Product Introduction
1. Description of High Resolution Nitrogen Dioxide Sensor NO2-A43F
NO2-A43F is a 4-electrodenitrogen dioxide sensor(NO2 sensor) with high resolution and sensitivity, ideal for environmental air quality monitoring systems.
2. Main Parameters of High Resolution Nitrogen Dioxide Sensor NO2-A43F
High sensitivity, reaching -450nA/ppm
High resolution, reaching 15ppb
Good linearity, deviation of 0.5ppm
3. Typical Applications of High Resolution Nitrogen Dioxide Sensor NO2-A43F
Trace nitrogen dioxide monitoring in air quality, nitrogen dioxide gas transmitters.
| Sensitivity | Sensitivity in 2ppm NO2 (nA/ppm) | -175~-450 |
| Response Time | t90 time from zero to 2ppm NO2 (s) | <60 |
| Zero Current | Output in zero-grade air at 20°C (nA) | -50~+70 |
| Noise* | Standard deviation ±2 (equivalent ppb) | 15 |
| Range | Measurement limit ensuring product performance (ppm) | 20 |
| Linearity | ppm value of full-scale error, linear from 0 to 20ppm | <±0.5 |
| Overload | Maximum ppm value for stable response to gas pulses | 50 |
5. High Resolution Nitrogen Dioxide Sensor (NO2 Sensor) NO2-A43FLifetime
| Zero Drift | Equivalent ppb change per year in laboratory air | 0~20 |
| Sensitivity Drift | Percentage change per year in laboratory air, monthly test | <-20~-40 |
| Operating Life | Months until output drops to 50% of original signal (24-month warranty) | >24 |
6. High Resolution Nitrogen Dioxide Sensor (NO2 Sensor) NO2-A43FEnvironment
| Sensitivity at -20°C | At 2ppm NO2, (output at -20°C / output at 20°C) % | 40~80 |
| Sensitivity at 40°C | At 2ppm NO2, (output at 40°C / output at 20°C) % | 95~115 |
| Zero at -20°C | nA | 0~+25 |
| Zero at 40°C | nA | 20~60 |
7. High Resolution Nitrogen Dioxide Sensor (NO2 Sensor) NO2-A43FCrossSensitivity
| O3 | Filtering capability for 2ppm O3 (ppm·hrs) | >500 |
| H2S | Sensitivity percentage to measured gas at 5ppm H2S | <-80 |
| NO | Sensitivity percentage to measured gas at 5ppm NO | <5 |
| Cl2 | Sensitivity percentage to measured gas at 5ppm Cl2 | <75 |
| SO2 | Sensitivity percentage to measured gas at 5ppm SO2 | <-5 |
| CO | Sensitivity percentage to measured gas at 5ppm CO | <-5 |
| C2H4 | Sensitivity percentage to measured gas at 100ppm C2H4 | <1 |
| NH3 | Sensitivity percentage to measured gas at 20ppm NH3 | <0.2 |
| H2 | Sensitivity percentage to measured gas at 100ppm H2 | <0.1 |
| CO2 | Sensitivity percentage to measured gas at 5% Vol CO2 | 0.1 |
| Halothane | Sensitivity percentage to measured gas at 100ppm halothane | nd |
8. High Resolution Nitrogen Dioxide Sensor (NO2 Sensor) NO2-A43FKeyParameters
| Temperature Range | ℃ | -30~40 |
| Pressure Range | kPa | 80~120 |
| Humidity Range | Continuous relative humidity percentage | 15~85 |
| Storage Life | Months stored at 3~20°C (must be stored in sealed can) | 6 |
| Load Resistor | Ω (AFE circuit board recommended) | 33~100 |
| Weight | g | <6 |
9. High Resolution Nitrogen Dioxide Sensor (NO2 Sensor) NO2-A43FCompanion Sensor Circuit Board:
Analog Front End Circuit (AFE) A4Series Air Quality Sensors -AFE
Based on product design, A4 series air quality sensors need to be used with the analog front end circuit (AFE): Since portable monitoring devices require compact size, we designed the circuit board with high component density, saving valuable space for your monitoring device. Based on product design, A4 series air quality sensors need to be used with the analog front end circuit (AFE): Since portable monitoring devices require compact size, we designed the circuit board with high component density, saving valuable space for your monitoring device. Now simply connect the AFE and A4 sensor to a multiplexed ADC to quickly record air quality data.
