Eugene's DIY Den Posted June 28, 2018 Share Posted June 28, 2018 Any idea what these mean on barrel shaped shock sensors? Possibly ITEC designed. Talking Tools, a Facebook group for discussing anything tool/DIY related. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/ Share on other sites More sharing options...
james.wilson Posted June 28, 2018 Share Posted June 28, 2018 got a pic? securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477389 Share on other sites More sharing options...
Eugene's DIY Den Posted June 28, 2018 Author Share Posted June 28, 2018 Here's some photos Talking Tools, a Facebook group for discussing anything tool/DIY related. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477402 Share on other sites More sharing options...
james.wilson Posted June 28, 2018 Share Posted June 28, 2018 that type need to be vertical. Id assume that d is top keeping the sensor horizontal securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477403 Share on other sites More sharing options...
PeterJames Posted June 28, 2018 Share Posted June 28, 2018 Ball bearing on a doodaa Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477406 Share on other sites More sharing options...
petercts Posted June 28, 2018 Share Posted June 28, 2018 Have not seen those for years the original design goes back 40+ years n is for normal d is damped probably several on one cable they will all go back to an analyser board, as peter James says ball in a cup design the early one had gold plating and sat on 3 pins 1 Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477410 Share on other sites More sharing options...
norman Posted June 28, 2018 Share Posted June 28, 2018 Used to look after loads of those, they worked fine tbf. Nothing is foolproof to a sufficiently talented fool. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477418 Share on other sites More sharing options...
sixwheeledbeast Posted June 30, 2018 Share Posted June 30, 2018 Same only had issues when they had been disturbed and the trembler had been refitted back in the wrong way. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477433 Share on other sites More sharing options...
norman Posted June 30, 2018 Share Posted June 30, 2018 Yup, usually by window fitters thinking they were alarm men. Nothing is foolproof to a sufficiently talented fool. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477434 Share on other sites More sharing options...
sixwheeledbeast Posted June 30, 2018 Share Posted June 30, 2018 Then think they'll still operate if they stick them on with sticky pads... 1 Link to comment https://www.thesecurityinstaller.co.uk/community/topic/42176-n-and-d-markings-on-shock-sensors/#findComment-477437 Share on other sites More sharing options...
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