User's Manual

MG500-EU-EN v1.0 7/13
8
TheEnersave
TM
Mode
Enersave
TM
 mode conserves battery life by performing a relatively short test (10 seconds). The
Enersave
TM
 mode is the default test mode. To bypass this mode and run a longer test (100
seconds) press and hold
 the TEST button for 3 seconds when starting a test. Do not hold for
longerthan3secondsasaDARorPItestmaystartinsteadasexplainedinthenextsection.

DARandPITests(DAR:DielectricAbsorptionRatio)and(PI:PolarizationIndex)

Warning:Thecircuitundertestmustbecompletelyde‐energizedandisolatedbeforemaking
testconnections.

1. After turning the unit on, make sure that the Replace Battery messageis not displayed.If
theReplaceBatterymessageisdisplayedreplacethebatteriesbeforeproceeding.
2. The test voltage defaults to 2500V on power up. Select the desired test voltage using the
Voltage Adjust buttons (±500V) that step
 through the available test voltages in 500V
incrementsorbypressingoneofthepresettestvoltagebuttons(10kV,5kV,2.5kV,1Kv).
3. ThedisplayshowstheConnectLeadspromptalongwiththeselectedtestvoltagevalue.
ConnecttheGreen testleadtotheGreentestsocketonthemeter
andthentotheGround
sideoftheinsulatorundertest.
Connect the Red lead to the Red test socket on the meterand the Blue guard cable to the
bluesocketonthemeter.Connecttheserviceendofthe Redcableto othersideofthe
insulatorundertest.

IfaLeakage Guardleadisrequiretocollectsurfaceleakage,connecttheseparateBluetest
leadintotheBlueguardleadfromtheRedtestleadwhichispluggedintotheBluetest
socket on the meter and then clip the service end of the cable to the surface
of the
insulatorundertest.
4. Pressandhold
theTestStart/Stopbuttonforatleast5secondstotheinitiateDAR/PItesting
mode.
5. After1minute,theelapsedtesttimerappearsontheupperline(righthandside)ofthe
display.Theresistancereadingisshownontheupperlefthandsideofthedisplay.Thelower
lineshowsthetestvoltageandtheDARvalue.
6. After10minutes,thetestcompletes.Thedisplaywillshowtheresults:
R=(resistanceorOVERRforoverrange)
T=Hold,T=10:00,V=(testvoltage)
PI=(PIvalue)
DAR=(DARvalue)
7. To
takeanothertest,presstheTESTSTART/STOPbutton,theConnectLeadspromptshould
appearonthedisplay;theinstrumentisnowreadytorunanewtest.
