Megger DCM310 digital current clamp meter
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The Megger DCM310-EN digital clamp meter is an average-sensing meter for measuring current in electrical testing applications. It has a clamp with two jaws that can close around an electrical conductor up to 1.06" (27 mm) in diameter to measure current without touching or interrupting the circuit. The maximum or minimum reading mode displays the highest or lowest reading in a session to track a sudden increase or decrease in readings, and the hold function keeps a reading on the display, even after the meter is disconnected. The unit automatically turns off after 30 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. The meter can survive falls of up to 1.2 meters to a hardwood or concrete floor.
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. It has a 2,000-count resolution, meaning that it can display up to 1,999 units (3-1/2 digits) before the operating range needs to be changed. The meter 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 pouch for transporting and storing the meter.
Maximum alternating current (AC) input: 400 amp
Power supply: 9V
Weight: 8.82 oz
Meter dimensions7.09 x 2.20 x 1.26 inches (H x W x D)
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.