Bedienungsanleitung Trotec BP17 (Seite 7 von 9) (Englisch)

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pyrometer BP17

Carrying out a measurement

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Please note that moving from a cold area to a warm

area can lead to condensation forming on the device's

circuit board. This physical and unavoidable effect can

falsify the measurement. In this case, the display

shows either no measured values or they are incorrect.

Wait a few minutes until the device has become

adjusted to the changed conditions before carrying out

a measurement.

• Ensure that the surface to be measured is free of dust, dirt

or similar substances.

• To be able to gain exact measurement results on surfaces

which reflect heavily, stick matt masking tape to the

surface or apply matt black paint with a very high and

known degree of emission.

• Note the 10:1 ratio of the distance to the measuring spot

size. For accurate measurements the measuring object

should be at least twice as large as the measuring spot.

Note

The first object at which you point the device and the

temperature of which you measure is then also the

reference value for all further measurements. The

reference value is displayed on the reference value

indication.

1. Point the device at the object to be measured.

2. Press the measurement button(4).

ðThe reference value is displayed on the reference value

indication(18).

ðThe SCAN indication(17) appears on the display.

ðThe current measured value is displayed in the

measurement value display(15).

3. Press the measurement button(4) again if you want to

"freeze" a measured value.

ðThe current measured value will be halted.

ðThe HOLD indication(16) appears on the display.

Carrying out a measurement with threshold values

The device permits you to set a threshold value relating to the

set reference temperature. Exceeding or falling below the

reference temperature by more than this selected threshold is

indicated visually and acoustically.

To determine the threshold value relating to the reference

temperature use the SET/lamp button(5). The following settings

are available:

•--: The threshold is disabled.

• 1°C: The threshold value is respectively 1°C (1.8°F)

higher or lower than the reference value.

• 3°C: The threshold value is respectively 3°C (5.4°F)

higher or lower than the reference value.

• 5°C: The threshold value is respectively 5°C (9°F) higher

or lower than the reference value.

The selected threshold is indicated on the respective

display(13).

If the current measured value exceeds the set reference value

by the selected threshold, the display(8) will be illuminated in

red and an acoustic signal can be heard at frequent intervals.

If the current measured value is within the set range given by

the threshold values, the display(8) is illuminated in green.

If the current measured value falls below the set reference value

by the selected threshold, the display(8) will be illuminated in

blue and an acoustic signal can be heard at long intervals.

Example:

The reference value amounts to 25°C and the threshold is set

to 3°C.

• The measured temperature is between 22°C and 28°C:

The display is illuminated in green.

• The measured temperature amounts to more than 28°C:

The display is illuminated in red and an acoustic signal can

be heard at frequent intervals.

• The measured temperature amounts to less than 22°C:

The display is illuminated in blue and an acoustic signal

can be heard at long intervals.

Switching the laser pointer on or off

Ex works the laser pointer is switched off.

Warning of laser radiation

Please observe that with a switched-on laser the laser

pointer will go on as soon as you press the

Measurement button(4).

Danger due to laser radiation!

Warning of laser radiation

Class 2 laser radiation.

Lasers of class 2 only radiate in the visible range and

during continuous wave operation (lasting beam) no

more than 1 milliwatt (mW) of output will be emitted.

Looking directly into the laser beam for a longer period

of time (more than 0.25seconds) can cause damage to

the retina.

Avoid looking directly into the laser beam. Never look

into the laser beam using optical aides. Do not

suppress the winking reflex when looking into the laser

beam unintentionally. Never point the laser beam at

people or animals.

1. Press the laser button(7).

ðThe laser indication(11) appears on the display(8).

ðThe laser pointer is switched on.

2. Press the laser button(7) again to switch the laser pointer

off.

ðThe laser indication(11) is no longer displayed.

ðThe laser pointer is switched off.

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