General-tools-and-instruments DLAF8000C User Manual download pdf (Page 8)

* The temperature difference between thermocouple

probe and thermometer will cause an inaccurate

measuring result. Therefore, for the best measuring

and accuracy performance, whenever change a probe or

plug a new probe, thermal equivalent between probe

plug and meter's input socket is a necessary condition.

Thermal equivalent procedure may take few minutes

and apply only when the probe has been exposed to an

ambient temperature different from the meter.

4-3 Humidity & Ambient Temperature Measurement

1) Power on the instrument by pressing the " Power

Button " (3-1, Fig. 1).

2) Select the Relative Humidity function by pressing

"Function Button " ( 3-6, Fig. 1 ).

3) At the mean time the reading value of relative humidity

and temperature will be displayed on the LCD display.

4) When the meter is applied in a new environment, a few

minutes are required to reach a stable condition.

4-4 Light Measurement

1) Power on the instrument by pressing the " Power Button "

( 3-1, Fig. 1 ).

2) Select the Light Measurement function by pressing the

" Function Button " ( 3-6, Fig. 1 ) until the light value is

displayed. The light display digits are oriented 180° from

the other function displays for easy exposure and output

reading of the light sensor.

3) Press the " Lux/Ft-cd Button " ( 3-5, Fig. 1 ) to

select measuring unit " Lux " or " Ft-cd ".

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General-tools-and-instruments DLAF8000C User Manual Page 8