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Heating of a roof

12/16/2010 4:07 PM	Rate (0)
Andres [Str] Posts: 153 Rating: (18)	Hi all. I do system of electroheating of a roof. Logo will operate system of inclusion of a self-regulating cable through contactors. I should find the sensor of humidity which had a supply 12/24 v dc. Any ideas? Thanks
Andres [Str] Posts: 153 Rating: (18)
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12/19/2010 1:46 PM	Rate (0)
cdrshort Posts: 134 Rating: (16)	you can try to use the siemens QFA 2.... series you wil find 0-10/4-20 output and dc supply versions take a look https://hit.sbt.siemens.com/HIT/fs_global.aspx?lang=en&RC=HQEU&RT=1292762224921&WINX=1015&WINY=733 go to products >sensors>humidity and choose what fit to your application Attachment QFA2060_Datasheet_en[1].pdf (347 Downloads)
cdrshort Posts: 134 Rating: (16)
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