Contents
1.Safetywarnings .....................................................................................1
2.Features ................................................................................................3
3.Specification ..........................................................................................4
4.Instrumentlayout ...................................................................................6
5.Measurementprinciple ..........................................................................7
6.Preparationformeasurement ................................................................9
7.Measuringmethod ...............................................................................10
7-1Normalmeasurementofcurrent ......................................................11
7-2MeasurementofBalanceleakagecurrent ......................................11
7-3Measurementofearthresistance ...................................................12
8.Otherfunctions ....................................................................................14
8-1Autopower-offfunction ..................................................................14
8-2 Dataholdfunction............................................................................14
8-3 Buzzerfunction ................................................................................14
8-4 Backlightfunction ............................................................................14
8-5 Memoryfunction ..............................................................................15
9.Batteryreplacement ............................................................................16
10.Service ................................................................................................17