Users Manual• Mode d’emploi• Bedienungshandbuch• Manual d’Uso• Manual de usoACD-20SW/ACD-21SW Digital Clamp Meter

6Capacitance Measurement (ACD-21SW only)When testing a capacitor that is part of a circuit, if “dS.C” is displayed on the screen, a voltage is present

7Diode Testing (ACD-20SW)1. Set the Function Swith to “  “ position.2. Connect the red test lead to the “Ve” jack and the black test lead to the “COM

8Auto Power off1. Auto power off: approx. 10 minutes.2. After auto power off, press any button to restart the meter, and the reading of measurement wi

9DC VoltsRanges Resolution Accuracy400mV, 4V, 40V, 400V, 600V 0.1mV ±(0.5% rdg + 2 dgts)Input impedance: 400mV: >100Me; 4V: 10Me; 40V ~ 600V: 9.1Me

10Capacitance (ACD-21SW only)Ranges Resolution Accuracy4μF 1nF ±(3.0% rdg + 15 dgts)40μF, 400μF 1nF ±(3.0% rdg + 5 dgts)4mF 1nF ±(5.0% rdg + 20 dgts)M

11Diode Test (ACD-20SW only)Test current: 0.8mA (approximate)Accuracy: ±(3.0% rdg + 3 dgts)Resolution: 10mVOpen circuit volts: 3.0Vdc typicalAudible i

12ACD-20SWFig.3 Measuring AC Current Fig.4 Measuring CapacitanceFig.2 Measuring AC VoltageFig.1 Measuring DC Voltage

13ONONONONONONOFFOFFOFFOFFOFFOFFOFFOFFOFFOFFOFFOFFFig.7 Non-Contact voltage (NCV) MeasurementFig.6 Measuring TemperatureFig.5 Measuring Re

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ACD-20SW/ACD-21SW Digital Clamp MeterUsers ManualJuly 2009, Rev.1©2009 Amprobe Test Tools.All rights reserved. Printed in TaiwanEnglish

Limited Warranty and Limitation of LiabilityYour Amprobe product will be free from defects in material and workmanship for 1 year from the date of pur

1415891312111412765438912111012765431. Current Jaws2. Jaw Opening Lever3. NCV LED indicator4. Function Selector Knob5. Range push button selector6. LC

1CONTENTSSYMBOLS ...5 Safety Information...

2SYMBOLSBatteryWRefer to the manualTDouble InsulatedJEarth GroundBAlternating CurrentIFuseFDirect CurrentPComplies with EU directives,Application aro

3• Inspect the Clamp meter, test leads and accessories before every use. Do not use any damaged part.• Never ground yourself when taking measurement

4UNPACKING AND INSPECTIONYour shipping carton should include: 1 ACD-20SW or ACD-21SW Swivel Clamp Meter 1 Set of Test leads 1 Soft Carrying Case

5OPERATIONHOLD ButtonData hold freezes the reading present on the LCD at the moment the button is pressed.To use this menu feature, set up the meter f