
ii
Contents
3.4 Checking Continuity ............................... 36
3.5 Measuring Diode (DT4222, DT4224) ...... 37
3.6 Measuring Resistance
(DT4222, DT4223, DT4224) ..................... 38
3.7 Measuring Capacitance
(DT4222, DT4224) .................................... 39
3.8 Checking the Electric Charge
(DT4221, DT4223) .................................... 40
4 Using Instrument Conveniently 41
4.1 Selecting the Measurement Range........ 41
Measuring with the auto range ...........................41
Measuring with the manual range.......................42
4.2 Retaining the Measured Value ............... 43
Retaining the measured value manually
(HOLD) ...............................................................43
Automatically retaining the measured value
when the value stablizes (AUTO HOLD)
(DT4223, DT4224)..............................................44
4.3 Reducing the Noise (FILTER)................. 46
4.4 Checking the Relative Value/
Performing Zero Adjustment.................. 48
Checking the relative value (REL) ......................48
Performing zero adjustment................................49
4.5 Turning On the Backlight........................ 51
4.6 Using the Auto Power Save (APS)......... 51
4.7 Power-on Option Table ........................... 52
5 Specifications 55
5.1 General Specifications ........................... 55
5.2 Electrical Characteristics ....................... 57
5.3 Accuracy Table........................................ 59