james.wilson Posted December 13, 2012 Posted December 13, 2012 you can work out your volt drop with this http://www.thesecurityinstaller.co.uk/community/files/file/48-sia-techmaster/ securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
Oxo Posted December 13, 2012 Posted December 13, 2012 That wont work for me here now. But the voltage drop will be about 0.171 at 12vdc if cable is 9.2 ohms @ 100 mtrs.
fogaballa Posted December 13, 2012 Author Posted December 13, 2012 Thanks Oxo 9.2 Ohms/100m - the figure I was after
Oxo Posted December 13, 2012 Posted December 13, 2012 That is from CQR who make it and being used to it. But 12vdc is low IMHO for a outside detector, you want at least 13.6 out there.
james.wilson Posted December 13, 2012 Posted December 13, 2012 mains on yes. But consider the bbu. securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
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