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Electrical Safety Inspection

A-6

ELECTRICAL SAFETY INSPECTION

4- Protective Earth Resistance

3) Pressshortcutkey3.TheProtectiveEarthResistancetestisdisplayed.

4) Press SOFT KEY 3 to select a test current (1AMP, 10AMP, or 25AMP). The selected test

currentisdisplayedintheupperrightcornerofthedisplay.



5) Press START TEST to start the test. The test currentis applied while resistance and current

readingsaretaken.Thistak esapproximately5seconds.

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

 Note

When"Over"isdisplayedforOhms,thissignifiesthatavalidmeasurementwasnot

obtainedbecauseeitheranopenconnectionwasdetectedorthatthemeasurementwasnot

withinrange.Readingsgreaterthan9.999OhmswillbedisplayedasOver.

 Failure

Onceitreachesthelimitation,stopusingandinformtheCustomer ServiceEngineerforanalysis

anddisposal.

LIMITS

ALLCOUNTRIESR=0.2ΩMaximum

Mindray DP-9900Plus User Manual

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