



The Mastech MS2101 power clamp meter is a dependable and user-friendly tool ideal for basic electrical diagnostic tasks. While it lacks advanced features like true RMS and higher current capacity, its safety features and ease of use make it a great value for homeowners and entry-level electricians.
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The Mastech MS2101 power clamp meter is a reliable and versatile tool designed for electricians and DIY enthusiasts who need to measure electrical parameters safely and accurately. This clamp meter provides a current measurement range up to 100A AC, making it suitable for residential and light commercial electrical applications. Its compact and ergonomic design allows for easy handling in tight spaces, while the clear backlit LCD display ensures readings are visible even in dimly lit environments.
Equipped with multiple measurement functions, the MS2101 can measure AC/DC voltage, resistance, continuity, and diode testing, offering a comprehensive solution for troubleshooting electrical circuits. The device features a non-contact voltage detector for added safety, helping users identify live wires without direct contact. The auto-ranging capability simplifies operation by automatically selecting the appropriate measurement range, reducing user error.
Durability and user convenience are key priorities for the MS2101, as it comes with a robust clamp jaw and a protective holster. The meter also includes a data hold function to freeze readings for easier documentation. Overall, the Mastech MS2101 power clamp meter balances functionality, safety, and ease of use, making it a solid choice for both professionals and hobbyists working with electrical systems.
Modelled 12-month price trajectory in USD. Points are smoothed estimates — see the partner store for the live price.
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