Measurement Screen - Extech Instruments VPC260 User Manual

4
Operation

4.2 Measurement Screen

Long press the power button
screen, press ENTER to access the measurement screen, shown below.
1. Current Date and time.
2. Sample mode icons Cumulative (∑), Differential (Δ), Concentration (CON)
and Run (>|), Pause (||) icons.
3. Recording sample rate (60 seconds, in this example).
4. Designated particle size channel that controls the alarm action and the
animated colour bar graph pointer (see Section 8, Particle Count Alarm,
and the Level Indication option in the Test settings menu for details on
designating a channel and using the particle count alarm).
5. Particle count readings appear in the six (6) channel rows. The designated
row, as described in item 4 above, has the white pointer icon in its row.
6. Ambient readings: AT (air temperature), RH (relative humidity), DP (dew
point calculation), WB (wet bulb calculation).
7. Test record browser icon, press F1 to open the browser.
8. Battery status icon.
9. Unit of measure (particles per litre, in this example).
10. Air volume.
11. The colour bar graph represents the particle count for the designated
channel (see step 3, above).
12. Test settings menu icon, press F2 to open the menu.
#NAS100084; r. AA/93064/93076; en-GB
to switch the meter on. At the opening
7