Tocotransducer Test - GE Corometrics 170 Series Service Manual

Tocotransducer Test

Revision C
Functional Checkout Procedure: Tocotransducer Test
1. Inspect a Nautilus tocotransducer as follows:
Check for any cracks or contaminants on the tocotransducer especially on
the diaphragm located on the bottom of the tocotransducer.
Visibly assess the condition of the cable, strain relief, and connector pins.
2. Connect the tocotransducer to the
170 Series Monitor.
3. Access service setup mode and note the default TOCO reference setting.
4. Exit the service setup mode.
5. Press the monitor's
IMPORTANT
TRIMLINE TOCOTRANSDUCERS—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
seconds before pressing the
is off, you must wait at least 10 seconds from the time the monitor
is powered on.
6. Momentarily press the monitor's
following:
The UA value shows the default setting.
The recorder prints the messages
paper.
7. Apply gentle pressure to the tocotransducer diaphragm and verify that the UA
value responds to the pressure input. Increasing force should produce an
increasing value and vice versa.
8. Remove the tocotransducer from the monitor's
following on the monitor:
The UA value is blank.
The recorder stops printing the uterine activity trace.
The recorder prints the message
chart paper after approximately 20 seconds.
170 Series Monitor
2000947-004
input receptacle on the front panel of the
UA
button to turn the monitor back on.
Power
connector, you must wait at least 10
UA
UA Reference
UA Reference pushbutton
and
UA REF
on the center margin of the strip
UA INOP
button. If the monitor
. Verify the
on the strip chart
TOCO
input receptacle. Verify the
UA
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