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Electrochemical Ammonia Sensor (NH3 Sensor) with Fast Response - NH3/MR-100

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• Nominal Range: 0 - 100 ppm
• Maximum Overload: 200 ppm
• Expected Operation Life: 2 years in air
• Output Signal: 110 ± 30 nA/ppm
• Resolution: 1 ppm
• Repeatability: < 3 % of signal
• T90 Response Time: < 40 sec
• Temperature Range: -10°C to 40°C
• Relative Humidity Range: 15 % to 90 % R.H. non-condensing

Model Number: NH3/MR-100
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

NH3/MR-100 Ammonia Sensor (NH3 Sensor) Applications
• Leak Detection
• Safety and Environmental Control
• For Portable Gas Detectors

NH3/MR-100 Ammonia Sensor (NH3 Sensor) Performance Characteristics
Performance data conditions: 20°C, 50% RH and 1013 mbar

Nominal Range	0 - 100 ppm
Maximum Overload	200 ppm
Expected Operation Life	2 years in air
Output Signal	110 ± 30 nA/ppm
Resolution	1 ppm
Temperature Range	-10°C to 40°C
Pressure Range	Atmospheric
Pressure Coefficient	No data
T90 Response Time	< 40 sec
Relative Humidity Range	15 % to 90 % R.H. non-condensing
Baseline	0 ppm ± 3 ppm
Maximum Zero Shift (+20°C to +40°C)	-8 ppm
Typical Long Term Output Drift	< 5% per 6 months
Recommended Load Resistor	10 Ohm
Bias Voltage	Not allowed
Repeatability	< 3 % of signal
Output Linearity	< 5 % of scale
Humidity Effect	< 4 ppm

NH3/MR-100 Ammonia Sensor (NH3 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

NH3/MR-100 Ammonia Sensor (NH3 Sensor) Cross Sensitivity Data

Interfering Gas	Concentration	Reading
CO	300 ppm	0 ppm
H2	200 ppm	0 ppm
SO2	20 ppm	-7 ppm
H2S	20 ppm	7 ppm
NO	20 ppm	-1 ppm
NO2	20 ppm	-20 ppm
Cl2	20 ppm	-55 ppm
CO2	2%	0 ppm
SiH4	10 ppm	0 ppm