Description

The FNIRSI GD-02 is a portable combustible gas detector designed for fast, reliable detection of methane, propane, and isobutane in residential, commercial, and industrial environments. Equipped with a 2.0-inch full-colour TFT display, the device shows real-time gas concentration in both ppm and percentage LEL (%LEL), alongside ambient temperature and humidity readings — all refreshed every 0.5 seconds for continuous, up-to-date monitoring. With a detection range of 0 to 50,000ppm for methane and a resolution of 1ppm / 1% LEL, the GD-02 provides meaningful precision for both leak screening and hazard assessment. Its triple alarm system — audible buzzer, vibration, and visual indicator light — ensures that dangerous gas concentrations are immediately communicated to the operator, even in noisy environments.

The GD-02’s 36cm flexible probe is a standout practical feature, allowing the user to reach narrow cavities, behind appliances, within pipe chases, and into confined spaces where rigid sensors cannot access. The device supports trend curve analysis and stores up to 30 alarm records for post-inspection review. A built-in flashlight, day/night UI themes with adjustable brightness, Data Hold function, and USB Type-C firmware upgrades round out a thoughtfully designed instrument. At approximately 296g, the GD-02 is lightweight and field-ready with a sensor rated for over three years of service life.

For safety engineers, plumbers, gas technicians, and facility managers across Pakistan, the FNIRSI GD-02 addresses a genuinely critical need. In Karachi’s densely built residential areas and industrial zones where SSGC gas piping is prevalent, rapid and accurate gas leak detection is a matter of safety. Whether used for routine inspection of kitchen connections, post-installation checks on LPG systems, or industrial pipeline surveys, the GD-02 provides professional-grade detection capability in a portable, affordable package.

Why Choose the FNIRSI GD-02?

Pakistan’s plumbers, gas technicians, building maintenance teams, and safety inspectors operate in environments where undetected gas leaks carry serious risk. The FNIRSI GD-02’s under-5-second response time and flexible 36cm probe make it practical for checking gas connections behind stoves, water heaters, and boilers — common points of leakage in both residential and commercial kitchens across Karachi. Its ability to detect methane (the primary component of natural gas supplied by SSGC) as well as propane and isobutane (used in LPG cylinders widely sold across Pakistan) means a single device covers the full range of combustible gases in everyday use. The on-screen trend curve and 30-record alarm log add professional documentation capability that basic budget detectors simply do not offer.

FEATURES

• 2.0-inch full-colour TFT display shows real-time gas concentration, ambient temperature, and humidity simultaneously, with a 0.5-second refresh rate for continuous monitoring.
• Detects methane, propane, and isobutane across a measurement range of 0 to 50,000ppm (methane) and 0 to 100% LEL, with a resolution of 1ppm / 1% LEL.
• Triple alarm system comprising audible buzzer, vibration motor, and visual indicator light activates upon detecting gas concentrations above the threshold, ensuring the operator is alerted under any conditions.
• Alarm record storage retains up to 30 alarm events for post-inspection review and documentation.
• 36cm flexible probe allows detection in confined spaces, narrow cavities, behind appliances, and within pipework that cannot be accessed by rigid-body sensors.
• Fast response time of under 5 seconds (T90) and recovery time of under 10 seconds (T10) enables rapid sequential scanning across multiple inspection points.
• Trend curve analysis and data recording provide visual monitoring of gas concentration over time, supporting more thorough inspection workflows.
• Adjustable screen brightness with switchable day and night UI themes ensures readability in all lighting conditions.
• Built-in flashlight aids inspection in dark or poorly lit spaces such as under-sink cabinets, plant rooms, and utility areas.
• Data Hold function freezes the current reading on screen for recording without maintaining probe contact.
• Sensor rated for over three years of service life with strong resistance to electromagnetic interference and operation down to -10°C.
• USB Type-C firmware upgrade support allows performance improvements and updates to be applied throughout the product’s service life.
• Warm-up time of approximately 15 to 16 seconds from power-on before the sensor is ready for reliable readings.

SPECIFICATIONS

• Model: GD-02
• Display: 2.0-inch full-colour TFT screen
• Detectable gases: Methane, Propane, Isobutane
• Measurement range: 0 to 50,000ppm (Methane); 0 to 100% LEL
• Resolution: 1ppm / 1% LEL
• Warm-up time: Approximately 15 to 16 seconds
• Response time (T90): Less than 5 seconds
• Recovery time (T10): Less than 10 seconds
• Sampling interval: Approximately 0.5 seconds
• Sensor service life: Over 3 years
• Operating temperature: -10°C to 55°C
• Probe length: 36cm (flexible)
• Dimensions: Approximately 63 × 28 × 139mm (body) + 360mm (probe)
• Weight: Approximately 296g
• Alarm types: Audible buzzer, vibration, visual indicator light
• Alarm record storage: Up to 30 records
• Charging port: USB Type-C
• Firmware upgradeable: Supported
• Languages: Simplified Chinese / English
• Warranty: 2 years (direct purchase via fnirsi.com); 30-day return and refund guarantee
• Includes: GD-02 unit, Type-C charging cable, storage case, user manual, packaging box