Powerfix Z31697A User Manual download pdf (Page 11)

11 GB

The air bubble of the level indicator should

be between the two markings

if the

alignment is horizontal.

Press the READ button

4

. The laser diode

11

projects a dot of light onto the end point of

the measurement. This dot of light will help you

to correctly align the ultrasonic rangeﬁnder.

After successful measuring, the length will

appear in the display.

Avoiding measuring errors

In order to avoid measuring errors,

please note the following information:

The measurement is performed by ultrasound,

which travels from the ultrasonic transmitter

1

in a conical manner. The ultrasound is reﬂected

from the target area and received by the ul-

trasonic receiver. The ultrasonic rangeﬁnder

calculates the measured length (Fig. B) from

the travel time of the signal.

In order to guarantee an exact measure-

ment, the following conditions must be

maintained (Fig. B):

The reference area (A) must be parallel to the

target area (B).

The distance to be measured must be be-

tween 0.6 m and 16 m long.

There must be no objects in the conical path

of the ultrasound, which could reﬂect the ul-

trasound prematurely. The conical path of the

ultrasound has a width of about 5 m at a

length of 16m.

The target area must have a smooth surface,

so that the ultrasound can be well reﬂected.

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