Re: Wireless Door Lock Sensor

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

Man, I did a custom home a few years back with motorized bolts with locked
status...what a freeking pain. The door itself had to be drilled for the
lock wiring which then connected to special hinges with carried voltage etc.
Needless to say it was a very very expensive install. I was really glad I
didn't havet to install the lockset and the door guys somehow drilled the
longitudinal hole for they're wires which made it easy for us. The cost with
the custom door, door frame, hardware, lockset, our prox readers had to have
come close to 10K per door.

I know most homeowners are not in the above bracket...indeed some wouldn't
even pay 100 bucks per door.



"Jackcsg" <nospam@xxxxxxxxxx> wrote in message
news:B_WdnW8uIPgux8PeRVn-qw@xxxxxxxxxxxxxxx
| Bill, relax. You're going into hyperdrive. There are many manufacturers
who
| have been doing this type of application for years. The nicest, but not
| cheapest, way to secure a residential door is by utilizing a power lever
| set. The handle provides truly "locked" feedback, and can be used in
| conjunction with a door "shunt"switch/contact. It gets away from
installing
| a door strike into the frame, which doesn't offer the locked status of the
| lever.
| Here's the Manufacturer we use  www.marksusa.com
|
|
| "Bill" <bill190nospam@xxxxxxxxx> wrote in message
| news:3s702aFmivq3U1@xxxxxxxxxxxxxxxxx
| > The problem with "door lock sensors" would be; the locks themselves, the
| > doors, the jambs, and maintenance/replacement of all of these.
| >
| > Wood doors will grow or shrink with humidity changes. So if you have a
| > switch in the jamb which detects that a dead bolt is thrown, you may
have
| > trouble adjusting it if the door is growing and shrinking with humidity
| > changes.
| >
| > Then hinges will come lose and the alignment of the door may change.
| >
| > Switches located in the jamb would need maintenance and adjustment. Say
a
| > new door and deadbolt was installed with a longer "throw". You would
need
| to
| > be able adjust the switch back for the longer throw. So access covers to
| the
| > switches would be needed as well as a method of adjusting the switch.
| >
| > Some safe/vault doors have such sensors. But you have an all metal door
| and
| > jamb along with a precision locking system.
| >
| > Install switch in locksets only? Most residential locksets are far from
| > being precision devices. Imagine some sort of switch in a cheap
| residential
| > regular door knob - the kind where there is so much play, you can wobble
| the
| > whole thing every which way.
| >
| > I would think the best solution would be a precision lockset
specifically
| > designed for this. The deadbolt would probably be easy. But the door
knob
| > lock would need to be a positive "locked" "not locked" design without
any
| > play or in-between allowed.
| >
| > Also if it is a wired device, the wire to the door is prone to wearing
out
| > and needing replacement. (As is with businesses with gless break sensors
| on
| > their door windows.)
| >
| >
|
|
|