TSI Instruments EVM SERIES, Руководство пользователя

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EVM Reports and Printing
EVM and Logging Settings
EVM Series User Manual
101
EVM Logging Parameters Table
Logging
Parameters Name Field
*Note: refer to Glossary for more detailed information
Logging
setup
To enable logging, click in the specific checkbox to enable one or all of the following
measurements:

Level : The instantaneous measurement at a specific point in time.

STEL : The maximum concentration above the time-weighted average that
employees can be exposed to over a specific time period (usually 15 minutes) no
more than four (4) times per day. (See PEL for more information.)

Max: The maximum measurement over the time interval (or logging interval).

Min: The minimum measurement over the time interval (or logging interval).

Avg: The measurement value over the time interval (or logging interval).
Logging rate Logging rate/interval (also called time history data) sets the frequency at which data
will be logged during a session. The settings include: 1, 5, 15, 30 seconds and 1, 5,
10, 15, 30, and 60 minutes.
Averaging
time A type of data filtering which is applied to the Level measurement. The selectable
parameters are 1-30 seconds.
Figure 6-9: Logging EVM setups
EVM and Auto-Run Setting
The EVM has four programmable auto-run settings including a timed run, a date, a day of week (DOW),
and a disabled mode.
The following Auto-Run settings are briefly explained below:

Timed-Run mode : With Timed Run, the EVM is powered on and run is enabled. The EVM will
automatically stop based on the programmed duration.
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