Clamp meters are essential tools for electricians, technicians, and engineers, offering a safe and efficient way to measure electrical current without the need to disconnect or de-energize a circuit. Tool.com provides clamp meters that are designed for different electrical measurement needs, with features that ensure accuracy and convenience.

The clamp meters from Tool.com are digital and capable of measuring AC current up to 1000A, AC and DC voltage up to 1000V, and resistance up to 20MΩ. Equipped with True RMS technology, they ensure reliable readings even with non-linear loads. These clamp meters also feature diode testing and a continuity buzzer for quick and efficient circuit checks. Safety is enhanced with full-range overload protection, and for added convenience, they include a backlit display and an integrated LED torch, making it easy to work in low-light conditions.

Using Tool.com Clamp Meters is straightforward. Ensure the meter is set to the correct measurement type—current, voltage, resistance, or others as needed. Always keep your fingers behind the tactile barrier on the meter’s face to avoid accidental contact with live conductors. For current measurements, set the dial to the appropriate current setting. If your meter allows it, choose between AC or DC based on the type of current you are measuring. Open the jaws of the clamp meter by pressing the lever and carefully encircle one of the wires in a circuit without touching it directly; this allows for non-contact current measurement.

For voltage or resistance tests, use the probes, inserting them into the appropriate ports on the meter. Once the clamp is securely around a single conductor, the meter will display the current flowing through it. For voltage measurements, touch the probes to the corresponding test points—one to the live wire and the other to a neutral or ground line. The meter screen will display the voltage level.


Tool.com clamp meters are powerful electrical measurement tools that can benefit both professional technicians and ordinary users. Proper operation and good safety habits can ensure optimal performance of the equipment and the safety of the user.