PerkinElmer Photovac 2020, Manual

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2020 Software Manual
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Charging a fully discharged battery pack will take approximately 4
hours.
Optionally you can use the off line charger (Part No. MX350015) to
charge the battery pack independently of the instrument. See
Off
Line Charger on page 110.
If you are charging the battery pack in the instrument you can use
all the features of 2020 while the battery pack is being charged.
Leaving the AC adapter connected to 2020 will not harm the battery
or the AC adapter in any way. If 2020 is to be left indefinitely, leave
it connected to the AC adapter so that the battery will be fully
charged and ready for operation.
On average a fully charged battery pack will provide 8 hours of
continuous operation. Battery life is shorter if the instrument is
turned off and then on again repeatedly, or if the backlighting is
turned on.
Overview
2020 measures the concentration of airborne photoionizable gases
and vapors and automatically displays and records these
concentrations. It does not distinguish between individual pollutants.
The reading displayed represents the total concentration of all
photoionizable chemicals present in the sample. 2020 is factory set
to display concentration in units of ppm or mg/m³.
2020 operates automatically. The meter display updates itself once
per second. You can read concentrations directly from the meter
display. If you are using the dilution probe (Part No. MX350013)
you must multiply the displayed reading by the dilution factor. See
Dilution Probe on page 101 for details.
2020 is always performing short term exposure limit (STEL), time
weighted average (TWA) and PEAK calculations. You can view
any of these results, but only one mode may be viewed at a time.