What is a Clamp meter?

A clamp meter is an electrical measuring instrument used to measure the current, particularly alternating current (AC) and direct current (DC). Traditional methods of measuring current require cutting the circuit and connecting test leads, but a clamp meter allows current measurement simply by clamping the device around a wire carrying the current, without the need to interrupt the circuit. This improves efficiency and increases safety. Clamp meters are commonly used in electrical work, equipment inspection, and maintenance. Digital models that display numerical values are the most common, and multifunctional models that can also measure voltage and resistance are increasingly popular.

Application of Clamp meter

✅Electrical Equipment Inspection
A clamp meter is used to measure current in electrical equipment without direct contact. For example, during the inspection of motors or distribution panels, the current can be measured without disconnecting wires, making the work faster and safer.
✅Energy Management
Clamp meters are used to measure energy consumption in machinery or facilities. For example, in a factory, a clamp meter helps determine how much electricity a specific machine is consuming, allowing for the identification of areas to improve energy efficiency.
✅Troubleshooting
When electrical devices malfunction, a clamp meter can be used to check various circuits and quickly identify the root cause. For instance, if an air conditioning unit shows abnormal current, the clamp meter can help detect faults in the motor or compressor.
✅Electrical Installation Work
During electrical installation in a new building, a clamp meter is used to check the current in wiring and ensure that it is flowing according to the design specifications. This helps prevent installation errors and safety hazards.

※Includes information on some trading companies