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Gas-settings information (alert and alarm setpoints and calibration gas concentrations for the installed
sensors).
Assignment information (the company, user, and site assigned to the instrument).
Utilities
Utilities give the instrument operator opportunities to complete maintenance procedures, which may
include:
Zero the installed sensors and optionally calibrate the instrument.
Bump test the installed sensors.
View and optionally clear the peak readings.
View and optionally clear the TWA readings.
View and optionally clear the STEL readings.
Note:
When a reading is cleared, its value is reset to zero and its time-related setting is also reset to zero.
Figure 5.3 (below) describes and illustrates how to access information and utilities. Available options will
vary based on instrument settings. The sample display screens shown here feature 3-, 4-, and 5-gas
formats.
Home
LENS Wireless peer list
LENS Wireless peer list
Peer Readings
—
—
Next
display
screen
Next
display
screen
Highlight
"Back"
Scroll list
Select highlighted
option
Next
display
screen
Assignment information
Docking information
Calibration information
Span reserve percentage
is an indicator of a sensor's
remaining life. When the value is
less than 50%, the sensor will no
longer pass calibration.
—
Next
display
screen
Next
display
screen
View span
reserve
percentage
values
Next display
screen
View span
reserve
percentage
values