General-tools-and-instruments DLM105HA Bedienungsanleitung PDF herunterladen (Seite 7)

MEASURING PROCEDURE

(1) Push the "Power Off/On Button"(3-2, Fig. 1) to

switch the instrument on.

(2) Zero Adjust Procedures

* Cover the Light Sensor(3-12, Fig, 1) using the Sensor

Cover provided (3-13, Fig. 1).

* Slide the "Range Switch"(3-11, Fig. 1) to the 2000

LUX position.

* Push the "Zero Button"(3-9, Fig. 1), then display will

show zero values.

* Upon completion, remove the sensor cover.

(2) Select the desired measuring unit by pressing the

"LUX/FC Button"(3-4, Fig. 1). The display will indicate

the selected unit of "LUX" or "Ft-cd".

(3) Determine the lighting type (Daylight, Tungsten,

Fluorescent or Mercury lamp) by pressing the

"Light Source Select Button"(3-8, Fig. 1)

* The LCD will indicate the selected lighting type using

the following symbols :

L = Tungsten, F = Fluorescent

S = Day Light, C = Mercury

(4) Select the max. range using the "Range Switch"(3-11,

Fig. 1).

* If the display shows "- - - - ", it indicates an

overload condition, select the next higher range.

* If the display shows "_ _ _ _ ", it indicates an

out-of-range, select the next lower range.

(5) Position the Light Sensor(3-12, Fig. 1) directly

under the light source.

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General-tools-and-instruments DLM105HA Bedienungsanleitung Seite 7