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Electrical Safety Inspection

A-7

ELECTRICAL SAFETY INSPECTION

5- Earth Leakage Test

OVERVIEW

Run an Earth Leakage test on the device being tested before performing any other leakage

tests.

Leakagecurrentismeasuredthefollowingways:

♦EarthLeakageCurrent,leakagecurrentmeasuredthroughDUToutletEarth

♦EarthLeakageCurrentAP‐EARTH(ALLAppliedPartsconnectedtoEarth),leakagecurrent

measuredthroughDUT

outletEarth

There is no need to attach a test lead; the 601PRO automatically connects the measuring

deviceinternally.

TEST PROCEDURE

 Perform the Test

1) FromtheMAINMENU,orwiththe outletunpowered,plugtheDUTinto the601PROfront

paneloutlet,andturnonthedevice.

2) Attachthedevice'sappliedpartstothe601PROappliedpartterminalsifapplicable.

3) Press shortcut key 4.The Earth Leakage test appears on the display, and

 the test begins

immediately:



¾ SOFTKEY1togglestheDUToutletPolarityfromNormaltoOfftoReverse.

¾ SOFTKEY2togglestheDUToutletfromEarthtoNoEarth.

¾ SOFTKEY3togglestheDUToutletfromL2toNoL2.

¾ SOFTKEY4togglestheAPtoEarth

toNoAPtoEarth.

4) Presstheprintdatakeyatanytimetogenerateaprintout ofthelatestmeasurement.

 Failure

Check any broken of the AC/DC adapter and its cable. Replace a new one if any portion

defective.

Checkanybrokenoftheenclosure.Replaceanydefectivepart.

Inspectwiringforbadcrimps,poorconnections,ordamage.

Testthewalloutlet;verifyitisgroundedandisfreeofotherwiring

abnormalities.Notifythe

Mindray DP-9900 User Manual

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