goncall Posted May 17, 2018 Posted May 17, 2018 13 hours ago, MrHappy said: so the advantage is a high resistance fault when closed wouldn't generate a intruder signal unless it got to "tamper values" I assume "high resistance" is x% of the circuits resistance values so 1k & 1k is quite narrow but at 4k7 & 4k7 its more forgiving ? Chances are it will go to open value before it reaches tamper value Quote
james.wilson Posted May 17, 2018 Posted May 17, 2018 it does give early warning of contact failure Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
goncall Posted May 17, 2018 Posted May 17, 2018 9 minutes ago, james.wilson said: it does give early warning of contact failure Works well if signalled on a dedicated high/low res channel as long as the customer calls an engineer before setting the system Quote
jackaddressable Posted May 17, 2018 Author Posted May 17, 2018 Is it above 1200 ohms that you'd see high res? I seem to recall that? Quote
james.wilson Posted May 18, 2018 Posted May 18, 2018 19 hours ago, goncall said: Works well if signalled on a dedicated high/low res channel as long as the customer calls an engineer before setting the system qfa Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
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