GE MEDICAL SYSTEMS
2127661
LOGIQ 400 SERVICE MANUAL
7–15 PERIODIC MAINTENANCE
REV 5
7–3–4 Probe Leakage Current Test (Continued)
Data Sheet for Transducer Source Leakage Current
Follow the foregoing test procedure for every transducer. The test passes when all readings measure less than the
value shown in the table below (TABLE 7–4).
TABLE 7–4
MAXIMUM ALLOWANCE LIMIT FOR PROBE LEAKAGE CURRENT
COUNTRY NORMAL OPEN REVERSE OPEN
CONDITION GROUND POLARITY NEUTRAL
USA 0.01mA 0.01mA 0.01mA 0.01mA
OTHERS 0.01mA 0.05mA 0.05mA 0.05mA
COUNTRY NORMAL OPEN REVERSE OPEN
CONDITION GROUND POLARITY NEUTRAL
USA 0.05mA 0.05mA 0.05mA 0.05mA
OTHERS 0.1mA 0.5mA 0.5mA 0.5mA
1. Type BF Applied Part Leakage Current Limits
[Non–conductive (floating) Surface and Cavity Transducers]
2. Type CF Applied Part Leakage Current Limits
[Surgical Transducer and ECG Connections]
CAUTION
Equipment damage possibility. Never switch the Polarity and the status of Neutral when the
unit is powered ON. Be sure to turn the unit power OFF before switching them using the PO-
LARITY switch and/or the NEUTRAL switch. Otherwise, the unit may be damaged.
TABLE 7–5
DATA SHEET FOR TRANSDUCER SOURCE LEAKAGE CURRENT
LOGIQ 400 Tester Power Tester GROUND or Measurement
Unit Power POLARITY Switch NEUTRAL Switch
ON NORM OPEN
ON NORM CLOSED
ON REV OPEN
ON REV CLOSED
OFF NORM OPEN
OFF NORM CLOSED
OFF REV OPEN
OFF REV CLOSED
Transducer tested:
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