Sper-scientific 850069 Environmental Quality Meter w/Sound Manual de usuario descargar pdf (Pagina 17)

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5. Ensure that the air flow sensor is free

from obstruction and face the air-flow

sensor in the direction of the wind.

6. The meter measures the wind-speed

and ambient temperature of the

surrounding environment and displays

the value.

Relative Humidity Measurement

1. Press POWER to turn the meter on.

2. Continuously press FUNCTION until

the meter displays the relative humidity

and ambient temperature measuring

units (%RH, °C, °F).

Because the hygrometer readings are

taken while holding the meter upside-

down, the measurement values display

upside-down on the LCD (180° from

the other function displays).

MEASUREMENT PROCEDURES

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Sper-scientific 850069 Environmental Quality Meter w/Sound Manual de usuario Pagina 17