div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=dual-photobeam-detector-indoor-to-790-ft-outdoor-located-between-the-two-lenseshtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: Dual Photobeam Detector Indoor to 790 ft Outdoor …located between the two lenses at a 450 angle b Adjust the horizontal angle of the lens vertically and horizontally until the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220420055e6f81fe16f3476a470c6050html5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton 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