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4-32 250cx Series Maternal/Fetal Monitor Revision C

2036947-001

Maintenance: Testing the Tocotransducers

Uterine Activity Ramp

Testing the Tocotransducers

CAUTIONS

LEAKAGE TEST—Perform a leakage and dielectric test on the

tocotransducer per applicable standards.

FUNCTIONAL TEST—Perform a functional response test on the

tocotransducer. Inspect a Nautilus Tocotransducer as follows:

1. Check for any cracks or contaminants on the tocotransducer especially on the

diaphragm located on the bottom of the tocotransducer. Visibly inspect the

condition of the cable, strain relief, and connector pins.

2. Connect the tocotransducer to the UA input connector on the front panel of the

250cx Series Monitor.

IMPORTANT

TRIMLINE TOCOTRANSDUCER—If you are using an older Trimline

tocotransducer for this test, be advised of the following. If the monitor is on

when you connect or re-connect a Trimline Tocotransducer to the UA

connector, you must wait at least 10 seconds before pressing the UA

Reference button. If the monitor is off, you must wait at least 10 seconds

from the time the monitor is powered on.

3. Access the

Install Options Screen 2

and note the

Default TOCO Reference

setting. Exit

the service mode by selecting

Restart

at the bottom of the screen.

4. Momentarily depress the monitor’s UA Reference button. Verify the following:

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