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256	256	[[image:image-20250505145005-16.png]]
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259		-7.
	259	+= 7. Carbon dioxide sensor =
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	261	+== 7.1 Overview and Spec ==
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	263	+[[image:1746427977346-600.png||height="261" width="318"]]
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	265	+
	266	+* Supply voltage: 12~~24V DC
	267	+* Measurement parameters: Rain or snow
	268	+* Working temperature: -30～70℃; humidity: 10～90%RH
	269	+* Storage temperature: -40～80℃; humidity: 10～90%RH
	270	+* Output signal: RS485 (standard Modbus-RTU protocol)
	271	+* Stability and response time: <1 second
	272	+
	273	+
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