AZI Customer Service 800-528-7411 or 602-470-1414
Page 25 of 61
Survey Mode
The survey mode takes samples and displays the result every 2
seconds automatically. Use this
mode to locate mercury spills or to assess areas of potentially high mercury concentrations.
Sampling in the survey mode is not as accurate.
•
Press the power
I/O
button.
•
The display will light up and show the instrument serial number and software revision.
If necessary, press
ESC
to clear any calibration reminders.
Next, the digital meter displays 0.00 μg/m
3
. If the battery meter is empty and flashing,
To ensure the instrument's electronics have stabilized, allow a 5-minute warm up
before beginning the next step.
•
From the Main Screen, press ► to enter the Main Menu.
•
From the Main Menu, select the Sample menu.
•
Scroll through the Sample menu to Survey Mode.
•
Press
ENTER/START
to select Survey Mode and begin sampling.
The instrument performs a 2-second purge of the flow system, and then begins survey
mode sampling.
The display updates the measured concentrations at the end of each 2-second sample
cycle.
NOTE: Approximately 65 samples at
100 μg/m
3
may be taken before a sensor regeneration is
required.
The pump will continue to run and the display will update with a new mercury
concentration reading every 2 seconds.
Press any button to stop survey mode sampling and perform a final purge of the flow
system.
The instrument remains in the survey mode until one of the following occurs:
A button is pressed on the keypad.
The sensor is saturated
A low battery signal is encountered
The instrument is turned OFF.
The final survey value remains displayed on the main screen until the next sample is
taken.
Press the power
I/O
button to turn the instrument off when not in use.
