LPG

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nishachar

Joined Jan 28, 2012
1
HI;
In a datasheethttp://www.sparkfun.com/datasheets/S...etric/MQ-6.pdf
there is one spcification PRE-HEAT TIME=48hr
how does it matter while designing detector
can anybody plz tell....how can we get constant output across RL
 

Markd77

Joined Sep 7, 2009
2,806
The link didn't work, but it must be this one.
http://www.sparkfun.com/products/9405
From a search on "gas sensor preheat time" it seems that after storage this is required to get a correct output, it is not required again if it is in regular use.
Just use the example circuit in the datasheet to preheat.
 
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