Contents
1
.Safetywarnings .............................................................................................
1
2
.Features ..........................................................................................................
3
3
.Specification ..................................................................................................
4
4
.Instrumentlayout ...........................................................................................
6
5
.Measurementprinciple...................................................................................
7
6
.Gettingstarted.................................................................................................
9
7
.Measuringmethod ......................................................................................
10
7
-
1
Normalmeasurementofcurrent ..........................................................
11
7
-
2
Measurementofbalanceleakagecurrent .........................................
11
7
-
3
Measurementofearthresistance ........................................................
12
8
.Otherfunctions ............................................................................................
13
8
-
1
Autopower-offfunction ........................................................................
13
8
-
2
Dataholdfunction .................................................................................
13
8
-
3
Buzzerfunction ......................................................................................
13
8
-
4
Backlightfunction ...................................................................................
13
8
-
5
Memoryfunction .....................................................................................
14
8
-
6
BluetoothCommunicationFunction(KEW
4202
only).......................
15
9
.Batteryreplacement ....................................................................................
17
10
.PairingwithBluetoothcompatibledevices(KEW
4202
).........................
18
11
.FeaturesofKEWSmart(KEW
4202
) .........................................................
19
