Extech Instruments VPC300 Operating instructions

Follow this easy step-by-step guide to use the Extech VPC300 for IAQ Testing.
(Not all functions are reviewed in this condensed “How to Use” guide. For more information,
consult Extech’s User Guide: http://www.extech.com/resources/VPC300_UM.pdf )
From Extech User Guide

(How to Use the Extech VPC300)
1. Turn on the Extech VPC300 (EV3) by pressing and holding the power button (3-5 seconds).
2. To get to setup mode, press the enter button ( ).

(How to Use the Extech VPC300)
3. On the Particle Measurement screen, press
4. On the Particle Settings screen, only 2 settings need attention: Sample Time and Sample Mode.

(How to Use the Extech VPC300)
5. To set Sample Time press the enter button ( ).
6. On this screen seen below, press the enter button ( ) again.

(How to Use the Extech VPC300)
7. Then press the up arrow ( ) or down arrow ( ) until it reads 60 seconds.
8. On the same screen, press the enter button ( ) to set/save the Sample Time.

(How to Use the Extech VPC300)
9. On the same screen, press the button to return to the Particle Settings screen.
(If you did it correctly, you will briefly see the word “Success”flash in white letters in the bottom
left corner of the Sample Time screen.)
10. On this screen below, press the down arrow ( ) to select Sample Mode.
Success

(How to Use the Extech VPC300)
11. On the same screen, press the enter button ( ) to set Sample Mode.
12. When the Sample Mode screen appears, Cumulative is the default setting. Make sure
Cumulative is selected.

(How to Use the Extech VPC300)
13. On the same screen, press the button to set/save the Sample Mode and return to the
Particle Settings screen.
(Again, if you did it correctly, you will briefly see the word “Success”flash in white letters in
the bottom left corner of the Sample Mode screen.)
Now you’re ready to run your first sample.
14. Return to the Particle Measurement screen before running your first test.
Success

(How to Use the Extech VPC300)
15. Open the temperature/RH sensor by sliding down its protective cover.
16. Remove cap from isokinetic probe.

(How to Use the Extech VPC300)
17. Press button to start sample test. (Machine will automatically stop after 1 minute.)
*IMPORTANT: Anytime you run the device –whether cleaning or testing –the sleeve on the
temperature/RH sensor needs to be slid down all the way and the cap on the isokinetic probe needs to
be removed.
18. If you would like to take a screen capture/shot of your reading when the meter stops after 1
minute, simply press the button. (To save, press again; or press to delete it.)