MJ159

MJ159 is a low resistance ohmmeter designed by Megger. It is specifically engineered for measuring the resistance of various electrical circuits and components with high accuracy and reliability. Here are some key features and functionalities of the MJ159:

1. Low Resistance Measurement: The MJ159 is optimized for measuring low resistance values typically encountered in electrical circuits, such as busbars, contactors, circuit breakers, and bonding connections. It can accurately measure resistance in the milli-ohm and micro-ohm range.
2. Four-Terminal Kelvin Measurement: The instrument utilizes a four-terminal Kelvin measurement method, also known as four-wire measurement, to eliminate the effects of lead resistance and ensure accurate measurements, particularly in low-resistance applications where lead resistance can significantly affect results.
3. High Current Output: The MJ159 is capable of generating high test currents necessary for measuring low resistance values accurately. It typically provides test currents ranging from several milliamps to several amps, depending on the specific requirements of the application.
4. Digital Display: The instrument features a digital display that provides clear and easy-to-read measurement readings in real-time. The display may include additional features such as backlighting for improved visibility in low-light conditions and a graphical representation of measurement trends.
5. User-Friendly Interface: The MJ159 is designed with a user-friendly interface that allows for simple operation and navigation. It may include dedicated function buttons or a touchscreen interface for selecting measurement parameters, initiating tests, and accessing additional features.
6. Data Storage and Logging: Some models of the MJ159 may offer data storage and logging capabilities, allowing users to save measurement results for later analysis and documentation. This feature is particularly useful for recording measurements over time and tracking changes in resistance values.
7. Portable and Lightweight Design: The MJ159 is typically compact, lightweight, and portable, making it suitable for field measurements and on-site testing applications. It may come with a rugged carrying case or protective enclosure for easy transport and safe storage.
8. Safety Features: Safety is a priority when working with electrical testing equipment, and the MJ159 incorporates various safety features to protect both the user and the instrument. These may include overcurrent protection, short-circuit protection, and insulation protection mechanisms.

Overall, the MJ159 is a versatile and reliable instrument for accurately measuring low resistance values in various electrical applications. Its advanced features, user-friendly interface, and portability make it well-suited for use in maintenance, troubleshooting, and quality control tasks across different industries.