Model 

20

21

260

AC

AC/DC (Smart)

AC/DC, 1mA

True RMS

YES

Clamping diameter

25mm

25mm

13 mm

Autorange

YES

YES

YES

SMART function

YES

NCV detection

YES

Backlit LCD

YES

YES

LED Flashlight

YES

Measurement

Current

AC

Range

0.01 to 400.0 A

0.01 to 600.0 A

1 mA to 100.00 A

Accuracy

1.9% rdg + 5 dgts

1.9% rdg + 5 dgts

1.8% rdg + 5 dgts

DC

Range

1 mA to 100.00 A

Accuracy

1.8% rdg + 5 dgts

DCμA

Range

Accuracy

Voltage

AC

Range

0.1 to 600 V

0.1 to 600 V

0.01 to 300.0 V

Accuracy

1.2% rdg + 5 dgts

1.2% rdg + 5 dgts

1.2% rdg + 5 dgts

DC

Range

0.1 to 600 V

0.1 to 600 V

0.01 to 300.0 V

Accuracy

1% rdg + 3 dgts

1% rdg + 3 dgts

1% rdg + 2 dgts

Ohm

1 to 400 Ω

0.1 Ω to 6.000 MΩ

0.1 Ω to 500.0 kΩ

Hz

Current

1 Hz to 60.00 kHz

Voltage

1 Hz to 100.0 kHz

Continuity

< 25 Ω

< 25 Ω

< 120 Ω

Diode test

< 2 V+ Beeper

Capacitor

0.001 nF to 600.0 nF

0.001 μF to 600.0 μF

Temperature

Functions

Inrush

Peak

Hold

YES

YES

YES

Zero

YES

Min./Max.

YES

Auto power off

YES

YES

YES

Electrical safety rating

600V CAT III

600V CAT III

300V CAT III

Battery

2 x AAA 1.5V

2 x AAA 1.5V

2 x AAA 1.5V

Dimensions & Weight

203x75x32mm/262g

203x75x32mm/262g

220x72x35mm/ 210 g