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| | | Hydrogen Sulfide (H2S) Data Sheet ^S?, T!?,?"0'091^5'-1"^; rp/N 7124) 2021 Miller Dr.' Suite B (p/N 714) Longmont, CO 80501 | | |
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| | | SENSOR FEATURES: • Sensor designed to reliably detect H2S at concentrations from 1-100 ppm. • Rugged sensor undamaged by exposure to temperature and humidity extremes. • Fast response and complete recovery after H2S exposure. • Large, stable, easy to measure resistance change on exposure to H2S. • Preliminary studies indicate sensor response is stable (does not go to sleep). Sensor Response Characteristics The figures below show typical response data for sensors operated in clean, dry gas. | | |
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| | | 10 ppm cyl | | 90 ppm cyl | | air | | |
| | | 1E+07 | | |
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| | | "5S £ <D w o a. m tZ o m w | | |
| | | 1.0E+07 1.0E+06 1.0E+05 1.0E+04 1.0E+03 | | |
| | | E .c </> o Q. £ o </> « | | |
| | | 1E+06 | | |
| | | r | | |
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| | | 1 ppm 5 ppm 10 ppm 50 ppm 90 ppm | | |
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| | | 1E+05 | | |
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| | | 1E+04 | | |
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| | | 1E+03 | | |
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| | | 100 | | |
| | | 0 | | 300 600 900 1200 1500 Time (seconds) | | |
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| | | Concentration H2S (ppm) | | |
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| | | Linearity of sensor response to H2S. Different cylinders used for low and high concentration testing. | | |
| | | Sensor response curves for varying H2S concentrations. H2S introduced at t=300 seconds, and removed at t=900 seconds. | | |
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| | | Electrical Characteristics The electrical properties below are typical for the H2S 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. | | |
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| | | | | | | | | | | | Property | Symbol | | | | | | Heater Power Consumption | Phl | ~ 900 mW | At Vh = 7.0 | | | | Heater Voltage | Vhl | 7.0 VDC | Tsensor ~350°C | | | | Heater Resistance | Rh | 32Q ± 2 Q | At room temperature | | | | Sensing Voltage | Vc | 5.0 VDC | Recommended | | | | | | | | | | | |
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| | | 720-494-8401 e-mail: info@synkera.com | | www.synkera.com 720-494-8402 (fax | | |
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| | | • 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. | | |
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