By Sabine Lobnig, May 11, 2010, 15:38 • 1 minute reading
Swedish manufacturer of gas detection products for the refrigeration industry Samon AB has developed a manual providing an overview of when, how and why gas detection of refrigerant gases such as ammonia is required.
Pre-alarm | 50-300 ppm |
Leakage alarm | 500-1000 ppm |
Main alarm | > 3000 ppm |
Methodology | Advantages | Disadvantages |
Semiconductors | Stable zero point | Limited range |
Electrochemical | Selectivity Medium purchase price |
Short life (18-48 months) Short calibration interval Limited range High maintenance cost |
Catalytic | Low purchase price | Short calibration interval |
Infrared technology | High selectivity | High maintenance costs |
May 11, 2010, 15:38
May 11, 2010, 15:38
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