Meter Description - Extech Instruments AN200 User Manual

Meter Description

1. Power ON/OFF button
2. Probe input jack
3. Laser pointer
4. IR Sensor
5. Rubber holster
6. LCD Display
7. IR thermometer
measurement button
8. Airflow buttons (4)
9. Air Temperature
function buttons (2)
10. Vane
11. Airflow Average button
12. Backlight button
Note: The battery
compartment, tilt stand and
tripod mount are located on
the rear of the instrument
Keypad
• Press to turn the meter ON or OFF
• IR + Laser Pointer Press and hold to measure.
• MAX/MIN 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.
•
4 AN200 V2.1 05/07