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Clamp meters are specialized electrotechnical devices that allow measuring electric current without the need to break the circuit. Thanks to their portability and ease of use, they are widely used both in household and professional activities of electricians, auto mechanics, and service centers.
Non-contact measurement of alternating and direct current, speed of measurement, and user safety are the main advantages of clamp meters.
Types of clamp meters
There are several main types of clamp meters, differing in purpose and functionality:
- AC clamp meters – designed for measuring alternating current. The simplest and most affordable devices, ideal for household applications.
- AC/DC clamp meters – a more professional instrument capable of measuring both alternating and direct current.
- Multimeters with clamp meter function – a universal device combining the capabilities of a classic multimeter and clamp meters, allowing measurement of various electrical parameters.
Comparison of main characteristics
| Type | Measurable Current | Current Type | Additional Features | Purpose |
|---|---|---|---|---|
| AC clamp meters | Up to 600 A | Alternating (AC) | HOLD, MAX/MIN | Household, basic measurement |
| AC/DC clamp meters | Up to 1000 A | Alternating and direct (AC/DC) | HOLD, MAX/MIN, REL, diode test, NCV | Professional, auto service, electronics repair |
| Multimeter with clamp function | Up to 1000 A | AC/DC | Voltage measurement, resistance, diode test, NCV | Universal application |
Key characteristics of clamp meters
- Current measurement range: defines the maximum current value that can be measured (usually from a few amperes up to 1000 A and more).
- Power type: batteries or rechargeable battery, providing mobility and long operating time.
- Additional features: HOLD – holding readings on the display, MAX/MIN – recording maximum and minimum values, RELATIVE (REL) – relative measurements, NCV – non-contact voltage detection, diode test and continuity check.
Tips for choosing clamp meters
To choose the right clamp meter, you should focus on the tasks you plan to perform:
- For household use: models with a basic alternating current measurement range (AC clamp meters) and HOLD and MAX/MIN functions are sufficient.
- For professional electricians: it is recommended to choose AC/DC clamp meters with an extended set of functions (REL, NCV, diode test) and a wide measurement range.
- For auto service and electronics repair: a universal multimeter with clamp meter function is the best choice due to the ability to measure not only current but also other electrical circuit parameters.
Advantages of using clamp meters
- Safe current measurement without the need to break the electrical circuit.
- Portability and convenience when working in hard-to-reach places.
- Speed and accuracy of measurements thanks to modern electronics.
- The ability to measure both alternating and direct current in professional models.
- Additional features help diagnose faults in electrical networks and devices.
Choose reliable and professional clamp meters for efficient and safe work with electrical equipment. If you need assistance – our managers are always ready to consult and help you choose.