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Recently Published Blogs

Rent Doble M4000 M4100 Power Factor Insulation Analyzer

by Protec Tech Team May 10, 2016

Power factor testing alows for the detection of electrical equipment insulation problems without having to make an internal visual inspection. Thus, significantly decreasing the cost of maintenance and downtime. Power factor testing is one of the best techniques for preventive maintenance.

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Avoid Failure of Protection Systems with Doble F6150

by Protec Tech Team May 09, 2016

Protective relays do not generally perform until a fault or other power system problem requires that they operate to protect the power system elements. With a healthy power system faults or system problems don't occur, and the protection system may not operate for extended periods. A failure of the protection system to operate when needed can result in equipment damage, personnel hazards, and wide area disturbances or customer outages. This is why a maintenance or testing program is necessary to determine the performance and availability of a protection system.

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Perform High Voltage Testing with the Doble M4000 M4100

by Protec Tech Team March 07, 2016

When it comes to performing high voltage testing for power apparatus, transformers or bushing failure, the Doble M4000 M4100 Power Factor Insulation Analyzer offers a comprehensive solution to meet the challenges of accurate and reliable high voltage diagnostics for power apparatus equipment.

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Rent the Doble F6150 for Safe and Reliable Relay Testing

by Protec Tech Team March 07, 2016

Used for testing protection relays and schemes, the Doble F6150 Relay Testing System is capable of performing simple through the most complex tests. The F6150 also allows for comprehensive testing using just a single test unit, without having to carry multiple tools in the field.

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Doble M4000 M4100 Ensures Electrical Safety of Personnel and Equipment

by Protec Tech Team February 22, 2016

The Doble M4000 M4100 Power Factor Insulation Analyzer contains measuring circuits to determine the condition of the insulation under test, as well as direct control safety circuits to ensure electrical safety of personnel and test equipment.

The   Doble M4100 (Doble M4000)  has a time base generator that may be synchronized either with the power system supplying power to the test instrument, or with an internal crystal oscillator. This choice allows the test operator to select one of two modes of test operation, Line Sync Reversal or Line Frequency Modulation.

When Line Sync Reversal Mode is selected, the time base is synchronized to the power source and the test will use the standard Doble polarity reversal technique to reverse the effects of electrostatic interference.

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Doble F6150 Relay Testing System Packed with Features and Benefits

by Protec Tech Team February 22, 2016

Conventional steady-state tests sets are only capable of testing each component of the system individually, therefore it becomes very difficult to predict the behavior of the entire system when subjected to true power system events. This results in performance uncertainties and could be the cause of misoperations.

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The Doble M4000 M4100 Sets the Standard in Power Analysis

by Protec Tech Team February 15, 2016

 The Doble M4000 M4100 is a 12 kiloVolt power analysis test set commonly used in testing bushings, cables and other high voltage equipment. It has an advanced Line Frequency Modulation System that rejects EMI that might affect the test results. This features ensures high accuracy during testing. You can also use optional modules to enhance its testing capabilities.

The Advantages of the Doble M4000 M4100 Power Analysis:

  • Totally eliminates substation signal interference with Doble’s patented Line Frequency Modulation technology
  • Generates its own clean test signal for the most reliable and repeatable results
  • The highest power to better replicate in service condition
  • Self-calibrating in the field, so it’s always accurate
  • Advanced digital technology takes accuracy to new levels
  • Automated setup eliminates errors
  • DobleTest Assistant® (DTA) expert diagnostics software makes testing easy, fast and very smart
  • All records are presented in a format that is easy to read, save and print.
  • DTA Web provides an on-line database of test results, complete with powerful analysis tools.

Diagnostic Capabilities of the M4000 M4100 Power Analysis system:

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Doble F6150 Family of Relay Test Systems are Packed Features

by Protec Tech Team January 27, 2016

Performing diagnostic tests on relays usually requires accurate test sets to ensure their safety. A false "pass" result can lead to serious problems in your electrical system. It is wise to rent a high quality test set to ensure reliable test results.

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Doble Universal Controller (DUC) General and Environmental Specs

by Protec Tech Team January 06, 2016

The Doble Universal Controller provides the processing power necessary to run advanced software in the field. It is designed for durability and is built to withstand the same tough requirements of test equipment. Testing is even possible in full sunlight thanks to its bright, transreflective display.

Doble DUC General Specifications

Fully Rugged
Multi-layered magnesium chassis MIL-STD-810G and IP67 tested Hazardous Location Certified Piston Sealing, Rugged SSD Cartridge

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Doble TDR9000 and TDR9100 Circuit Breaker Test Sets Offer Many Benefits

by Protec Tech Team December 07, 2015

circuit breaker test set can help you effectively test protective devices by measuring the timing and motion of the mechanism. It simulates electrical system conditions and determines if the circuit breaker will respond properly. If you are looking for a good tester, you might be interested in the Doble TDR9000 or the TDR9100 test sets. These testers provide accurate and efficient testing of dynamic timing and mechanism motion of circuit breakers. 

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Determine Remaining Life Span of the Insulation with Doble M4000 M4100

by Protec Tech Team November 09, 2015

Power factor testing is one of the common diagnostic methods used to identify bad insulation. By measuring the dissipation factor of the cable  the remaining life span of the insulation can be determined

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Rent the Doble F6150 For Ground Fault or Microprocessor Relay Testing

by Protec Tech Team November 09, 2015

Protective relays are designed to be responsive to an abnormal current or power flow. They are used in combination with medium voltage circuit breaker (above 600 volts) to sense abnormalities and isolate disturbances, with minimum disruption to the electrical system, preventing damage to the equipment. 

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