MSA altair 5, Руководство по эксплуатации, Страница: 11 / 221

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MSA DESCRIPTION
ALTAIR 5 - Operating Manual
11
The instrument monitors gases in ambient air and in the workplace.
The ALTAIR 5 is available with a maximum of four sensors, which can
display readings for five separate gases (one Dual Toxic Sensor provides
both CO and H
2
S sensing capabilities in a single sensor).
The detector is available in a diffusion or pumped configuration. When
using the pump instrument, do not remove the pump cap (item 4 on figure
2-1).
The ALTAIR 5 IR is available with a maximum of five sensors, which can
display readings for six separate gases (one Dual Toxic Sensor provides
both CO and H
2
S sensing capabilities in a single sensor).
The ALTAIR 5 and ALTAIR 5 IR detectors are available with either a
monochrome or color display.
While the instrument can detect up to 25 % oxygen in ambient air, it is
approved for use only up to 21 % oxygen.
The alarm levels for the individual gases are factory-set and can be
changed through the instrument Setup Menu. These changes can also be
made through MSA Link
TM
Software. Ensure that the latest version of the
MSA Link
TM
software has been downloaded from MSA’s website
www.msanet.com.
2.2. Device Hardware Interfaces
Instrument operation is dialog driven from the display with the aid of the
three function buttons (see Figure 2-1).
2.2.1 Button Definitions
The ALTAIR 5 and ALTAIR 5 IR uses three buttons for user operation.
Each button can function as a "soft key", as defined immediately above the
button.
Button Description
The button is used to turn instrument ON or OFF and to confirm
user action selections.
The Button is used to page down through data screens or to
decrease the values in Set-up mode.
Holding this button for 3 seconds while in Normal Measure Mode
will activate
the InstantAlert
TM
alarm.
The button is used to reset peak, STEL TWA and alarms
(where possible) or perform calibration in measuring mode. It is
also used as page up or to increase the values in set-up mode.
When the button and the button are pressed simultaneously while in
normal measure mode, the Options Setup Mode displays.