Nitrogen Dioxide (NO2) Gas Sensor - 4ND CiTiceL

  • Nitrogen Dioxide (NO2) Gas Sensor
  • Nitrogen Dioxide (NO2) Gas Sensor
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• Nominal Range: 0-20 ppm
• Expected Operating Life: Two years in air
• Output Signal: 0.6 ± 0.15 µA/ppm
• Resolution: 0.1 ppm
• Repeatability: <2% of signal
• Temperature Range: -20°C to +50°C
• T90 Response Time​: <25 seconds
• Relative Humidity Range: 15 to 90% non-condensing

  • Model Number: 4ND CiTiceL
  • Data Sheet: Date Sheet File
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Product Specification

4ND CiTiceL Nitrogen Dioxide Sensor Key Features & Benefits
• Industry leading reliability
• Improved performance variability

4ND CiTiceL Nitrogen Dioxide Sensor Application
Industrial Safety: Sensors for portable gas detectors used in Industrial Hygiene and Confined Space Entry.

4ND CiTiceL Nitrogen Dioxide Sensor Performance Characteristics

Nominal Range
0-20 ppm
Maximum Overload
150 ppm
Expected Operating Life
Two years in air
Output Signal
0.6 ± 0.15 µA/ppm
0.1 ppm
Temperature Range
-20°C to +50°C
Pressure Range
Atmospheric ± 10%
T90 Response Time
<25 seconds
Relative Humidity Range
15 to 90% non-condensing
Typical Baseline Range
(pure air)
-0.2 to +0.2 ppm equivalent
Maximum Zero Shift
(+20°C to +40°C)
0.2 ppm equivalent
Long Term Output Drift
<2% signal loss/month
Recommended Load Resistor
33 Ω
Bias Voltage
Not required
<2% of signal
Output Linearity
N.B.  All performance data is based on conditions at 20°C, 50%RH, and 1013 mBar

4ND CiTiceL Nitrogen Dioxide Sensor Physical Characteristics
5 g (approx.)
Position Sensitivity
Storage Life
Six months in CTL container
Recommended Storage Temperature
Warranty Period
12 months from date of despatch

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