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Posted: 6/23/2018 8:53:53 PM EDT
[#1]
Have you checked the sensor for bug related trash (webbing/mud/etc.)? That has been an issue a couple of times with ours. I ended up with 3 sensors (arranged down the drive on alternating sides) & generally don't miss anything these days (unless the receiver needs a power off/on reset). Actually, for a a passive ir detection & extended sensor transmit range the Chamberlain CWA2000 model has been the best bang for buck I've found so far. Sensors can be purchased individually for about $30 delivered via Amazon (prime).
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Posted: 6/23/2018 9:23:03 PM EDT
[#2]
Quote HistoryQuoted:
Have you checked the sensor for bug related trash (webbing/mud/etc.)? That has been an issue a couple of times with ours. I ended up with 3 sensors (arranged down the drive on alternating sides) & generally don't miss anything these days (unless the receiver needs a power off/on reset). Actually, for a a passive ir detection & extended sensor transmit range the Chamberlain CWA2000 model has been the best bang for buck I've found so far. Sensors can be purchased individually for about $30 delivered via Amazon (prime). 
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Posted: 6/24/2018 8:46:07 AM EDT
[#3]
Thanks. I took it apart and cleaned it good and wiped the sensor with electrical contact cleaner. i plan on doing a little more testing with it today before throwing in the towel and getting a new one.
Thanks for the advice. |
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Posted: 7/11/2018 10:31:39 AM EDT
[#4]
Changed the batteries already, I'm guessing?
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Posted: 7/11/2018 10:52:47 AM EDT
[#5]
I gave up on the sensors, and use a nest camera. Much better, and this way the feds know exactly what time i get home.
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Posted: 7/11/2018 11:44:22 PM EDT
[#6]
I never had much luck with the IR driveway sensors. Probably because I had the cheap Harbor-Freight version.
We have a Might Mule magnetic driveway sensor. If all you are worried about detecting is vehicles, it works great! https://www.mightymule.com/fm231/ |
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Posted: 7/13/2018 10:37:06 AM EDT
[#7]
My problem seems to be the opposite of yours,mine are TOO sensitive. Mine go off for squirrels, my dogs,and sometimes just sunbeams. I keep mine off 99% of the time because all of the false hits keeping me running to check the driveway.
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Posted: 7/13/2018 10:49:48 AM EDT
[#8]
Seismic intrusion detectors are you #1 way to go but unfortunately all but unavailable for the last 16 or so years.
MURS Dakota alert alarms offer a much better solution than the chamberlain deals. We have had and used both of them and I wouldn't bother with the chamberlian deals again. The MURS transmitters are water resistant, easy to camoflage to match surroundings and offer the best alternative to seismic detectors. PIR is a different technology than seismic detection, but would be the 1st choice after seismic. We use both, seismics for around 20 years here and MURS for about 10 years. |
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Posted: 7/13/2018 12:03:19 PM EDT
[#9]
Quote HistoryQuoted:
Seismic intrusion detectors are you #1 way to go but unfortunately all but unavailable for the last 16 or so years. MURS Dakota alert alarms offer a much better solution than the chamberlain deals. We have had and used both of them and I wouldn't bother with the chamberlian deals again. The MURS transmitters are water resistant, easy to camoflage to match surroundings and offer the best alternative to seismic detectors. PIR is a different technology than seismic detection, but would be the 1st choice after seismic. We use both, seismics for around 20 years here and MURS for about 10 years. 
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Posted: 7/13/2018 12:23:44 PM EDT
[#10]
Quote HistoryQuoted: Unless you design and make your own... |
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Posted: 7/13/2018 12:28:16 PM EDT
[#11]
We sell Cartell in ground sensors. $$ but work well
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