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dwdave

Can You Identify This Limpet

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limpet.jpg

 

Contacts left to right CCT+ / CCT-   BATT+/ BATT -   A/T

 

CCT opens and closes with the reed switch

A/T opens and closes with the tamper switch

BATT - I have no idea why it would have battery

 

Im guessing the vibro wires in from its own contacts

 

I have no instructions, or makers details but would like to find out how to rig it up.

 

There is also a junction box in the keep.

 

Im guessing a flexi / armoured loop from the keep to the limpet is what it needs?

 

cheers in advance!


'till the next question ...

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It's a Safe Limpet with a rather old fashioned mechanical shock sensor. The sensitivity of the pendulum is adjusted by means of a screw. Shock sensors of this nature required NC connection. Never come across a Keep and limpet, always thought that a safe limpet was a single unit.

Edited by charlie6

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Thank you -  ive only ever used one before in an old job and that had a keep. 

The backplate seems to have the same pattern as the newer elmedene ones. Perhaps its an old Elmedene unit?


'till the next question ...

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Would need to dig through my old specs (two suitcases full) to be sure of that one's identity.

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Case and layout deffo looks elmdene but even the old BNIB ones I've got from early nineties aren't quite the same.

 

Footprint seems identical though. 


So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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Ah slightly earlier than mine. I bought a 'lifetimes' supply on clearance, of varying dates and models but all Elmdene, although of course since

then we have PD2010 (not that I'm approved) and most panels no longer offer on board analysers, of which 50% of my 'collection' require!

Edited by datadiffusion

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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So my panel (Galaxy Classic) wont analyse the vibro is that correct?

 

If its that old, im tempted to fit a new vibro into the limpet anyway.


'till the next question ...

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Oh it might do - lots of others are more expert on that panel than me.

 

I know that Scanny have dropped it, SPC might still have it, Texecom maybe, Risco never?


So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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I'll await an expert - but Zone Descriptor 47 - Vibration - leaves me feeling a bit more positive.


'till the next question ...

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ok, but it will take a more modern shock sensor - they have the analyser built in dont they ?


'till the next question ...

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any galaxy panel wont do inertia monitoring you need a separate analyzer 

only panels that have this builtin are Aritech, HKC

 

Pre-ion, non EN common platform Scanny and current SPC do too though, AFAIK.

 

But there are very odd issues with Scanny on later panels where its offered on all zones but will fail on anything but 1-4, there

was a tech bulletin but deleted recently by Eaton in the name of progress. Agreed its pretty old info.

Edited by datadiffusion

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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looks like i might get the soldering iron out then and strip of that old shocker and fit a new one then!

 

I cant grumble - got a limpet delivered for £8


'till the next question ...

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Looks like when it was advertised on fleabay they only showed the reverse side... I wonder why...


Nothing is foolproof to a sufficiently talented fool.


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Buy an analyser if you must?

 

Is it that simple?

 

Should I not just add in a "proper" shock sensor?


'till the next question ...

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How about a proper self analysing limpet if you really need one?


So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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I should hope your system has sent you conformation that there are intruders before you need a safe limpet?

You would be better putting a PA next to safe in case you are ever frog marched to it.

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The limpet really is just to chime out in case the safe is opened whilst the alarm is unset. I dont want the children playing with the safe.

 

It sits in view of a PIR when the system is set.

 

I dont really require a limpet worth mega bucks. No laws or insurance policies require me to have an alarm let alone a limpet but to coin a phrase - every little helps.

 

So if adding a self analysing vibro inside the limpet would work then I am happy to do that.

 

I am also currently building a communicator to call me and email me ( and a list of keyholders)  if an alarm is triggered - so its a loosely monitored alarm I guess.


'till the next question ...

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I should hope your system has sent you conformation that there are intruders before you need a safe limpet?

You would be better putting a PA next to safe in case you are ever frog marched to it.

Bit of a moot point with his phone ringing in his pocket telling him his alarms gone off...


Nothing is foolproof to a sufficiently talented fool.


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"....... hang on a second ........ let me get that ....."

 

<<its the wife>>

 

"She says shes cleared out the safe and left me!"


Bit of a moot point with his phone ringing in his pocket telling him his alarms gone off...

You couldnt hear the phone ringing for the sounders !


'till the next question ...

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be better if you said what your trying to achieve there may be better ways. But 8 quid to protect your safe you may as well save the 8 quid and bury it in the garden under a 12 quid bird bath

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