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Electrochemical Nitric Oxide Gas Sensor (NO Sensor) - 7NT CiTiceL

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• Operating Principle: 3-electrode electrochemical
• Measurement Range: 0-100 ppm NO
• Maximum Overload: 1500 ppm NO
• Filter: None
• Sensitivity: 0.55 ± 0.11 µA/ppm
• Response Time (T90): <15 Seconds
• Resolution: 0.5 ppm
• Repeatability: 2% of signal
• Linearity: Linear

Model Number: 7NT CiTiceL
Data Sheet:

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Product Specification

7NT CiTiceL Nitric Oxide Sensor (NO Sensor) Key Features & Benefits:
• Robust, industry standard 7-Series packaging
• Compact Size

7NT CiTiceL Nitric Oxide Sensor (NO Sensor) Technical Specifications

MEASUREMENT
Operating Principle	3-electrode electrochemical
Measurement Range	0-100 ppm NO
Maximum Overload	1500 ppm NO
Filter	None
Sensitivity*	0.55 ± 0.11 µA/ppm
Response Time (T90)*	<15 Seconds
Baseline Offset (clean air)*	0 to +3 ppm NO equivalent
Zero Shift (+20°C to +40°C)	< 9 ppm NO equivalent
Resolution	0.5 ppm (when used with recommended electronics)
Repeatability	2% of signal
Linearity	Linear

ELECTRICAL
Recommended Load Resistor	10 Ω
Bias Voltage	+300 mV

MECHANICAL
Weight	17 g
Housing Material:
Cap	Polycarbonate
Body	ABS
Orientation	Any

ENVIRONMENTAL
Operating Temperature Range	-20°C to +50°C
Recommended Storage Temp	0°C to 20°C
Operating Pressure Range	Atmospheric ± 10%
Pressure Coefficient	0.016% signal/mBar
Operating Humidity Range	15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift	<2% signal loss/month
Expected Operating Life	Two years in air
Storage Life	6 months in CTL container

* Specifications are valid at 20°C, 50% RH and 1013 mBar, using City Technology recommended circuitry. Performance characteristics outline the performance of sensors supplied within the first 3 months. Output signal can drift below the lower limit over time.

Poisoning
CiTiceLs are designed for operation in a wide range of environments and harsh conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments and operation.

When using sensors with printed circuit boards (PCBs), degreasing agents should be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.

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