KYORITSU 4140 User Manual

Page 21

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7.3.3 Contents displayed on Sub Display

LOOP test results are displayed as illustrated below. Results

displayed on the LCD are dependent on the selected function.

Pressthe“DISP”Switchtotogglethetestresultsdisplayedonthe

SubDisplay.











Fig.7-7

ContentsdisplayedonSubDisplay

Function

(A)

Contents

displayed on Sub

Displayaftertests

(B)

(C)

L-PE

ATT ON

PFCValue

L-NLOOP

Value

PSCValue

Back to (A)

L-PE

ATT OFF PFCValue

Push

L-NLOOP

Value

Push PSCValue Push Back to (A)

L-N/L-L PSCValue

L-NorL-L

Voltage

Back to (A)

●If the display shows '>' then this usually means the value

measured exceeds the range.

●MeasurementinL-PEATTONfunctionrequireslongertimethan

that is required for the other measurements (approx. 7 sec).

Whenmeasuringacircuitwithalargeelectricalnoise,the'Noise'

MessageisdisplayedontheLCDandthemeasurementtimewill

beextendedto20sec.Ifthe'NOISE'symbolisdisplayedonthe

LCD,itisrecommendedtomakemeasurementinL-PEATTOFF

function.(RCDsmaytrip).

●Ifanimpedanceof20ΩormoreismeasuredbetweenL-Nduring

measurements in L-PEATT ON function,“

L-N>20Ω”is displayed

on the LCD and no measurement can be made. In this case,

select L-PEATT OFF function and make measurement. RCD

maytripwhenperformingatestatL-PEATTOFFfunction.

●Whenalargecontactvoltageexistsinthecircuitundertest,“n-E

Hv

”isdisplayedontheLCDandnomeasurementcanbemade.In

thiscase,selectL-PEATTOFFfunctionandmakemeasurement.

RCDmaytripwhenperformingatestatL-PEATTOFFfunction.

●Ifthesymbol( )appears, this means that the test resistor is too

hot and the automatic cut out circuits have operated. Allow the
instrument to cool down before proceeding. The overheat circuits
protect the test resistor against heat damage.

Sub Display

Main Display

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