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Amprobe® Test Tools www.Amprobe.com
Data Sheet
Swivel Clamp Meter
New patented rotating head clamp design allows easy viewing of
the measurements in tight or inconvenient to reach places. Simply
rotate the body of meter to get an unobstructed view of the LCD
display. Reach set of features and CAT III 600V safety reading for
use in electrical and HVAC applications.
ACD-21SW
n 180 degree rotating head for the perfect display viewing
n Advanced VoltTect non-contact voltage detection
n Slim jaw design with one hand operation
n Measures AC Current up to 400 ACA, AC/DC Voltage up to
600V, Resistance and Capacitance
n Temperature measurement
n Audible continuity
n Auto and manual ranging respectively for quick checks and
precise measurements
n Auto power off
n Data hold
n Accommodates conductors up to 1.18” (30mm) in diameter
n Safety CAT III 600 V
n Test leads, battery (installed), Users Manual, Carrying Case
and type-K thermocouple are included with the product
Amprobe® Test Tools www.Amprobe.com
Data Sheet
Display 3¾ digit liquid crystal display (LCD) with a maximum reading of 3999.
Polarity Automatic, positive implied, negative polarity indication.
Overrange (OL) or (-OL) is displayed.
Zero Automatic.
Low battery indication The “ “ is displayed when the battery voltage drops below the operating level.
Auto power off Approx. 10 minutes.
Measurement rate 2 times per second, nominal.
Operating Environment 0°C to 50°C / 32°F to 122°F at <70% relativehumidity.
Storage Ttemperature -20°C to 60° / -4°F to 140°F, 0 to 80% R.H. withbattery removed from meter.
Accuracy Stated accuracy at 74°F ±8°F, <75% relative humidity.
Temperature Coefficient 0.1 × (specified accuracy) per °F, (32°F to 66°F, 82°F to 122°F).
Altitude 6561.7 Feet (2000m).
Jaw opening capability 30mm (1.18 in) conductor.
Power 1.5 volt battery x2, R03/SIZE AAA.
Isolated battery compartment.
Battery life 150 hours typical with carbon-zinc. 300 hours typical with alkaline.
Dimensions 306 × 135 × 30mm (12 × 5.3 × 1.2 in).
Weight Approx. 157g (1.26lb) including battery.
Safety Designed to meet IEC 61010-1 (EN61010-1) and IEC 61010-2-032 (EN61010-2-032), CATIII 600V class II
and pollution degree 2 indoor use comply with CE , UL
ACD-21SW Swivel Clamp Meter
DC Volts
Ranges 400mV, 4V, 40V, 400V, 600V
Resolution 0.1mV
Accuracy ±(0.5% rdg + 2 dgts)
Input Impedance 400mV:>100MΩ; 4V:10MΩ;40V~600V:9.1MΩ
Overload Protection 600VDC or AC rms To measure millivolts, use “RANGE “ button to manually select 400mV range.
AC Volts (50Hz - 500Hz)
Ranges 4V, 40V, 400V, 600V
Resolution 1mV
Accuracy ±(1.2% rdg + 5 dgts)
±(1.5% rdg + 5 dgts) on 600V range
Input Impedance 4V:10MΩ;40V~600V:9.1MΩ
Overload Protection 600 VDC or AC rms
AC Current (50Hz - 60Hz)
Ranges 40A , 400A
Resolution 0.01A
Accuracy ±(2.0% rdg + 6 dgts) 50 ~ 60Hz
Overload Protection 400A AC
Electrical Specifications
General Specifications
Amprobe® Test Tools www.Amprobe.com
Data Sheet
Resistance
Ranges 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ
Resolution 0.1Ω
Accuracy ±(1.0% rdg + 4 dgts) on 400Ω to 400kΩ ranges
±(1.5% rdg + 4 dgts) on 4MΩ range
±(3.0% rdg + 5 dgts) on 40MΩ range
Open Circuit Volts -0.45V dc typical, (-1.2Vdc on 400Ω range)
Overload Protection 600VDC or AC rms
Capacitance
Ranges 4uF , 40uF , 400uF , 4mF
Resolution 1nF
Accuracy ±(3.0% rdg + 15 dgts) on 4uF range
±(3.0% rdg + 5 dgts) on 40uF to 400uF ranges
±(5.0% rdg + 20 dgts) on 4mF range
Minimum Input Range >100nF
Overload Protection 600VDC or AC rms When the capacitor to be tested is conhected, if “dsc” symbol indicates on LCD, it
means there is voltage existing in the tested capacitor and need to be discharged before testing.
Temperature
Range -30°F ~ 400°F, -35°C ~ 400°C
Resolution 0.1°F, 0.1°C
Accuracy ±(1% + 2°F) -4°F ~ 400°F ±(1% + 1°C) 0°C ~ 200°C
±(2% + 4°F) -30°F ~ -4°F ±(2% +3°C) -35°C ~ 0°C
Sensor Type K-type themocouple
Overload Protection 60VDC or 30VAC rms
Continuity
Range 400Ω
Resolution 1Ω
Audible Indication: Less than 25Ω
Response Time 500ms
Overload Protection 500VDC or AC rms
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.
AUXILIARY FEATURES
Hold Freeze the latest reading on the display.
Range Excute manual range mode.
Disable Auto Power Off Set the DMM to off position, press (RANGE) button, and hold the (RANGE) button while turning the
rotary knob to the desired range position. Release the button when LCD displays normally. Note
“APO” annunciator is missing from the LCD. The Auto Power Off mode is activated with an “APO”
symbol indicating on LCD.
ACD-21SW Swivel Clamp Meter
Amprobe® Test Tools www.Amprobe.com
Data Sheet
Amprobe® Test Tools
website: www.Amprobe.com
email: info@amprobe.com
Everett, WA 98203
Tel: 877-AMPROBE
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
Tel.: +49 (0) 7684 8009 - 0
©2009 Amprobe Test Tools. All rights reserved.
03/2010 3621815 Rev A
ACD-21SW Swivel Clamp Meter
Included Accessories
One pair test leads
1.5V battery x2 (installed)
Carrying case
TPK01 thermocouple
Users Manual
