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Outdoor intruder detection beams with anti-masking
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<blockquote data-quote="chrisc" data-source="post: 1123106" data-attributes="member: 746"><p>No, anti-masking does not cause unwanted alarms. Poor choice of mounting place does. Avoid draughts for indoor items, trees and bushes in the way of an outdoor unit. </p><p></p><p>The design of the BX-80 is dated</p><p></p><p>The Paradox NV780 in wired or wireless (NVR780) is a much better option. Pay attention to the range setting, achieved by moving the lens up and down and never exceed the range you expect it to cover. I have one on an outside wall and with the range set at the second highest, it detects a person 12m away. Place it at the recommended height</p><p></p><p>This anti-masking is really intended for a situation where someone would deliberately place an opaque object (a carton) to mask the detection area prior to the alarm being set. If you approach a NV780, it is impossible to get closer than a metre away</p><p></p><p>I must have installed 300 NV780s and it is by far the most reliable outdoor detector on the market. Very few unwanted alarms and I had to go back to re-adjust about 10. One fellow planted bushes in the range of his NV780 and it took a year for the bush to grow and start to wave about in the wind and cause unwanted alarms</p></blockquote><p></p>
[QUOTE="chrisc, post: 1123106, member: 746"] No, anti-masking does not cause unwanted alarms. Poor choice of mounting place does. Avoid draughts for indoor items, trees and bushes in the way of an outdoor unit. The design of the BX-80 is dated The Paradox NV780 in wired or wireless (NVR780) is a much better option. Pay attention to the range setting, achieved by moving the lens up and down and never exceed the range you expect it to cover. I have one on an outside wall and with the range set at the second highest, it detects a person 12m away. Place it at the recommended height This anti-masking is really intended for a situation where someone would deliberately place an opaque object (a carton) to mask the detection area prior to the alarm being set. If you approach a NV780, it is impossible to get closer than a metre away I must have installed 300 NV780s and it is by far the most reliable outdoor detector on the market. Very few unwanted alarms and I had to go back to re-adjust about 10. One fellow planted bushes in the range of his NV780 and it took a year for the bush to grow and start to wave about in the wind and cause unwanted alarms [/QUOTE]
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Outdoor intruder detection beams with anti-masking
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