Sper-scientific 850069 Environmental Quality Meter w/Sound Manual de usuario descargar pdf (Pagina 15)

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MEASUREMENT PROCEDURES

3. Press LUX/FT-CD to select between

Lux and Ft-cd.

4. To ensure measurement accuracy,

calibrate the light meter using the Zero-

Offset adjustment feature.

5. Cover the light sensor to block any light

from registering on the meter. Press

ZERO to calibrate the meter to zero.

The meter displays the light-level value

as 0 and is ready to measure light,

even in low-lit and dark areas.

6. Uncover the light sensor and ensure

that the light sensor on the front of the

meter is pointing toward the lumination

subject and is free from obstruction.

7. The meter measures the light level of

the surrounding environment and

displays the reading.

When measuring intense light, the

meter displays x10 to indicate that the

value displayed is 1/10 the actual value.

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Sper-scientific 850069 Environmental Quality Meter w/Sound Manual de usuario Pagina 15