Nitric Oxide Sensor (NO Sensor) 4-Electrode - NO-B4

Range: 20 ppm NO limit of performance warranty
Linearity: < ±1 ppb error at full scale, linear at zero and 5ppm NO
Sensitivity: 500 to 850 nA/ppm at 2ppm NO
Response time: < 45 t90 (s) from zero to 2ppm NO
Temperature range: -30 to 40 ℃

  • Model Number: NO-B4
  • Data Sheet: Date Sheet File
Quantity:
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  • Nitric Oxide Sensor (NO Sensor) 4-Electrode
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Product Specification

Nitric Oxide Sensor (NO Sensor) NO-B4 PERFORMANCE
Sensitivity nA/ppm at 2ppm NO 500 to 850
Response time t90 (s) from zero to 2ppm NO < 45
Zero current nA in zero air at 20℃ 30 to 140
Noise* ±2 standard deviations (ppb equivalent) 15
Range ppm NO limit of performance warranty 20
Linearity ppb error at full scale, linear at zero and 5ppm NO < ±1
Overgas limit maximum ppm for stable response to gas pulse 50
* Tested with Alphasense ISB low noise circuit



Nitric Oxide Sensor (NO Sensor) NO-B4  LIFETIME
Zero drift ppb equivalent change/year in lab air 0 to 50
Sensitivity drift % change/year in lab air, monthly test    0 to -20
Operating life months until 50% original signal  (24 month warranted) > 24



Nitric Oxide Sensor (NO Sensor) NO-B4  ENVIRONMENTAL
Sensitivity @ -20℃ (% output @ -20℃/output @ 20℃) @ 2ppm NO 60 to 90
Sensitivity @ 40℃ (% output @ 50℃/output @ 20℃) @ 2ppm NO 97 to 110
Zero @ -20℃ nA 0 to 30
Zero @ 40℃ nA 100 to 200



Nitric Oxide Sensor (NO Sensor) NO-B4  CROSS SENSITIVITY
H2S sensitivity % measured gas @ 5ppm H2S (after 3 minutes) < 10
NO2 sensitivity % measured gas @ 5ppm NO2 (after 3 minutes) < 4
Cl2 sensitivity % measured gas @ 5ppm Cl2 < 3
SO2   sensitivity % measured gas @ 5ppm SO2 < 5
H2 sensitivity % measured gas @ 100ppm H2 < 0.1
CO sensitivity % measured gas @ 5ppm CO < 0.3
NH3 sensitivity % measured gas @ 5ppm NH3 < 0.1
CO2 sensitivity % measured gas @ 5% Vol CO2   < 0.1
O3 sensitivity % measured gas @ 100ppb O3 < 4
Halothane sensitivity                 @ 100ppm Halothane < 0.1



Nitric Oxide Sensor (NO Sensor) NO-B4  KEY SPECIFICATIONS
Bias voltage mV(working electrode potential is above reference electrode) 200
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 (ISB circuit is recommended) 33 to 100
Weight    g < 13

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