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OX-A431 Ozone + Nitrogen Dioxide Sensor (O3 + NO2 Sensor) 4-Electrode
US$ 88 - 110
MOQ: 1 Piece
Key Specifications
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Brand Name:
Alphasense
Place of Origin:
United Kingdom
Model Number:
OX-A431
Payment & Shipping
Payment Methods:
Port of Shipment:
HK
Delivery Detail:
7 days
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Brand Name
Alphasense
Place of Origin
United Kingdom
Model Number
OX-A431
Usage
Gas Sensor
OX-A431 Oxidising Gas Sensor
Ozone + Nitrogen Dioxide
4-Electrode
Ozone (O3) Sensor Specification
| Ozone Sensor PERFORMANCE | ||
| Sensitivity |
nA/ppm at 1ppm O3 |
-200 to -550 |
| Response time |
t90 (s) from zero to 1ppm O3 |
|
| Zero current |
nA in zero air at 20℃ |
-50 to 70 |
| Noise* |
±2 standard deviations (ppb equivalent) |
15 |
| Range |
ppm O3 limit of performance warranty |
20 |
| Linearity |
ppm error at full scale, linear at zero and 20ppm O3 |
|
| Overgas limit |
maximum ppm for stable response to gas pulse |
50 |
| * Tested with Alphasense AFE low noise circuit | ||
| Ozone Sensor LIFETIME | ||
| Zero drift |
ppb equivalent change/year in lab air |
0 to 20 |
| Sensitivity drift |
% change/year in lab air, monthly test |
|
| Operating life |
months until 50% original signal (24 month warranted) |
> 24 |
| Ozone Sensor ENVIRONMENTAL | ||
| Sensitivity @ -20℃ |
(% output @ -20℃/output @ 20℃) @ 2ppm O3 |
60 to 80 |
| Sensitivity @ 40℃ |
(% output @ 40℃/output @ 20℃) @ 2ppm O3 |
80 to 105 |
| Zero @ -20℃ |
nA |
0 to 25 |
| Zero @ 40℃ |
nA |
20 to 90 |
| Ozone Sensor CROSS SENSITIVITY | ||
| 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 |
|
| C2H4 |
sensitivity % measured gas @ 100ppm C2H4 |
|
| NH3 |
sensitivity % measured gas @ 20ppm NH3 |
|
| H2 |
sensitivity % measured gas @ 100ppm H2 |
|
| CO2 |
sensitivity % measured gas @ 5% Vol CO2 |
0.1 |
| Halothane |
sensitivity % measured gas @ 100ppm Halothane |
|
| Ozone 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 (AFE circuit recommended) |
33 to 100 |
| Weight |
g |
|
Nitrogen Dioxide (NO2) Sensor Specification
| NO2 Sensor PERFORMANCE | ||
| Sensitivity to NO2 |
nA/ppm at 2ppm NO2 |
-200 to -550 |
| Response time |
t90 (s) from zero to 1ppm NO2 |
|
| Zero current |
nA in zero air at 20℃ |
-50 to 70 |
| Noise* |
±2 standard deviations (ppb equivalent) |
15 |
| Range |
ppm NO2 limit of performance warranty |
20 |
| Linearity |
ppm error at full scale, linear at zero and 20ppm NO2 |
|
| Overgas limit |
maximum ppm for stable response to gas pulse |
50 |
| * Tested with Alphasense AFE low noise circuit | ||
| NO2 Sensor LIFETIME | ||
| Zero drift |
ppb equivalent change/year in lab air |
0 to 20 |
| Sensitivity drift |
% change/year in lab air, monthly test |
|
| Operating life |
months until 50% original signal (24 month warranted) |
> 24 |
| NO2 Sensor ENVIRONMENTAL | ||
| Sensitivity @ -20℃ |
(% output @ -20℃/output @ 20℃) @ 2ppm NO2 |
50 to 80 |
| Sensitivity @ 40℃ |
(% output @ 50℃/output @ 20℃) @ 2ppm NO2 |
115 to 130 |
| Zero @ -20℃ |
nA |
0 to 25 |
| Zero @ 40℃ |
nA |
20 to 50 |
| NO2 Sensor CROSS SENSITIVITY | ||
| 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 |
|
| C2H4 |
sensitivity % measured gas @ 100ppm C2H4 |
|
| NH3 |
sensitivity % measured gas @ 20ppm NH3 |
|
| H2 |
sensitivity % measured gas @ 100ppm H2 |
|
| CO2 |
sensitivity % measured gas @ 5% Vol CO2 |
0.1 |
| Halothane |
sensitivity % measured gas @ 100ppm Halothane |
|
| NO2 Sensor KEY SPECIFICATIONS | ||
| Temperature range |
℃ |
-30 to 40 |
| Pressure range |
kPa |
80 to 120 |
| Humidity range |
% rh continuous |
15 to 85 |
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Business Type
Distributor/Wholesaler
Year Established
2014
Overseas Office
Yes
Total Employees
101 - 200 People
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