Doble M Rent and purchase options available at JM Test. The M is the leading instrument for evaluating the condition of high-voltage power. Insulation systems associated with many types of high-voltage power apparatus and devices often consist of a mix of non-homogeneous component parts. The Doble M evaluates the integrity of high-voltage substation apparatus by measuring the power factor/tangent delta along with capacitance to evaluate.

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Records are presented in a format that is easy to read, save, and print. New PurchaseRental. Advanced digital technology takes accuracy to new levels. Electrical Safety Onsite Testi Built-in test set diagnostics provide information on instrument status.

Doble M4100, 4th Gen

Dielectric testing for our electrical testing laboratory. The M also uses a patented technique called Line Frequency Modulation, in which measurements are made at a frequency above and below the system frequency, to eliminate the effect of electrostatic interference. Click the “Get A Quick Quote” button to get started. M software makes dobld easy, fast, and smart. We can also help with these: JM Test Rental options can help you save capital, get the latest technology, and expand your capabilities.


Get a Quick Quote. Automated setup eliminates errors. Get a quick quote: The accuracy of test results is directly related to the quality of the test signal. The M instrument comes with M software to simplify the management of test results.

The M has the power to test a wide range of apparatus, making it highly versatile.

Generates its own clean test signal for the most reliable and repeatable results. One stop for your electrical safety equipment needs, cleaning, doblle electrical testing services. Doble M Power Factor tester. It sets the standard for accuracy, reliable test results, and intelligent diagnostics for customers worldwide.

The quality of the power source is not an issue.

Doble M, 4th Gen | Accutech Rentals

While most test instruments use available power lines or portable generators to generate the output test signal, the M uses an internal waveform generator to create its own precise sine wave. With a maximum output of mA at 10 kV, the M offers high charging current, allowing you to run single-phase exciting current tests at higher voltages, increasing the turn-to-turn stress.

This produces reliable results and stable readings. Cleaning, dielectric testing, drying, visual inspections, stamping, packing, and documentation is all If you need more current than mA for large apparatus, the Type C Resonator option extends the range.


It also offers a range of built-in self-diagnostic tools. Even a small change in a measurement becomes a reliable diagnostic indicator. It also measures capacitance, to evaluate physical changes to the apparatus. Daily, Weekly and Monthly rates are available on select items. Eoble M was engineered from the ground up to overcome the common problems that plague other test instruments.

Electrical glove testing is available at JM Test Systems. Unlike other test instruments, the M eliminates the need to balance the bridge, automatically making measurements for you.

The M is the leading instrument for evaluating the condition of high-voltage power apparatus. The Liquid-Insulation Cell Oil Cellalso supplied with the M, can be used in the field for a quick accuracy check. Provides the highest power to better replicate in-service conditions. Rugged construction provides the accuracy of a laboratory instrument with the ability to withstand harsh field conditions. The result is highly accurate and repeatable measurements. The internal measurement circuitry is fully digital.

The M allows you to perform a variety of diagnostic tests:

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