| 作者：xieruifeng 发表于：2008-9-30 16:13:45
以下是引用xieruifeng在2008-9-30 16:13:45的发言：
xieruifeng在2008-9-30 16:13:45的发言中提及：
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Features:
* Long life
KE-25 - 5 years / KE-50 - 10 years in ambient air
* Virtually no influence from CO2, CO, H2S, NOx, H2
* Low cost
* Operates in normal ambient temperatures
* Stable output signal
* No external power supply required for sensor operation
* No warmup time is required
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