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Nitrogen Dioxide (NO2) Gas Sensor - 4ND CiTiceL

• 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:

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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
Resolution	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
Repeatability	<2% of signal
Output Linearity	Linear

N.B. All performance data is based on conditions at 20°C, 50%RH, and 1013 mBar

4ND CiTiceL Nitrogen Dioxide Sensor Physical Characteristics

Weight	5 g (approx.)
Position Sensitivity	None
Storage Life	Six months in CTL container
Recommended Storage Temperature	0-20°C
Warranty Period	12 months from date of despatch