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| | | Synkera Technologies, Inc. 2021 Miller Dr., Suite B Longmont, CO 80501 | | |
| | | LEL Hydrogen Sensor (P/N 703) | | |
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| | | SENSOR FEATURES: • High selectivity to hydrogen • Low power operation LEL hydrogen detection (1000 ppm - 2%) • Can be operated at room temperature (no heater power consumption) • Can be used for ppm hydrogen detection (50 - 1000 ppm) at higher operating temperature and power (150°C/275 mW) • Environmental humidity range of0 — 90%, non-condensing | | |
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| | | Sensor Response Characteristics The figures below show typical response and selectivity data for sensors operated in clean, dry gas. | | |
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| | | 1.00E+10 1.00E+09 1.00E+08 1.00E+07 1.00E+06 1.00E+05 1.00E+04 1.00E+03 1.00E+02 | | |
| | | 1.00E+10 1.00E+09 1.00E+08 -\- 1.00E+07 1.00E+06 1.00E+05 1.00E+04 | | |
| | | air | | |
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| | | B ,0, | | |
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| | | ethanol | | |
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| | | H2 | | |
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| | | 0 | | 300 600 Time (seconds) | | 900 | | |
| | | 0.01 0.1 1 Gas Concentration (%) | | 10 | | |
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| | | Typical sensor response to 2% H2, low power operation. | | |
| | | Sensitivity/Selectivity characteristics, low power operation. | | |
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| | | J L | | |
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| | | Electrical Characteristics The electrical properties below are typical for LEL Hydrogen Sensors. Heater information is for low power operation. 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 | Value | Remarks | | | | Heater Power Consumption | Ph | ~ 150 mW | At Vh = 2.1 | | | | Heater Voltage | Vh | 2.1 VDC | Tsensor ~90°C | | | | Heater Resistance | Rh | 32 Q ± 2 Q | At room temperature | | | | Sensing Voltage | Ve | 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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