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Ammonia Sensor (NH3 Sensor) - NH3 3E 100

? Measuring Range: 0-100 ppm
? Sensitivity Range: 90 nA/ppm ± 40 nA/ppm
? Zero Current at 20°C: < ± 150 nA
? Resolution at 20°C: < 2 ppm
? Bias Potential: 0 mV
? Linearity: <5% full scale
? Operation Temperature Range: -40°C to +40°C
? Operation Humidity Range: 15-90% r.H, non-condensing

Model Number: NH3 3E 100
Data Sheet:

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Product Specification

NH3 3E 100 Ammonia Sensor (NH3 Sensor) FEATURES
? Amperometric 3 electrode sensor cell
? Fixed organic gel electrolyte
? No CO2 interference
? 0 volt bias operation

NH3 3E 100 Ammonia Sensor (NH3 Sensor) TYPICAL APPLICATIONS
? TLV-monitoring, leakage detection
? Fixed point applications in cold storages & refrigeration plants only
? For other applications please use NH3 3E SE versions
? No background concentrations of ammonia & alcohols

NH3 3E 100 Ammonia Sensor (NH3 Sensor) TECHNICAL SPECIFICATIONS

Measuring Range	0-100 ppm
Sensitivity Range	90 nA/ppm ± 40 nA/ppm
Zero Current at 20°C	< ± 150 nA
Resolution at 20°C	< 2 ppm
Bias Potential	0 mV
Linearity	<5% full scale
Response Time at 20°C t50 t90	<20s calculated from 5 min. exposure time <120s calculated from 5 min. exposure time
Long Term Sensitivity Drift	<10% per 6 months
Operation Conditions Temperature Range Humidity Range	-40°C to +40°C 15-90% r.H, non-condensing
Effect of Humidity	an abrupt change of r.H. will cause a short term drift of zero reading
Sensor Life Expectancy	> 18 months in air
Warranty	12 months

Safety Note
This sensor is designed to be used in safety critical applications. To ensure that the sensor and/or instrument in which it is used, are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property.

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