61-101-00802.EF2 (REV. G) CH. 2
January 7, 2015 Page 17 of 44
Figure 8 Capacitance Test 1900C / 1900D, UC and UE Individual Probes
D. Test Procedure
(1) Rotate the Probe Selector Unit switch to ALL.
(2) Set the T/S switch to ON.
(3) Press and hold in the PRESS TO READ CAP (pF) pushbutton.
(4) Verify that the value shown is within tolerances specified in Table 4,
Table 5 (for empty tanks) or Table 6, or Table 7 (for full tanks).
(5) Release the pushbutton.
Note: The following values are valid as of this publication’s release
date and provided as reference. Refer to the Aircraft
Maintenance manual for actual test values.