Min And Max Function; Data Hold; Battery Replacement; Pc Interface - Extech Instruments 407123 User Manual

MIN and MAX Function

1. To begin capturing the Minimum (MIN) and Maximum (MAX) readings, press the RECORD
button. The 'REC' icon will appear on the LCD.
2. Take readings as described previously.
3. Press the RECALL button to view the Maximum reading encountered since the RECORD button
was pressed. The 'MAX' display icon will appear along with the maximum reading.
4. Press RECALL again to view the minimum reading (MIN).
5. Press the RECORD button to exit this mode and return to normal operation.

Data Hold

To freeze the LCD display, press the HOLD button. The 'DH' display icon will appear on the LCD.
Press the HOLD button again to return to normal operation (the 'DH' hold icon will switch off).

Battery Replacement

When the low battery indicator (LBT) appears on the LCD or if the LCD does not switch on when the
POWER button is pressed, replace the batteries.
1. Remove the protective rubber holster that encapsulates the meter.
2. Open the rear battery compartment by prying the compartment off with a flat-head screwdriver
or a coin.
3. Replace the six 'AAA' 1.5V batteries observing polarity.
4. Replace the battery compartment cover and the protective holster.
5.
You, as the end user, are legally bound (EU Battery ordinance) to return all used
batteries, disposal in the household garbage is prohibited! You can hand over your
used batteries / accumulators at collection points in your community or wherever batteries
/ accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle

PC Interface

The meter is equipped with an RS-232 PC Interface jack at the top of the meter (next to the sensor
input jack). For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit
(RS232 to USB cable and driver CD) along with the 407001 software (available free at
www.extech.com) are required.
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407123-EU-EN v6.6 3/14