alligator clip of the test leads connected. The indicator should read
00.0Ω. When the leads are not connected the display will read
infinity indicated by “OL”. This w ill ensure that test lead are under
workingcondition.
2-4RotarySwitchpositions
Turn the Testeron by selecting any measurement
Lift ＜1000v,500v,250v,125v (4000MΩ)
OFF 400Ω/BZ,1000VDC,750VAC ＞Right
2-5 Buttons and a displayIndicators
a).Button
HOLD/MAX.MIN: Instant-pressingthe“HOLD”button the 1sttime,
the currentvalues willbe hold in the primary display.,but itwill return
in the 2nd pressing ; pressing 2seconds ,itwill enter directly into the
“MAX”status,andoneanother instant-pressingwillswitchtothe
“MIN”, if instant-pressingoncemore,it willrecycle,butexitif
pressing2 seconds again.
LOCK :In theinsulation resistance testingfunction,press the
“LOCK”button ,and then pushdown the“TEST”key, itw ill occur the
high-voltage andenter theinsulation resistance testingstatus. Press
the “TEST”button once more ,it willshutoff thehigh-voltageandexit
fromthe insulation resistancetestingstatus.
TEST : In theinsulation resistancetestingfunction,pressingand
holding the “TEST”button,The meter willbringhigh-voltage,and
enterinto the insulation resistancetesting,beingfreefromthe
“TEST”, it willcutoffthehigh-voltageandexitformtheinsulation
resistancetesting.
ZERO/LIGHT :Iinstant-pressingthe “ZERO/LIGHT”button in the 1st
time, the currentvalues inthe primary display w illbeset
zero,(mainly usedfor 400Ω,the low resistancetesting),,itwillreturn
