407123 Datasheet, PDF (6/8 Pages) Extech Instruments Corporation. – Hot Wire Thermo-Anemometer

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.
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). This port is for use with the Extech Part Number 407001 Data
Acquisition software and interface cable kit. Directions for use are supplied with the
407001 kit. The interface kit allows the user to take measurements and view/save the
readings on a PC.
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407123 V6.2 3/08