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Help CenterNO2-B43F Nitrogen Dioxide Sensor 4-Electrode
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NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) Description
Alphasense Nitrogen Dioxide gas sensors operate using proven fuel cell technology.
Sensors are available in the following sizes:
A: 20mm diameter, the industry standard size for portable gas detectors
B: 32mm diameter package, the best choice for fixed site applications
D: miniature, with proven long-term performance. Sensors for the next generation of portable gas detectors
The NO2 range provides OEMs with reliable sensors for use in a number of high volume applications. Strong signal levels combined with low zero current allows resolution to 50 parts per billion (ppb) and an operating range to 20ppm. The sensors are suitable for use in fixed installation sensing heads, portable safety instruments, urban air monitoring and stack gas analysers.
The NO2 sensors offer our electrolyte leak-free guarantee and reliable long-term detection performance. The leakproof housing is moulded with a colour coded top for ease of identification.
| NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) PERFORMANCE | ||
| Sensitivity | nA/ppm at 2ppm NO2 | -175 to -450 |
| Response time | t90 (s) from zero to 2ppm NO2 | |
| Zero current | nA in zero air at 20℃ | -50 to +70 |
| Noise* | ±2 standard deviations (ppb equivalent) | 15 |
| Range | ppm NO 2 limit of performance warranty | 20 |
| Linearity | ppb error at full scale, linear at zero and 5ppm NO2 | |
| Overgas limit | maximum ppm for stable response to gas pulse | 50 |
| * Tested with Alphasense ISB low noise circuit | ||
| NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) LIFETIME | ||
| Zero drift | ppb equivalent change/year in lab air | 0 to 20 |
| Sensitivity drift | % change/year in lab air, monthly test | -20 to -40 |
| Operating life | months until 50% original signal (24 month warranted) | > 24 |
| NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) ENVIRONMENTAL | ||
| Sensitivity @ -20℃ | (% output @ -20℃/output @ 20℃) @ 2ppm NO2 | 60 to 80 |
| Sensitivity @ 40℃ | (% output @ 40℃/output @ 20℃) @ 2ppm NO2 | 95 to 115 |
| Zero @ -20℃ | nA | 0 to 25 |
| Zero @ 40℃ | nA | -10 to 50 |
| NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) CROSS SENSITIVITY | ||
| O3 | Filter capacity (ppm.hr) @ 2ppm O3 | > 500 |
| H2S | sensitivity % measured gas @ 5ppm H2S | |
| NO | sensitivity % measured gas @ 5ppm NO | |
| Cl2 | sensitivity % measured gas @ 5ppm Cl2 | |
| SO2 | sensitivity % measured gas @ 5ppm SO2 | |
| CO | sensitivity % measured gas @ 5ppm CO | |
| H2 | sensitivity % measured gas @ 100ppm H2 | |
| C2H4 | sensitivity % measured gas @ 100ppm C2H4 | |
| NH3 | sensitivity % measured gas @ 20ppm NH3 | |
| CO2 | sensitivity % measured gas @ 5% Vol CO2 | |
| Halothane | sensitivity % measured gas @ 100ppm Halothane | nd |
| NO2-B43F Nitrogen Dioxide Sensor (NO2 Sensor) KEY SPECIFICATIONS | ||
| Temperature range | ℃ | -30 to 40 |
| Pressure range | kPa | 80 to 120 |
| Humidity range | % rh continuous | 15 to 85 |
| Storage period | months @ 3 to 20℃ (stored in sealed pot) | 6 |
| Load resistor | Ω (ISB circuit is recommended) | 33 to 100 |
| Weight | g | |
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