Fixed SF6 Gas Detector NDIR 316L Stainless Steel Sensor
Model：HNAG1000
Detection：Sulfur hexafluoride (SF6)
Detection Principle：Infrared NDIR
Detection Range：0-1000ppm, 3000ppm, 5000ppm (Optional)
Product Description
High-Performance NDIR Fixed SF6 Gas Detector for Industrial Safety
The Skyeaglee HNAG1000 series represents the pinnacle of gas detection engineering. Sulfur Hexafluoride (SF6) is an indispensable electrical insulating medium, yet its environmental impact and toxicity risks necessitate precise, real-time monitoring. Our HNAG1000 utilizes advanced NDIR (Non-Dispersive Infrared) technology, which provides superior selectivity and measurement sensitivity compared to traditional catalytic or electrochemical sensors. By leveraging an industrial-grade 316L stainless steel enclosure, this detector is built to withstand the most challenging operational environments, offering unparalleled durability and resistance against corrosion, moisture, and high-intensity electromagnetic interference.
Engineered for Precision: Components and Core Technology
Reliability is our foundation. The HNAG1000 is not just a sensor; it is a high-precision instrumentation system. Each unit is powered by imported, high-stability chips that provide real-time temperature and humidity compensation, ensuring accuracy even in fluctuating environmental conditions.
• Robust Shell Construction: The 316L stainless steel body ensures structural integrity under high pressure and provides an IP66 explosion-proof rating, suitable for hazardous zones classified as Ex d IIC T6.
• Integrated Protection: Equipped with a precision-engineered filter gasket, the system effectively blocks dust, moisture, and particulate matter, ensuring the long-term cleanliness of the internal optical chamber and maintaining peak sensor sensitivity.
User-Centric Design: Interface and Remote Operational Control
We understand that safety protocols often require operators to interact with equipment in dangerous or restricted zones. The HNAG1000 simplifies this with a user-focused interface.
• 2.5-Inch High-Definition TFT Display: Real-time monitoring of gas concentration, ambient temperature, and humidity, provided in a crystal-clear, high-contrast format.
• Non-Intrusive Infrared Remote Control: Operational safety is our priority. Users can perform zero-point adjustments, full-range calibration, and alarm threshold configuration using an infrared remote, eliminating the need to physically open the housing in hazardous areas. This ensures the explosion-proof integrity is never compromised during routine maintenance.
Flexible Signal Transmission and System Integration
The HNAG1000 acts as a versatile node within your broader industrial control ecosystem. It is compatible with a wide array of secondary instrumentation, PLC, DCS, and DDC systems.
• Wired Reliability: Simultaneous output of standard 4-20mA current signals and RS485 digital signals (Modbus RTU) allows for stable data transmission over distances exceeding 1000 meters.
• IoT & Wireless Capabilities: For modern, distributed facilities, the HNAG1000 supports external modular upgrades including 4G/5G, WIFI, LORA, and ZigBee modules. This connectivity enables remote monitoring through cloud platforms, allowing for real-time historical record analysis via computers or mobile devices without distance constraints.
Strategic Installation for Optimal Coverage
Strategic placement is fundamental to the performance of any gas detection system. SF6 is a heavy gas, prone to settling in low-lying areas.
• Proactive Detection: Probes should be installed within one meter of potential leak sources—such as gas joints, pipe fittings, or switchgear cabinets—to ensure rapid response times.
• Effective Height: Mounting the probe at a height greater than 30 cm but within 100 cm of the floor ensures the detector captures gas accumulation before it disperses, maximizing safety for personnel.
• Protection for Durability: While the unit is designed for durability, we recommend the use of an additional rain shield in outdoor installations to protect the sensor probe from environmental stressors like heavy rain or direct debris impact.
Frequently Asked Questions (FAQ)
Q: Why is NDIR technology superior to electrochemical sensors for SF6?
A: NDIR infrared sensors offer significantly higher selectivity and a longer service life (3-5 years). They are not affected by "poisoning" from background gases, ensuring reliable, drift-free measurements over the long term.
Q: Can this detector manage high-power equipment?
A: Yes. The device features an integrated relay. It can directly drive solenoid valves, ventilation fans, and localized alarms. For higher-power equipment, it can be used in tandem with intermediate relays.
Q: Is the installation of the wiring complicated?
A: It is straightforward. We recommend using a three-core shielded soft cable (≥1.5mm²) to minimize electrical noise. Our design includes clear, labelled terminal blocks on the internal circuit board for simple and secure wiring.
Q: What happens during a power failure?
A: The detector is designed for integration into standard industrial 24VDC power systems. For critical applications, we recommend coupling the detector with a redundant power supply or UPS, ensuring continuous monitoring even during grid instability.
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