KYORITSU 4116A - Operating Instructions; Initial Checks

― 8 ―
5.OPERATINGINSTRUCTIONS
5.1InitialChecks
-Tobecarriedoutbeforeanytesting.
(1)TestLeadConnection
Insertthe lead pluginto the connector onthe instrument correctly as
shownbelow.
(2)WiringCheck
Beforepressingthe"TestButton"alwayschecktheLED'sforthe
followingsequence:
P-EGreenLEDmustbeON
P-NGreenLEDmustbeON
RedLEDmustbeOFF
CAUTION
●Alwaysinspectyourtestinstrumentand leadaccessoriesfor
abnormalityordamage. Ifabnormalconditions existDONOT
PROCEEDWITHTESTING.
LeadPlug
Fig.5
● OperatingErrorofLoopImpedance(61557-3)
Range
20Ω
200Ω
2000Ω
Measuringrangetokeep
operatingerror
0.20〜 19.99Ω
20.0〜 199.9Ω
200〜 1999Ω
Maximumpercentage
operatingerror
±30%
Theinfluencingvariations used for calculatingtheoperating error are
denotedasfollows:
Temperature：0℃ and40℃
Phaseangle：Ataphaseangle0゜to18゜
Systemfrequency：49.5Hzto50.5Hz
Systemvoltage：230V+10%-15%