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Extech Instruments VPC300 How To Use Manual
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Extech Instruments VPC300 How To Use Manual

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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

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Summary of Contents for Extech Instruments VPC300

  • Page 1 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...
  • Page 2 (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 (...
  • Page 3 (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.
  • Page 4 (How to Use the Extech VPC300) 5. To set Sample Time press the enter button ( On this screen seen below, press the enter button ( ) again.
  • Page 5 (How to Use the Extech VPC300) 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.
  • Page 6 (How to Use the Extech VPC300) 9. On the same screen, press the button to return to the Particle Settings screen. Success (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.)
  • Page 7 (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.
  • Page 8 (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. Success (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.)
  • Page 9 (How to Use the Extech VPC300) 15. Open the temperature/RH sensor by sliding down its protective cover. 16. Remove cap from isokinetic probe.
  • Page 10 (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.
  • Page 11 (How to Use the Extech VPC300) 19. You can access screen captures later by returning to the “start-up” screen (below). 20. Then press...
  • Page 12 (How to Use the Extech VPC300) 21. The Memory Set screen will appear. 22. Next press the up arrow ( ) or down arrow ( ) to select the Picture option.
  • Page 13 (How to Use the Extech VPC300) 23. Then press the enter button ( 24. A screen will appear (below) displaying your captured images. Press the up arrow ( ) or down arrow ( ) to find and highlight the screen capture you want. Then press the enter button ( *You can also do this process (steps 19-24) to retrieve saved videos and particle logs.
  • Page 14 (How to Use the Extech VPC300) 25. Also, be sure to zero out the particle count sensor from time to time (see step 29 for more discussion). First, unscrew (“righty tight-y, lefty loose-y”) and remove the isokinetic probe. 26. Then attach Zero Count Filter in place of isokinetic probe.
  • Page 15 (How to Use the Extech VPC300) 27. Open the temperature/RH sensor by sliding down its protective cover (pictured lightened to show detail). 28. Press button to clean/purge the device.
  • Page 16 Sample Cycle to 10 to purge/clean, be sure to change it back to 1 for your next IAQ test! NOTE: Your Extech VPC300 needs to be calibrated annually. You must fill out a form and request a Return Authorization #. Visit Extech’s website (http://www.extech.com/) and click on “Repair and Calibration”...