Coherent FieldMaxII-TOP Instrukcja Użytkownika Pobierz pdf (Strona 23)

Quick Start

Measuring

Energy With a

Thermopile

Sensor

The following figure explains how to take an energy

measurement using a thermopile sensor.

Figure 4. Measuring Energy With a Thermopile Sensor

Press the J/W button to select Watts mode and

then find the appropriate watts range by taking

a couple of sample measurements. The

appropriate range is the lowest range

available that does not give an

overrange error during the test

measurement.

Connect a thermopile sensor to

the 25-pin connector.

Block the beam and then press the

Zero button to set the baseline for

your new measurement.

W (indicates Watts mode)

(indicates Joules mode)

Expose the sensor to a laser pulse, take the measurement, and observe the result on the LCD.

Press the J/W button to select Joules

mode. The Range (Up and Down

arrows), Zero button, and Auto button

should not be used from this point on.

If an overrange error occurs, the range must be adjusted by returning to the Watts mode.

When FieldMax II-TOP is prepared for the first measurement, the TRIG? annunciator displays at the top of

the screen. The TRIG annunciator displays during the measurement, showing that the meter is currently

integrating the reading. The Zero button should not be pressed between measurements.

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Coherent FieldMaxII-TOP Instrukcja Użytkownika Strona 23