Novametrix Medical Systems OXYPLETH 520A, Руководство по обслуживанию

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Safety Testing
5-Jun-01 Model 520A Service Manual
63
PRELIMINARY
14.3.20
Set the TB500B Saturation to “0”. Verify a
Low Signal Strength
message is displayed.
14.3.21
Set the TB500B Saturation to “100”. Verify the error message clears and
a saturation and pulse value are displayed.
14.3.22
Press the TB500B Red Open button. Verify a
Probe Faulty
message is
displayed.
14.3.23
Release the Red Open button. Verify the error message clears and a
saturation and pulse value are displayed.
14.3.24
Press the TB500B Infrared Open button. Verify a
Probe Faulty
message is displayed.
14.3.25
Release the Infrared Open button. Verify the error message clears and a
saturation and pulse value are displayed.
14.3.26
Disconnect the TB500B from the saturation input connector. Verify a
Connect SPO2 Probe
message is displayed.
14.3.27
Set the current time / date. Press and hold the Menu softkey. Press the
Next softkey until
Monitor Options 2
appears. Press the Clock
softkey. Use the appropriate softkeys to set the correct Time, Mins, Day,
Month and Year.
14.3.28
Set the mains switch from“|” to “O”, verify the green LED on the front
panel goes out. Verify that the monitor continues to function on battery
power without interruption. Power down the monitor by pressing the
power button.
Safety Testing
14.4
14.4.1
Apply 1.5 KV for 60 seconds between the shorted hot and neutral leads of
the power cord and chassis ground.
14.4.2
Apply 4 KV for 60 seconds between the shorted hot and neutral leads of
the power cord and shorted saturation test jack.
14.4.3
Apply 1.5 KV for 60 seconds between the shorted saturation test jack and
the chassis.
14.4.4
Measure the leakage from chassis gnd. to ref. gnd. with the monitor;
-grounded
-ungrounded
-polarities reversed ungrounded
With the monitor grounded measure the leakage from shorted probe to
120VAC 60Hz