FM200

Q: What's the difference between a clamp meter and a multimeter?

A clamp meter is specialized for current measurement through its jaws, especially high amperage. A multimeter offers broader functions like voltage, resistance, and continuity testing, but typically measures current via test leads.For a more detailed comparison, please refer to the blog:clamp electric meter vs multimeter.

Q: Can a clamp meter measure both AC and DC current?

Yes, many modern clamp meters can measure both AC and DC current. Be sure to check if the model specifically supports DC current, as not all do.

Q: How do I measure current with a clamp meter?

To measure current, first set your clamp meter to the correct current mode—AC or DC. Then open the clamp jaws and place them around a single live conductor, not the entire cable, as clamping around both live and neutral wires will cancel out the current reading. Make sure the wire is centered in the clamp for better accuracy. Once clamped, the current value will appear on the display. For DC current measurements, some models require you to zero the meter before use to ensure accuracy.

The image shows the Mestek Clamp meter FM200.

Fork Meter for Electricians and Field Testing

Fork Meter FM200 is a compact and reliable tool designed for electrical testing and maintenance. It measures DC/AC voltage up to 600V and current up to 200A, along with resistance and capacitance, making it suitable for a wide range of applications. The built-in K-type temperature function (-20°C to 1000°C) supports both electrical and thermal diagnostics.

Featuring a clear color display with backlight and data hold, it ensures easy reading in various environments. True RMS provides accurate results for complex signals, while functions like continuity and NCV enhance usability.With a 10mm jaw opening and CAT III 600V safety rating.

Functions

DC Vlotage	0-600V
AC Vlotage	0-600V
DC Current	0-200A
AC Current	0-200A
Resistance	0-40MΩ
Capacatance	0-4mF
K-tpye Tempreature	-20°C – 1000°C / -4°F – 1832°F
Display Screen	Color
Continuity	<50Ω
Jaw Opening	10mm
True-RMS	Yes
Data Hold
Backlight
K-tpye Tempreature
Auto Power Off
NCV
Input Impedance	1MΩ
Battery	2*1.5V AA
Size	784535 mm
Weight	About 120g
Safety Level	EN61010-2-032,CAT Ⅲ 600V

Factory Showcase

Mestek achieves high standards and high consistency in product inspection and calibration through precise machinery and a clean environment.

FREQUENTLY ASKED QUESTIONS

What's the difference between a clamp meter and a multimeter?

A clamp meter is specialized for current measurement through its jaws, especially high amperage. A multimeter offers broader functions like voltage, resistance, and continuity testing, but typically measures current via test leads.For a more detailed comparison, please refer to the blog:clamp electric meter vs multimeter.

Can a clamp meter measure both AC and DC current?

Yes, many modern clamp meters can measure both AC and DC current. Be sure to check if the model specifically supports DC current, as not all do.

How do I measure current with a clamp meter?

To measure current, first set your clamp meter to the correct current mode—AC or DC. Then open the clamp jaws and place them around a single live conductor, not the entire cable, as clamping around both live and neutral wires will cancel out the current reading. Make sure the wire is centered in the clamp for better accuracy. Once clamped, the current value will appear on the display. For DC current measurements, some models require you to zero the meter before use to ensure accuracy.

What is the maximum current a clamp meter can measure?

It depends on the model. Entry-level clamp meters typically measure up to 400A–600A, while industrial models can go up to 1000A or more.

What is non-contact voltage (NCV) detection in a clamp meter?

NCV detection is a safety feature that lets you detect the presence of AC voltage without physically touching a wire. The clamp meter senses the electromagnetic field emitted by a live wire and alerts you with a visual or audible signal. It’s a fast and convenient way to identify live wires or check for voltage in outlets, switches, and breaker panels. However, NCV only indicates the presence of voltage—it doesn’t tell you the exact voltage level, so it should be used as a preliminary safety check rather than a precise measurement.

How accurate is a clamp meter?

Clamp meter accuracy varies by model and technology. Most standard models offer ±2% to ±3% accuracy, while high-end True RMS meters can reach ±1%. Accuracy may be affected by wire position, interference, or temperature. For best results, follow the manufacturer’s usage and calibration guidelines.