Laser designator: secondary, 1mW / 635nm red

  • GPS: supported

  • Fill light: supported

  • Buzzer: supported

power supply system

  • Power-on time: <7 minutes

  • Battery type: rechargeable lithium battery

  • Operating time: 4 hours continuous

  • Charging: smart charger or power adapter (local charging)

environmental parameters

  • Operating temperature: -20℃～+50℃

  • Humidity: ≤90% (non-condensing)

  • Protection: IP54

  • Explosion-proof grade: Ex ic nC op is IIC T4 Gc

interface

  • Video output: supported

  • WiFi: supported

  • Bluetooth: supported

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