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| | | E Nitrogen Dioxide High Concentration | | |
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| | | PATENT PENDING | | |
| | | Figure 1 NO2-AE Schematic Diagram 010 | | |
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| | | All dimensions in millimetres (± 0.1mm) Bottom View | | |
| | | Side View | | |
| | | Top View | | |
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| | | Table 1 NO2-AE Specification | | |
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| | | | | | | | | | | | PERFORMANCE | Sensitivity | nA/ppm @ 22°C, 10ppm NO 2, (33 Q Load Resistor) | - 300 to - 400 | | | | | Response time | tgo (s) from zero to 10ppm NO2 (33Q Load Resistor) | < 40 | | | | | Zero current | ppm equivalent in zero air, 22C | < ± 0.3 | | | | | Resolution | RMS noise in zero air at 22°C (ppm equivalent) (33 Q) | < 0.1 | | | | | Range | ppm limit of performance warranty | 200 | | | | | Linearity | ppm error at 200 ppm, linear at 30 and 100 ppm NO2 | < + 2 to + 11 | | | | | Overgas range | maximum ppm for stable response to 10 minute gas pulse | > 1,000 | | | | LIFETIME | Zero drift | ppm equivalent change/month in lab air | nd | | | | | Sensitivity drift | % change/month in lab air, twice monthly gassing | < 2 | | | | | Operating life | months until 80% original signal (12 month warranted) | < 24 | | | | ENVIRONMENTAL | Sensitivity @ -20C % (output @ -20C / output @ 20C) @ 10ppm NO2 | nd | | | | | Sensitivity @ 40C | % (output @ 40C / output @ 20°C) @ 10ppm NO2 | nd | | | | | Zero @ -20C | ppm equivalent | nd | | | | | Zero @ 40C | ppm equivalent | nd | | | | CROSS | CO sensivity | % measured gas @ 400ppm CO | < - 0.1 | | | | SENSITIVITY | NO sensivity | % measured gas @ 50ppm NO | nd | | | | | SO2 sensitivity | % measured gas @ 20ppm SO2 | nd | | | | | Cl2 sensitivity | % measured gas @ 5ppm Cl2 | nd | | | | | H2 sensitivity | % measured gas @ 400ppm H2 | < - 0.1 | | | | | H2S sensitivity | % measured gas @ 20ppm H2S | nd | | | | PHYSICAL | Diameter | mm (including label) (± 0.1mm) | 20.2 | | | | DIMENSIONS | Height | mm (excluding O-ring) (± 0.1mm) | 16.5 | | | | | Weight | g | < 6 | | | | KEY | Temperature range | C | -20 to 50 | | | | SPECIFICATIONS | Pressure range | kPa | 80 to 120 | | | | | Humidity range | %rh continuous (5 to 95% rh short term) | 15 to 90 | | | | | Storage period | months @ 3 to 20C (store in sealed pot) | 6 | | | | | Load resistor | ohm (for optimum performance) | 33 | | | | | | | | | | | |
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| | | Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UK Telephone: +44 (0) 1376 556 700 Fax: +44 (0) 1376 335 899 E-mail: sensors@alphasense.com Website: www.alphasense.com | | |
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