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Ammonia Sensor

Synkera Technologies, Inc.

(P/N 705)

2021 Miller Dr., Suite B Longmont, CO 80501

SENSOR FEATURES:

Detection range of <25 to 10,000 ppm ammonia(NH

3

). High selectivity to ammonia. Minimal response to changing environmentalhumidity. Response is unaffected by prolonged exposuresto, or high concentrations of ammonia. Sensor response is not affected by H

2

S. Sensor Response Characteristics The figures below show typical response and selectivity data for sensors operated in clean, dry gas.

) ohms ( Resistance 0.11101001000 1.E+081.E+09 1.E+10 Resistance in Air / Resistance in Gas (Ra/Rg) 50 ppm NH3300 ppm methanol300 ppm isobutylene300 ppm THF100 ppm H2300 ppm CO500 ppm methane10 ppm NO210 ppm H2S Selectivity of ammonia sensor. Note Ra/Rg = 1indicates no response to gas, Ra/Rg Electrical Characteristics The electrical properties below are typical for Ammonia Sensors. If the actual values differ the customer will be notified with the shipment. Circuits are available that will be preset to the correct values. Property Symbol Value Remarks Heater Power Consumption P
H ~ 975 mW At V
H = 7.5 Heater Voltage V
H 7.5 VDC Heater Resistance R
H 31 2 At room temperature Sensing Voltage V
C 5.0 VDC Recommended 720-494-8401 e-mail: info@synkera.com www.synkera.com 720-494-8402 (fax)
For information on warranty, please refer to Synkera Technologies, Inc. Standard Terms and Conditions. Information on this data sheet represents typical values from a number of Synkera sensors. Actual values from sensor to sensor can vary slightly.