Fixed CFC Gas Preprocessing Online Monitoring System
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Model: HNAG1000-CFC
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Detection: CFC
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Detection Principle: Catalytic Combustion, NDIR Infrared
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Detection range: 0-100%LEL, 0-10000/0-40000ppm
Product Description
High-Precision CFC Preprocessing Online Monitoring System
The HNAG1000-CFC Preprocessing Online Monitoring System is engineered for the real-time and accurate detection of Chlorofluorocarbon (CFC) gas concentrations and leakages across demanding environments. Utilizing imported catalytic combustion and NDIR infrared sensors integrated with advanced microcontroller technology, this system delivers exceptionally fast response speeds (T90 < 10s), high measurement accuracy, and outstanding repeatability. The explosion-proof wiring method makes it suitable for hazardous locations, ensuring seamless compatibility with various control alarms, PLCs, and DCS systems.
Robust Stainless Steel Design & Gas Sampling Mechanism
Encased in a highly durable stainless steel enclosure, this monitoring system relies on a meticulously designed gas sampling process. The sampled CFC gas first passes through a high-efficiency filter to thoroughly remove dust and impurities. A dedicated sampling pump then directs the gas to a flowmeter, which strictly controls the flow rate between 0.3 and 0.5 L/Min. This regulated pretreatment guarantees that the internal sensors operate under optimal conditions before the gas is safely exhausted.
Technical Specifications of CFC Monitor
| Parameter | Technical Specification |
| Monitored Gas |
CFC |
| Detection Principle |
Catalytic Combustion, NDIR Infrared |
| Measurement Ranges |
0-100%LEL, 0-10000/0-40000ppm |
| Resolution |
1%LEL, 1ppm, 10ppm |
| Sampling Accuracy |
±3% F.S. |
| Response Time |
T90 < 10s |
| Output Signals |
4-20mA (1Km distance), RS485 (MODBUS RTU, 1Km), Passive contact relays (220VAC 3A / 24VDC 3A) |
| Optional Signals |
Voltage (0.4-2V, 0-5V, 0-10V), Wireless (GPRS, 4G, WIFI, LORA, ZigBee) |
| Operating Environment |
Temperature: -20 ～ 50℃; Humidity: 0-95%RH |
| Sampling Distance |
Up to 80 meters (Recommended within 20 meters) |
| Power Supply |
220V AC |
Industrial Applications & Flange Installation
This CFC monitoring system is widely deployed in critical industrial sectors, including petroleum and petrochemical facilities, chemical plants, thermal power plants, pharmaceutical production workshops, and environmental monitoring stations. The system supports standard pipeline flange installations and wall-mounted setups, providing reliable safety monitoring for underground gas pipelines and hazardous material site safety protection.
Customized Gas Pretreatment Configurations
To accommodate extreme industrial environments, multiple tailored internal configurations are available:
1.Normal to Medium Temperatures: Systems equipped with electronic condensation units and timed peristaltic drainage pumps for high-moisture environments.
2.High-Temperature & Dusty Flue Gases (400-800°C): Configurations featuring vortex cooling coils, dual filtration, and automatic time-relay reverse-purging valves to prevent sampling line clogging.
3.High Explosion-Proof Requirements: Systems built with stainless steel pipelines and pneumatic pumps driven by plant compressed air to ensure maximum safety.
Frequently Asked Questions (FAQ)
Q: What is the typical lifespan of the CFC sensors and consumables?
A: The CFC sensors are consumable components with an approximate service life of 1 to 3 years, depending directly on the detection environment and exposure levels. The internal filter requires replacement when its internal chip changes color, which typically occurs every 3 months. The sampling air pump has an operational lifespan of about one year.
Q: Does the filter require manual maintenance?
A: Yes. In standard configurations, when the instrument is operating in conditions between -20°C to 60°C, the water produced and trapped by the filter needs to be manually drained.
Q: How does the system handle multi-level alarms?
A: Standard units are configured with two-level threshold alarms, with an optional three-level alarm setup. These trigger on-site sound and light alarms, external alarm devices, remote controllers, and automated event notifications in connected computer data acquisition software.
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