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Mastech MS2108A auto-ranging True RMS clamp meter with capacitance and frequency measurement

Brand: Mastech

50.43

VAT included (Ex VAT: 41.00 €)

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The Mastech MS2108A clamp meter is a professional multifunction instrument designed for accurate and reliable electrical measurements. It features True RMS technology for exact readings in alternating and direct current, and an ergonomic design that makes one-handed operation easy.

This portable multimeter includes an illuminated LCD display with 4000 counts and an analogue bar, allowing clear reading of data even in low-light environments. Its auto-ranging function simplifies selecting the correct range, while overload protection and low battery indication ensure safety and reliability during use.

Main features

  • AC/DC current measurement up to 400A with ±2% accuracy
  • AC/DC voltage measurement up to 1000V DC and 750V AC with high accuracy
  • Resistance measurement from 400Ω to 40MΩ with ±0.8% to ±1.2% accuracy
  • Capacitance measurement from 40nF to 4000µF ±4%
  • Frequency and duty cycle measurement with wide ranges and ±1% to ±3% accuracy
  • Continuity and diode test for quick diagnostics
  • Data hold, maximum and minimum values
  • Auto power off for battery saving
  • Maximum conductor diameter for the clamp: 26 mm
  • Double insulated construction and CAT III 600V protection

Typical uses

This clamp meter is ideal for electronics professionals, maintenance technicians, workshops, schools and hobbyists who need a versatile instrument for measuring electrical parameters accurately. It is perfect for diagnosing electrical circuits, checking installations and carrying out tests on electronic components in industrial and domestic environments.

Compatibility and standards

The MS2108A model complies with IEC1010-1 and IEC1010-1-032 standards, ensuring safety and quality in use. It runs on three AAA batteries (not included), and its compact size (208mm x 78mm x 35mm) and light weight (340g) make it easy to carry and handle.

  • True RMS measurement for AC and DC current up to 400A with high accuracy
  • Illuminated LCD display with 4000 counts and analogue bar for easy reading
  • Capacitance measurement up to 4000µF and frequency measurement with high accuracy
  • Auto-ranging function and auto power off for convenience and energy saving
  • Built-in continuity and diode test for quick diagnostics
  • Overload protection and double insulation CAT III 600V
  • Maximum conductor diameter for the clamp: 26 mm
  • Compact dimensions and light weight for portable, professional use

Customer Questions & Answers

What advantages does the True RMS function on the Mastech MS2108A Clamp Meter offer compared with traditional models?

The True RMS function allows accurate measurement of current and voltage values in non-sinusoidal or distorted waveforms, something traditional models (standard RMS measurement) do not achieve with the same accuracy. This is especially useful in modern electrical systems with electronic loads (drives, switched-mode power supplies, etc.).

What are the ranges and accuracy for AC and DC current measurement, and what is the maximum conductor diameter the clamp accepts?

For AC and DC current it offers 40A and 400A ranges with an accuracy of ±2%, and accepts conductors up to 26 mm in diameter.

Does the clamp require any periodic maintenance to ensure reliable readings and durability?

It is recommended to clean the housing with a damp cloth, avoid exposure to excessive moisture and regularly check the battery condition. No frequent calibration is needed except for high-precision industrial applications; typical service life exceeds several years under regular use.

Is it compatible with measuring voltages and currents in industrial three-phase systems, and up to what electrical safety category is it certified?

Yes, it is suitable for single-phase and three-phase systems, within the maximum limits of 1000V DC and 750V AC. It is certified to IEC1010 Cat III 600V, suitable for most industrial and workshop electrical installations.

What objective differences are there between the MS2108A and other clamp meters in a similar range in terms of functions and accuracy?

The MS2108A offers True RMS measurement, auto-ranging, diode/continuity testing, frequency measurement and capacitance up to 4000 μF, together with high accuracy (DC voltage ±0.8%, AC ±1.0%). Many competitors in the same range do not include all these functions, or sacrifice accuracy to keep costs down.

What type of current can the Mastech MS2108A clamp meter measure?

It can measure alternating current (AC) and direct current (DC) with True RMS technology for greater accuracy.

What is the maximum capacitance measurement range?

The clamp meter can measure capacitance up to 4000 microfarads (µF) with an accuracy of ±4%.

Does it have continuity and diode test functions?

Yes, it includes continuity and diode test functions, making electrical diagnostics easier.

What is the maximum conductor size the clamp accepts?

The maximum conductor diameter the clamp can measure is 26 mm.

What type of protection does the device have?

It has double insulation and CAT III 600V category protection for safe measurements.

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