SemeaTech 4-Electrode O3 Sensor - 7E4-O3-5
This 4-electrode sensor is designed for air quality monitoring to measure the low-concentration O3 gas with ultra-high resolutions.
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Product Specification
Product Description:
This 4-electrode sensor is designed for air quality monitoring to measure the low-concentration O3 gas with ultra-high resolutions. The design optimizes the sensor sensitivity, accuracy and long-term stability and enables the sensor to detect ozone variations at parts per billion (ppb) levels.
Performance Characteristics:
Nominal Range |
0 ~ 5 ppm |
Maximum Overload |
20 ppm |
Sensitivity (20℃) |
-0.45 ± 0.20 μA/ppm |
Response Time (T90) |
≤ 60 s |
Zero Signal (20℃) |
< ±70 nA |
Baseline Shift (-40℃ ~ 50℃) |
< 50 ppb (After compensation) |
Resolution |
10 ppb |
Linearity |
Linear up to 5 ppm |
Bias Voltage |
0 mV |
Environmental:
Temperature Range |
-40℃ ~ 50℃ |
Pressure Range |
1 ± 0.1 atm |
Humidity Range |
15% ~ 90%RH non-condensing |
Life Time:
Long Time Output Drift |
< 2% signal/month |
Recommended Storage Temp |
10℃ ~ 30℃ |
Expected Operating Life |
3 years in clean air |
Storage Life |
6 months in original packaging |
Warranty |
24 months |
Intrinsic Safety Data:
Max. Current at 20ppm O3 |
< 0.2 mA |
Max. O/C Voltage |
1.3 V |
Max. S/C Current |
< 1.0 A |
Physical Characteristics:
Housing Material |
ABS |
Weight (Nominal) |
8 g |
Orientation |
None |
Product Dimensions:
All dimensions in mm
All tolerances ±0.10mm unless otherwise stated
Temperature Data:
Safety Note:
The sensor is designed to be used in certain instruments for life critical applications. To ensure the sensor functions per its specifications inside the instrument, it is required to read the instrument user's guide carefully and comply with the calibration procedures by using certified target calibration gas before each use. Failure to do so may cause serious injury and fatality. Please do not open the sensor plastic enclosure because the electrolyte and other chemicals stored inside are harmful.
It is highly recommended for customers to validate the sensor performance using this document as a reference for their product designs or applications.
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