Amprobe ACD-20SW Swivel™ Clamp Meter with VoltTect™

(3 customer reviews)

  • 180 degree rotating head for the perfect display viewing
  • Advanced VoltTect™ non-contact voltage detection
  • Slim jaw design with one hand operation
  • Measures AC current up to 400 AC A, AC/DC voltage up to 600V, resistance and capacitance
  • Audible continuity
  • Temperature measurement
  • Audible continuity
  • Auto power off
  • Auto and manual ranging respectively for quick checks and precise measurements
  • Data hold
  • Diode test
  • Accommodates conductors up to 1.18 (30 mm) in diameter
SKU: 3472723 Category:


Amprobe’s new ACD-20SW Swivel™ Clamp Meter features a patented 180-degree rotating head clamp design allowing easy views of measurements in tight or inconvenient to reach places.

Simply rotate the body of the clamp meter to get an unobstructed view of the LCD display. Feature rich, measuring AC/DC currents, voltage, resistance and capacitance as well as CAT III 600 V safety ratings make this clamp on meter something you should swivel to see.

Additional information

Safety Rating


AC Voltage (V)

600 V

DC Voltage (V)

600 V

AC Current (A)

400 A


Relative Zero

Diode Test

Continuity Beeper

Non-Contact Voltage


Data Hold

Auto Power-Off


AC Current 40.00 A , 400.0 A +/- (2.0 % rdg + 10 dgts)
50 Hz → 60 Hz
AC Voltage 4.000 V, 40.00 V, 400.0 V, 600.0 V +/- (1.2% rdg + 8 dgts)
→ 400 V Hz
DC Voltage 400.0 mV, 4.000 V, 40.00 V, 400.0 V, 600.0 V +/- (0.5% rdg + 2 dgts)
Resistance 400.0 ?, 4.000 k?, 40.00 k?, 400.0 k?, 4.000 M?, 40.00 M? +/- (1.0% rdg + 4 dgts) at 400 ? → 400 k? ranges
Capacitance 4.000 µF, 40.00 µF,
400.0 µF, 4,000 µF
4.000 µF, 40.00 µF,
400.0 µF, 4,000 µF
+/- (3.0 % rdg + 15 dgts)
on 40 µF → 400 µF ranges
Temperature -30 °F → 400 °F -35 °C → 400 °C -30 °F →400 °F, (-35 °C → 400 °C) +/- (1 % + 2 °F) -4 °F → 400 °F
+/- (1 % + 1 °C) 0 °C → 200 °C
Diode test
VolTect™ non-contact voltage detection 70 V → 600 VAC (50 Hz → 60 Hz)
Accommodates conductors Up to 1.18″ (30 mm) in diameter
Display: 3¾ digit liquid crystal display (LCD) with a maximumreading of 3999
Polarity: Automatic, positive implied, negative polarityindication
Overrange: (OL) or (-OL) is displayed
Zero: Automatic
Measurement rate: 2 times per second, nominal
Accuracy: Stated accuracy at 74°F ±8°F, <75% relativehumidity.
Jaw opening capability: 30mm (1.18 in) conductor.
Power: 1.5 volt battery x2, R03/SIZE AAA.
DC volts ranges: 400mV, 4V, 40V, 400V, 600V
Accuracy: ±(0.5% rdg + 2 dgts)
AC Volts (50hz – 500hz) ranges: 4V, 40V, 400V, 600V
Accuracy: ±(1.2% rdg + 5 dgts) ±(1.5% rdg + 5 dgts) on 600V range
AC Current (50hz – 60hz) ranges: 40A , 400A
Accuracy: ±(2.0% rdg + 6 dgts) 50 ~ 60Hz
Resistance ranges: 400O, 4kO, 40kO, 400kO, 4MO, 40MO
Accuracy: ±(1.0% rdg + 4 dgts) on 400O to 400kO ranges
Accuracy: ±(1.5% rdg + 4 dgts) on 4MOrange
Accuracy: ±(3.0% rdg + 5 dgts) on 40MO range
Continuity range: 400O
Diode test current: 1.2mA (approximate)
Accuracy: ±(3.0% rdg + 3 dgts)
Non-contact voltage indicator: Sense voltage 70V to 600VAC (50Hz ~ 60Hz) beeper chirps and big bright red LED comes on, works when meter dial is on any ranges.

For complete specs please download the product datasheet under the “Resources” tab.


Swivel Clamp Meters

Measure in tight spots with Amprobe Swivel Clamp Meters.

What’s Included

  • ACD-20SW
  • Test leads
  • Battery (installed)
  • Carrying case


Datasheet »
Product Manual »

3 reviews for Amprobe ACD-20SW Swivel™ Clamp Meter with VoltTect™

  1. SOSparky

    No more handstands at the panel!

    The swivel clamp meter is an idea long overdue. I have stood on my head for the last time trying to take a reading without tickling the hot leads in a tight panel or crammed pull box.
    The LCD read out is large and clear for the shadowy places we wind up and the clamp is agile enough to weave through a tangle of conductors of almost any size. Its also good for left or right sides when all the contractor gave you was the minimum 30″ wide clearance.
    If I was adding anything, it would be a backlit LED or LCD readout and up it to 1000V capacity. Sometimes 600s aren’t 600!

    ✔ Yes, I recommend this product.

  2. bbbob84

    ACD-20SW Superior Amprobe Quality

    Well engineered. Full of features. Suits my needs. Amprobe quality as always.

    ✔ Yes, I recommend this product.

  3. Mln66

    Simple to Use

    Simple to use and fast. The swivel makes it easy to use.

    ✔ Yes, I recommend this product.

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