AZI Customer Service 800-528-7411 or 602-470-1414
Page 34 of 61
AG Filter Check
The increased sensitivity of the Jerome
®
J405 requires the replacement of the AG filter (600-
0293) every 500 samples to ensure the accuracy of the readings. If your application will require
in excess of six (6) months to reach 500 samples, the AG filter should still be changed every six
months along with the other internal filters.
To check the AG filter:
•
Take 5 samples with Zero Air Filter (Z2600-3905) connected to front of instrument. Readings
should decrease with at least 3 of the 5 readings at 0.00 µg/m
3
. For maximum accuracy, wait
15 seconds between samples to allow the sensor to restabilize.
•
If readings are not 0.00 µg/m
3
, then the internal AG filter (600-0293) needs to be replaced.
After replacement, the new AG filter will need to be acclimated to the system by performing a
sensor regeneration followed by twenty (20) manual samples. See page
instructions.
•
The number of samples can be monitored by viewing the Sensor Stats within the
instrument:
From the MAIN Screen:
•
Press the RIGHT arrow button (
) to enter the main menu.
•
Press the DOWN arrow button (
) to move the cursor to
System
.
•
Press the RIGHT arrow button (
) to select
System
.
•
Press the DOWN arrow button (
) to move the cursor to
View Sensor Stats
•
Press
ENTER/START
to select
View Sensor Stats
on the System menu.
•
The screen will display Sensor samples on the last line.
After changing the AG filter, accuracy at 1.0 µg/m
3
may change from ±10% to ±20%, and
accuracy at 25 µg/m
3
and 100 µg/m
3
may change from ±5% to ±7%. RSD is unchanged.
CAUTION:
Internal filters contain Sofnolime™, Resisorb
®
, or AddSorb
®
VA13
. Used
filters will contain trace amounts of Mercury also. Use proper methods
when disposing of used filters. Call AZI Customer Service at 800-528-
7411, 602-470-1414, or e-mail [email protected] for a copy of the
Sofnolime™, Resisorb
®
or AddSorb
®
VA13
SDS or for other questions.
