4-Electrode Nitric Oxide Sensor - NO-B4

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4-Electrode Nitric Oxide Sensor - NO-B4

Post by Admin on Mon Nov 28, 2016 7:08 pm


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

Model Number: NO-B4
Data Sheet:
category: Sensors & Transmitters| Gas Sensors & Transmitters| Electrochemical Gas Sensors







Product Specification
NO-B4 Nitric Oxide Sensor 4-Electrode


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


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


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


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


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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