dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance

Page 1 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/1.jpg' width='140' height='200' /> Page 2 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/2.jpg' width='140' height='200' /> Page 3 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/3.jpg' width='140' height='200' /> Page 4 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/4.jpg' width='140' height='200' /> Page 5 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=5' data-page='5' class='cut-thumb lazyload' alt='Page 5: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/5.jpg' width='140' height='200' /> Page 6 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/6.jpg' width='140' height='200' /> Page 7 <img data-url='document/dotcagov-position-because-lumen-output-varies-in-different-lamp-orientations.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042023/5e7b2bdb84795f4041057203/html5/thumbnails/7.jpg' width='140' height='200' />

dot.ca.gov...position because lumen output varies in different lamp orientations. Measure the vertical distance between the lamp center and the lightmeter photocell. Label this distance

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