Dickey-John GAC500XT, Operator'S Manual

Page: 26 / 39

OPERATOR’S MANUAL
NULL TEST, 5KHZ, AND 2MHZ TESTS
Choose the appropriate test to be run and press the Enter button. A voltage
measurement and count will be displayed (Figure
29). To return to the Cell
Test screen, press the Escape (ESC) button.
ENTER
Enter button
Figure 29
Example Of Null Test
Null
Count: 01506
Volts: 0.0499
SELF CHECK TEST
During the self check test, ensure the cell is empty. SCD2 and SCD1
measurements will be displayed.
SCD2 should measure 2500 +/- 20 counts.
SCD1 should measure 375 +/- 20 counts.
If these measurements are out of range, clean the cell (refer to CLEANING
AND CARE) and repeat testing once the cell is cleaned. If measurements
are out of range after cleaning, contact your distributor or DICKEY-john
Service Department at 1-800-637-3302. Outside of the U.S., contact
DICKEY-john Europe at 00 33 (0) 1 41 19 21 80.
Choose the SELF CHECK option from the Cell Test screen. Press the
Enter button. The self check will automatically begin and the results will be
displayed (Figure
30). To return to the Cell Test screen, press the Escape
(ESC) button.
Figure 30
Self Check Screen
ESC
Escape button
Self Check
SCD2
2500.3
SCD1: 377.9
24 DIAGNOSTICS
GAC500XT
11001-1352-200510