18
Parts Names and Functions
Rotary switches and measurement descriptions
1
3
4
5
6
7
2
2
5
3
4
6
DT4211
(Average value
measurement model)
DT4212
(True RMS
measurement model)
Function
DT4211 DT4212
1
2
AC voltage and frequency
measurement
DC voltage measurement
3
Resistance measurement
Diode test
Continuity check
4
Electrostatic capacity
5
Frequency and duty ratio
measurement
6
DC (A) measurement/AC (A)
measurement
DC (mA) measurement/AC (mA)
measurement
DC (A) measurement/AC (A)
measurement
7
Temperature measurement -