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Nitric Oxide Gas Sensor (NO Sensor) - NO/M-250

• Nominal Range: 0 - 250 ppm
• Maximum Overload: Nd
• Expected Operation Life: 2 years in air
• Output Signal: 360 ± 80 nA/ppm
• Resolution: 0.5 ppm
• Repeatability: < 2 % of signal
• T90 Response Time: < 30 sec
• Temperature Range: -20°C to 50°C
• Relative Humidity Range: 15 % to 90 % R.H. non-condensing

Model Number: NO/M-250
Data Sheet:

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Product Specification

Miniature Gas Sensors
Industry standard for portable gas detectors. Widely-used format for personal safety.

Features
Smallest size

Dimensions
Conforms to 4-Series
Diameter: 20 mm
Height: 16.6 mm
Pin diameter: 1.5 mm

NO/M-250 Nitric Oxide Sensor (NO Sensor) Applications
• Safety and Environmental Control
• For Portable Gas Detectors

NO/M-250 Nitric Oxide Sensor (NO Sensor) Performance Characteristics
Performance data conditions: 20°C, 50% RH and 1013 mbar

Nominal Range	0 - 250 ppm
Maximum Overload	Nd
Expected Operation Life	2 years in air
Output Signal	360 ± 80 nA/ppm
Resolution	0.5 ppm
Temperature Range	-20°C to 50°C
Pressure Range	Atmospheric ± 10%
Pressure Coefficient	No data
T90 Response Time	< 30 sec
Relative Humidity Range	15 % to 90 % R.H. non-condensing
Typical Baseline Range (pure air, 20°C)	0 ppm ± 4 ppm
Maximum Zero Shift (+20°C to +40°C)	6 ppm equivalent
Expected Long Term Output Drift	< 2% signal loss/month
Recommended Load Resistor	10 Ohm
Bias Voltage	+ 300 mV
Repeatability	< 2 % of signal
Output Linearity	Linear

NO/M-250 Nitric Oxide Sensor (NO Sensor) Physical Characteristics

Weight	~ 5.4 g
Position Sensitivity	None
Storage Life	Six months in container
Recommended Storage Temperature	5°C - 20°C
Warranty Period	12 months from date of dispatch