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DNIR Refrigerant A2L R454B Gas Sensor, 0-100%LFL

Original price was: £190.24.Current price is: £47.56.

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SKU: ATO-GS-R454B Category:

Description

This industrial-grade infrared gas sensor leverages advanced NDIR (Non-Dispersive Infrared) technology for the specific detection of R454B refrigerant gas. It offers a robust and maintenance-free solution for monitoring A2L refrigerants, characterized by high precision, stability, and resilience in challenging environments. The sensor’s compact and pump-free design simplifies integration, while its dual-channel measurement and temperature compensation ensure reliable performance.

Specification

Model ATO-FS4NDIR/R454B
Detection Gas R454B (Hydrofluoroolefin)
Detection Principle Non-Dispersive Infrared (NDIR)
Detection Range 0 – 100% LFL (100% LFL = 11.49% Vol)
Resolution 1% LFL
Accuracy ±3.75% LFL
Response Time (T90) ≤ 30 seconds
Power Supply DC 3.6 V ~ 5.0 V
Operating Current ≤ 85 mA (@ 5V)
Output Interface Modbus (Default) / DAC (0.4V~2V, reserved)
Operating Temperature -20 ℃ ~ +60 ℃
Operating Humidity 0 ~ 95% RH (Non-condensing)
Lifespan 10 years

Feature

  • The NDIR refrigerant R454B gas sensor utilizes the proven NDIR principle for specific and stable gas detection.
  • This refrigerant sensor features a compact, pump-free design requiring no internal tubing, simplifying installation.
  • With its dual-channel design, the R454B gas sensor delivers high accuracy and excellent linear output with minimal drift.
  • The best NDIR sensor boasts strong resistance to water vapor interference and gas poisoning, ensuring long-term reliability.
  • Designed for durability, this gas sensor detector incorporates temperature compensation and offers a long operational lifespan.

Dimension (Unit: mm)

Working Principle

Application

5 Tips for DNIR Refrigerant A2L R454B Gas Sensor

  • Ensure the gas detector sensor is installed in a location representative of the potential leak source and where air circulation is adequate for detection.
  • The specified accuracy is valid within the standard pressure range of 75 kPa to 120 kPa; significant pressure deviations may affect readings.
  • While highly resistant, avoid prolonged exposure to condensing humidity or direct water spray to maintain the good gas sensor integrity.
  • For optimal performance and longevity, adhere to the specified operating voltage and temperature ranges.
  • Regular functional checks are recommended to verify sensor performance, especially before critical operations.

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