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AR1200VIEW
CARDIOLINE
®
is an et medical devices SpA brand
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5.4 Testing the paper feed rate
switch on the device and connect the patient cable;
connect terminals C1 C6 of the patient cable to the positive pin of instrument 5.1.a);
connect all the other cable terminals to the negative pin of instrument 5.1 a);
using the instrument with a square wave of 1 Hz and an amplitude of 1 mVpp;
record the signal on leads V1 V6;
measure the length of the wave cycle recorded on the paper.
The results should be as follows:
Period = 50 mm +/- 5% for a feed rate of 50 mm/s;
Period = 25 mm +/- 5% for a feed rate of 25 mm/s;
Period = 5 mm +/-10% for a feed rate of 5 mm/s;
5.5 Frequency response test
switch on the device and connect the patient cable;
connect terminals C1 C6 of the patient cable to the positive pin of instrument 5.1.a);
connect all the other cable terminals to the negative pin of instrument 5.1 a);
set the sine wave generator to 10Hz with an amplitude of c. 1mVpp;
select leads V1 V6 and a sensitivity of 10 mm/mV.;
make a recording and adjust the amplitude of the generator so as to obtain a 10 mm excursion of the signal recorded;
vary the generator frequency from 0.5Hz to 100Hz with constant amplitude;
check that the frequency response is in accordance with the values in table 5.5.
