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CALIBRATION STANDARD NG4 GREY

ITEM#: 4559-666F4

MFR#: 666-F4

Scientific Cell Company Glass Filters for Testing Photometric Accuracy, For Use With: Testing photometric accuracy (1.0 Abs), Includes: DAkkS calibration certificate

Scientific Cell Company Glass Filters for Testing Photometric Accuracy, For Use With: Testing photometric accuracy (1.0 Abs), Includes: DAkkS calibration certificate