The FS4NDIR/R454B Industrial Infrared Hydrofluorocarbon (Refrigerant) Sensor employs unique light-cell-free non-dispersive infrared (NDIR) technology, housed in a durable aluminum alloy casing with digital output. This sensor boasts resistance to interference from other gases, requires no pump pipelines, and features a compact, corrosion-resistant design that’s easy to maintain and capable of withstanding harsh environments. It’s ideal for applications such as leak detection alarms, environmental monitoring, online monitoring, and gas composition analysis.
1. High Sensitivity, High Stability, High Resolution: Delivers precise and reliable measurement results.
2. Fast Response Time: Ensures immediate reaction, enhancing safety.
3. Excellent Interference Resistance with Temperature Compensation: Ensures measurement accuracy.
4. Superior Linear Output: Provides consistent and accurate data.
5. Dual Channel Design: Ensures high long-term accuracy and minimal drift, enhancing reliability.
6. Long Service Life (up to 10 years): Offers sustained reliability and stability over a long period.
7. Light-Cell-Free NDIR Technology: Simplifies the sensor structure, reducing maintenance requirements.
8. Digital Output: Facilitates easy data processing and system integration.
9. Aluminum Alloy Casing: Provides durability and excellent corrosion resistance.
10. No Pump Pipeline Requirement: Reduces installation and maintenance complexity.
11. Compact Design: Allows for easy installation in diverse devices and environments.
12. Adapts to Harsh Environments: Suitable for a variety of demanding industrial and environmental conditions.
1. Substation Inspection and Power Equipment Monitoring: Ensures the safe operation of electrical facilities.
2. Instrumentation and Gas Detectors: Ideal for high-precision gas detection and analysis.
3. Industrial Workshops and Scientific Experiment Equipment: Provides reliable environmental monitoring.
4. Gas Leak Monitoring Equipment: Detects and alarms for gas leaks.
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Performance Parameter
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Detecting Gas
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HFCs/Hydrofluorocarbon (Refrigerant)
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Detection Range
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0~100%LFL(100%LFL=11.49%Vol)
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Detection Resolution
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1%LFL
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Detection Precision
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±3.75%LFL
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Detection principle
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principle Non-dispersive Infrared Absorption Detection (NDIR)
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Response time
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T90 ≤30s
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Operating Voltage
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DC 3.6V~5.0V
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Operating current
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≤85mA (@5V supply)
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Warm-up time
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3min
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Detection Frequency
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Data update 1 time per second (default)
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Output Mode
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Default Output：Modbus
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Reserved：DAC (0.4V~2V)
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Lifetime
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10 years (in air)
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Operating Temperature
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-20°C to 60°C
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Operating Humidity
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0～95%RH (non-condensing)
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Storage Temperature
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-30℃～60℃
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Storage Humidity
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0～95%RH (non-condensing)
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Pressure range
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75Kpa~120Kpa
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Malaysia
