Nitrogen Dioxide Sensor (NO2 Sensor) - NO2-B1

  • Nitrogen Dioxide Sensor (NO2 Sensor)
  • Nitrogen Dioxide Sensor (NO2 Sensor)
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• Range: 20ppm NO2 limit of performance warranty
• Sensitivity: -450 to -1000 nA/ppm in 10ppm NO2
• Resolution: < 0.02 RMS noise (ppm equivalent)
• Response time t90: < 60 (s) from zero to 10ppm NO2
• Temperature range: -20 to 50°C
• Pressure range: 80 to 120 kPa
• Humidity range: 15 to 90 % rh continuous
• Weight: < 13 g

  • Model Number: NO2-B1
  • Data Sheet: Date Sheet File
Quantity:
- +

Product Specification

NO2-B1 Nitrogen Dioxide Sensor NO2 Sensor Description
Alphasense Nitrogen Dioxide gas sensors operate using proven fuel cell technology.

NO2-B1 Nitrogen Dioxide Sensor size:
32mm diameter package, the best choice for fixed site applications

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-B1 Nitrogen Dioxide Sensor NO2 Sensor PERFORMANCE
Sensitivity
nA/ppm in 10ppm NO2
-450 to -1000
Response time
t90 (s) from zero to 10ppm NO2 (33Ω load resistor)
< 60
Zero current
ppm equivalent in zero air
< ±0.2
Resolution
RMS noise (ppm equivalent) (33Ω Load Resistor)
< 0.02
Range 
ppm NO2  limit of performance warranty
20
Linearity
ppm error at full scale, linear at zero and 10ppm NO2
< ±0.2
Overgas limit
maximum ppm for stable response to gas pulse
100



NO2-B1 Nitrogen Dioxide Sensor NO2 Sensor LIFETIME
Zero drift
ppm equivalent change/year in lab air
< 0.03
Sensitivity drift
% change/year in lab air, monthly test
< -20 to -40
Operating life
months until 80% original signal  (24 month warranted)
> 24



NO2-B1 Nitrogen Dioxide Sensor NO2 Sensor ENVIRONMENTAL
Sensitivity @ -20°C
% (output @ -20°C/output @ 20°C) @ 5ppm NO2
75 to 95
Sensitivity @ 50°C
% (output @ 50°C/output @ 20°C) @ 5ppm NO2
100 to 112
Zero @ -20°C
ppm equivalent change from 20°C
< ± 0.1
Zero @ 50°C
ppm equivalent change from 20°C
< 0 to -0.5



NO2-B1 Nitrogen Dioxide Sensor NO2 Sensor CROSS SENSITIVITY
H2S   sensitivity
% measured gas @ 20ppm H2S
< -100
NO     sensitivity
% measured gas @ 50ppm NO
< 0.5
Cl2     sensitivity
% measured gas @ 10ppm Cl2
< 100
SO2   sensitivity
% measured gas @ 20ppm SO2
< -2
CO     sensitivity
% measured gas @ 400ppm CO
< 0.1
H2     sensitivity
% measured gas @ 400ppm H2
< 0.1
C2H4 sensitivity
% measured gas @ 400ppm C2H4
< 0.1
NH3   sensitivity
% measured gas @ 20ppm NH3
< 0.1
CO2   sensitivity
% measured gas @ 5% (Vol) CO2
0



NO2-B1 Nitrogen Dioxide Sensor NO2 Sensor KEY SPECIFICATIONS
Temperature range
°C
-20 to 50
Pressure range
kPa
80 to 120
Humidity range
% rh continuous (see note below)
15 to 90
Storage period
months @ 3 to 20°C (stored in sealed pot)
6
Load resistor
Ω (for optimum performance)
33
Weight
g
< 13

Matched Transmitter board for NO2-B1 NO2 Sensor

4-20mA Analogue Transmitter Board
  • Factory calibration, custom-set for immediate use
  • Wide operating voltage range
  • Low RFI susceptibility
Alphasense 4-20 mA analogue transmitter boards provide a cost effective way for Original Equipment Manufacturers to engineer transmitter heads for fixed installation systems.


4-20mA Digital Transmitter Board
   • Factory calibration, custom-set for immediate use
   • Digital zero, sensitivity and temperature compensation
   • Digital and 4-20mA output
   • Biased or unbiased operation
   • Calibration and range change

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