Amprobe ACD-21SW 600V Swivel Clamp Meter with Temperature and VolTect Non-Contact Voltage Detection by Amprobe 
The Amprobe ACD-21SW digital clamp meter with swivel clamp, non-contact voltage detector, and included temperature probe is an average-sensing, auto- or manual-ranging multimeter for measuring current, voltage, capacitance, resistance, and temperature in electrical testing and heating, ventilation, and air conditioning (HVAC) applications. It has a transformer clamp that measures alternating current (AC) to 400 amp. The meter comes with detachable test leads that measure direct current (DC) voltage and AC voltage to 600 volts (V), capacitance to 4 millifarads, and resistance to 40 megaohms. The clamp has two jaws that can close around a conductor up to 1.18" (30 mm) in diameter to measure current or frequency without touching or interrupting the circuit. It swivels 180 degrees to allow the liquid crystal display (LCD) to be seen when taking readings in hard-to-reach areas. The meter's non-contact voltage detector senses AC voltage without making contact with the circuit. The meter comes with a K-type thermocouple probe for measuring temperature. The hold function keeps the reading on the display, even after the meter is disconnected. The unit automatically turns off after 10 minutes of non-use to conserve battery life, and a low-battery indicator signals when the meter's batteries need to be replaced. A finger guard on the body of the meter helps protect fingers from shock.
This average sensing, or average responding, meter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has a sinusoidal waveform. Two ranging modes (auto or manual) offer a range of operator control when taking readings. When turned on, the meter will be in auto-ranging mode and will automatically select the correct operating range for the property being measured. It can be switched to manual-ranging mode, which requires that the operator choose the appropriate operating range. The meter has a 4,000-count resolution, meaning that it can display up to 3,999 units (3-3/4 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for category III installations up to 600V, which covers items used with enclosed building circuit installations (such as service panel parts, branch circuits, and fixed installations that are connected directly to a building's AC power supply. The unit comes with a soft vinyl carrying case.
Specifications
| Maximum alternating current (AC) input | 400 amp |
| Maximum AC voltage input | 600V |
| Maximum direct current (DC) voltage input | 600V |
| Maximum resistance detected | 40 megaohms |
| Maximum capacitance detected | 4 millifarads |
| Temperature measurement range | -30 to 400 degrees Fahrenheit (F)/-35 to 400 degrees Celsius (C) |
| Power supply | 1.5V LR03 AAA batteries (two, installed) |
| Standards met and certifications | European Normal (EN); International Electrotechnical Commission (IEC) and EN safety standard 61010-1; European Conformity (CE); Canadian Standards Association (CSA); and Australia N10140 |
| Weight | 7.7 oz./220 g |
| Meter dimensions | 9.5 x 2.8 x 1.6 inches/240 x 70 x 41 mm (H x W x D) |
H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Clamp meters (also called clamp-on meters) measure electrical current without cutting through wires or touching or interrupting the electrical circuit. Available in handheld or benchtop models, clamp meters diagnose problems in electrical equipment, wiring, and power supplies. The meter's current clamp has two jaws that fit around a conductor to take measurements. All clamp meters test for current. Some come with test leads and inputs for measuring voltage, capacitance, and resistance. They display information either in analog or digital form. Factors that influence meter choice include the electrical properties to be measured, the anticipated range of results, and the desired level of protection against transient voltages determine meter choice. Safety ratings are based on the International Electrotechnical Commission's (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation categories. In general, a meter with a category IV rating will provide more protection against transient voltages than a meter with a lower category rating.
Amprobe manufactures electrical testing equipment for commercial, industrial, and home use. The company was founded in 1948 and is headquartered in Everett, WA.
What’s in the Box?
- ACD-21SW average-sensing digital clamp multimeter
- (1) Set of test leads
- (1) K-type thermocouple probe
- (2) 1.5V AAA batteries (installed)
- Soft vinyl carrying case
- Instructions
Amprobe ACD-21SW 600V Swivel Clamp Meter with Temperature and VolTect Non-Contact Voltage Detection Feature
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