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LM631 Operating Instructions The sensor head has a 1.5 meter cable to allow separation between the observer and the
P/N 1638812 measurement location. SPECIFICATIONS
WARRANTY 5. Read the luminance value from the display. If magnitude of lux (or fc) is not known,
press RANGE button to the highest range and reduce until a satisfactory reading is
GENERAL
The LM631 Digital Light meter is warranted against any defects of material or workman-
obtained. Display: 3