Extech Instruments AN200 Manuel d'utilisateur télécharger pdf (Page 4)

AN200-EU-EN-V2.5-6/13

Keypad

• Press to turn the meter ON or OFF

• IR + Laser Pointer Press and hold to measure.

• MAX/MIN (Airflow) Record and store the highest and lowest airflow or velocity readings. ◄

(LEFT) also serves as change decimal point button in AREA mode

• UNITS Press to select the mode of operation. In FLOW mode, the meter displays air volume. In

VELOCITY mode, the meter displays air speed. ▲ (UP) also serves as increase number button in

AREA mode.

• HOLD Press to freeze the displayed reading. Press again to unlock display. ►(RIGHT) also serves

as change digit button in AREA mode.

• AREA Press and hold to manually enter the area of a duct in CFM or CMM mode.

Press and hold to scroll thru memory locations.

This button also clears memory in the Averaging mode.

• Press to turn the backlight on/off. Hold to disable Auto Power Off.

• MAX/MIN (Temperature) Press to record and store the highest, lowest readings for air

temperature.

•

HOLD (Temperature) Press to freeze the displayed temperature reading. Press again to unlock the

display.

•

AVG Press and hold to enter averaging mode. Averages up to 20 readings.

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Extech Instruments AN200 Manuel d'utilisateur Page 4