Rae MultiRAE PLUS PGM-50, Руководство по эксплуатации и обслуживанию

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OPERATION OF MULTIRAE PLUS
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6) The TWA reading is the accumulated reading of the gas
concentration divided by 8 hours since the monitor was
turned on. The reading is updated once a minute and is
shown in the LCD display with “TWA” message. This
reading applies to VOC and toxic gases only.
TOX1 VOC TOX2
0 0.0 0
TWA
LEL OXY
7) The
battery voltage
reading is the current battery
voltage in volts. The reading is updated once per second
and is shown in the LCD display. The shut down voltage
is also shown. Note: A fully charged battery pack
should show 4.8 volts or higher. When the battery
voltage falls below 4.4 volts, a flashing “Bat” will appear
as a warning message. This means there is 20-30
minutes run time left before the monitor will be turned
off automatically, when the battery voltage falls below
4.2 volts.
TOX1 VOC TOX2
Battery = 4.8 V
Shut down at 4.2 V
LEL OXY