HD600 Datasheet, PDF (6/9 Pages) Extech Instruments Corporation. – Digital Datalogging Sound Level Meter

MAX / MIN
In the MAX/MIN mode the meter will display and hold either the maximum or minimum
reading. The display will update only when the measured value exceeds the value
presently in the display.
1. Press the MAX/MIN button and the MAX icon will appear on the display. The reading
displayed is the highest reading encountered since the MAX mode was entered.
2. Press the MAX/MIN button again. The MIN icon will appear on the display. The
reading displayed is the lowest reading encountered since the MIN mode was
entered.
3. Press the MAX/MIN button again to exit the MAX / MIN display mode.
RECORDING DATA
The meter can store up to 20,000 readings at an interval rate of 1 to 59 seconds. Each
recording session is saved as a data set and each record is saved with a date and time
stamp. This data can be downloaded using the supplied software.
Setting the interval time
1. Press and hold the button while turning the meter ON. 0001 and Int will appear in
the display.
2. Press the LEVEL button to set the sample interval from once per second to once per
59 seconds.
3. Press the HOLD button to save the interval setting and exit the setting mode.
Recording readings
1. Press the REC button to begin recording. The REC icon will appear on the display.
2. Press the REC button again to stop recording.
3. Auto Power OFF is disabled when the record function is active.
Clearing Stored readings
1. Turn the meter OFF.
2. Press and hold the REC button while turning the meter ON.
3. When (clear) appears on the display, release the REC button.
4. All of the readings that were stored in memory are now erased.
BACKLIGHT
Press the button to turn the LCD backlight on or off. To conserve battery life, the
backlight will automatically turn off after approximately 30 seconds.
AUTO POWER OFF
The meter will automatically shut off after approximately 15 minutes of inactivity. Press the
SETUP button to disable the auto-power-off feature. The icon in the display indicates
that the auto power off feature is active.
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HD600 V1.2 8/07