Product introduction
1. UK alphasense carbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4X description:
The CO-B4X sensor is a PPB sensordesigned for ambient air quality applications with excellent baseline stability. This product is available in our standard formatCO-B4 and with our patented integrated smart technology (CO-B4+), which integrates an IST board with memory chip and temperature sensor in the sensor.
2.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XFeatures:
H2 interference resistance
Resolution up to 4ppb
High sensitivity, easy signal processing
Good linearity
3.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level O-B4X Typical applications:
Trace carbon monoxide monitoring in air quality, carbon monoxide gas transmitters, breath CO detection applications
UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4X Dimensions:
4.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XPerformance:
| Sensitivity | 2ppmCO,nA/ppm | 420~650 |
| Response time | t90 from zero to 10ppm CO (s) | <30 |
| Zero current | At 20℃ in zero air (nA) | -30~-250 |
| Noise* | Average noise (ppb) | 4 |
| Detection limit* | ppb | 4 |
| Range | CO warranty detection range (ppm) | 1000 |
| Linearity | ppb value of full-scale error, linear from 0 to 500ppm | 20~35 |
| Overload | ppm with stable response to gas pulses | 2000 |
*Requires low-noise voltage regulation circuit to achieve low interference and good resolution
5.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XLifetime:
| Zero drift | ppb change per year in laboratory air | < ±100 |
| Sensitivity drift | Percentage change per year in laboratory air | <10 |
| Operating life | Time until output drops to 80% of original signal (months) (warranty 24 months) | >36 |
6.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XEnvironment:
| Sensitivity at -20℃ | At 5ppm CO, (output at -20℃ / output at 20℃) % | 40~70 |
| Sensitivity at 50℃ | At 5ppm CO, (output at 50℃ / output at 20℃) % | 110~`125 |
| Zero at -20℃ | nA | -30~30 |
| Zero at 50℃ | nA | -50~-200 |
7.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XCross sensitivity:
| Filtering capacity | ppm*hours H2S | 250,000 |
| Filtering capacity | ppm*hours NO2 | 120,000 |
| Filtering capacity | ppm*hours NO | 120,000 |
| Filtering capacity | ppm*hours SO2 | 160,000 |
| H2S | 5ppmH2Percentage sensitivity to measured gas | <1 |
| NO2 | 5ppmNO2Percentage sensitivity to measured gas | <1 |
| CL2 | 5ppmCL2Percentage sensitivity to measured gas | <1 |
| NO | 5ppmSO2Percentage sensitivity to measured gas | <-3 |
| SO2 | Percentage sensitivity to 5ppm CO measured gas | <0.1 |
| H2 | 100ppmH2Percentage sensitivity to measured gas (20℃) | <50 |
| C2H4 | 100ppmC2H4Percentage sensitivity to measured gas | <1 |
| NH3 | 20ppmNH3Percentage sensitivity to measured gas | <0.1 |
8.UK alphasensecarbon monoxide sensor (CO sensor) with H2 interference resistance, PPB level CO-B4XKey parameters:
| Temperature range | ℃ | -30~50 |
| Pressure range | Kpa | 80-120 |
| Humidity range | %rh | 15-90 |
| Storage life | Sealed storage life at 3-20℃ (months) | 6 |
| Load resistance | Ω (recommended) | 33-100 |
| Weight | grams | <13 |
