Below are general answers on typical components of a clamp meter from the list of GAO Tek’s clamp meters. To facilitate our customers to select our products, we have further classified our clamp meters by their features: AC, AC/DC, benchtop , DC, handheld, true RMS, wired, and wireless.
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Clamp Mechanism:
- The clamp mechanism is the distinctive feature of GAO Tek’s clamp meter. It is typically shaped like a hinged jaw or loop that can be opened and closed.
- The clamp is designed to surround and clamp onto a conductor (usually a wire or cable) without the need to disconnect it from the circuit.
Current Sensor:
- The clamp contains a current sensor or a Hall-effect sensor. This sensor detects the magnetic field generated by the flow of current through the conductor.
- The Hall-effect sensor converts the magnetic field into an electrical signal that represents the current being measured.
Display:
- Most of our clamp meters have a digital display that shows the measured current, usually in amperes (A). The display may also provide additional information such as voltage, resistance, frequency, and other measurements depending on the features of the clamp meter.
Control Buttons:
- Control buttons allow the user to select different measurement functions and ranges. These buttons may include settings for AC/DC current, voltage, resistance, and other functions.
Range Selector:
- A range selector is used to choose the appropriate measurement range for the specific application. This ensures accurate readings by preventing overload or saturation of the measuring circuit.
Zero-Adjustment Knob:
- Some GAO’s clamp meters have a zero-adjustment knob that allows users to null out any residual magnetic field when the clamp is closed around a conductor. This ensures accurate measurements.
Function Selector Switch:
- This switch allows the user to choose between different measurement functions, such as current, voltage, resistance, and sometimes capacitance or frequency.
Input Jacks:
- Input jacks are where test leads or probes can be connected for additional measurements, such as voltage or resistance.
Battery Compartment:
- GAO Tek clamp meters are typically powered by batteries, and the battery compartment is where the batteries are inserted.
Hold and Peak Hold Buttons:
- Some of our clamp meters have a “Hold” button to freeze the displayed value for later reference. Additionally, a “peak hold” function captures and displays the maximum value of the current during a measurement period.
Auto-ranging Feature:
- Many modern clamp meters have an auto-ranging feature, which automatically selects the appropriate measurement range based on the detected signal