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Recently Published Blogs

Can Using a Megger Meter be Destructive?

by Protec Tech Team July 16, 2018

Megger (insulation resistance tester) is a type of electrical test equipment used to verify the effectiveness of insulation to act as a barrier between energized conductors, or between energized conductors and ground. It is critical to the reliability of the electrical power system that there is a way to know when insulation has been damaged or compromised in any way.

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Choose the Megger Insulation Tester That is Right for You

by Protec Tech Team July 10, 2018

Contact Us NowTesting electrical insulation can be quick and easy when using test equipment specifically designed to perform insulation resistance measurements. A good insulator should have a very high resistance to current flow.  Factors such as temperature, electrical and mechanical stresses, weather and moisture ingress are all capable of adversely impacting the characteristic qualities of materials that make them such good insulators. The degradation of these materials over time can result in unplanned outages, safety concerns for personnel and an overall degradation of power system reliability.  


Avoid Dangerous Accidents by Conducting a Megger Insulation Test

by Protec Tech Team July 10, 2018

An insulation resistance test is conducted to examine the effectiveness of insulation in a variety of electrical power system apparatus. Faulty electrical insulation is the source of dangerous shock hazards and can often cause ancillary damage to adjacent equipment as well. Routine electrical testing and maintenance can help to identify when insulation has deteriated before it reaches the point of failure, saving the expense of repairs and unplanned outages. 


How a DLRO Works

by Protec Tech Team June 25, 2018

A Digital Low Resistance Ohmmeter or DLRO is used to measure the resistance of circuit breaker contacts, welded joints, terminal connections and other bonded surfaces. The resistance measurements are sensitive enough to detect very small changes in test samples.  For example, they provide users with the ability to identify loose connections, corrosion or the presence of other contaminants. 


Selecting the Best Megger Time Domain Reflectometer that Meets Your Needs

by Protec Tech Team May 29, 2018

Time domain reflectometers are tools that can help make cable troubleshooting faster and easier. Instead of spending time and effort finding faults manually, these devices can localize the fault within seconds. These testers are especially valuable on cable installations that are several miles long. They are not only suitable for cable fault location in electrical systems but also in telecommunications, television and computer network facilities.


Rent the Megger SG32-1500M Power Cable Fault Locator from Protec

by Protec Tech Team May 21, 2018

The Megger SG32-1500M Power Cable Fault Locator is a portable cable fault location and high voltage test system designed to provide quick, effective, accurate and safe fault location, thereby reducing system outages and time lost.

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The Megger SG32-1500M is housed in a rugged yet portable enclosure, which makes it suitable for use in and outdoor conditions.


2 and 3 Point Ground Resistance Meters from Megger

by Protec Tech Team April 17, 2018

With the advancement in ground resistance measurement technologies, much of the test equipment currently available for this purpose now provide the convenience of Clamp-On technologies that are in some applications preferable to the traditional 2-3 point testing methods. These clamp-on ground resistance meters provide the potential to save valuable time and effort by inducing a current into the ground through electromagnetic coupling. The jaws then sense the voltage drop around the loop and automatically calculate the ground resistance using Ohm's Law.


Megger Monthly Webinar Series Offer Valuable Testing Tips and Tricks

by Protec Tech Team March 29, 2018

When it comes to electrical test equipment Megger has been designing and making test and measurement instruments that perform electrical measurements for preventative maintenance, troubleshooting and commissioning for decades.


New to Protec's Rental Inventory - Megger TORKEL 950 Battery Load Unit

by Protec Tech Team February 15, 2018

The Megger TORKEL 950 Battery Load Unit is utilized to perform load and discharge testing on batteries of up to 500V with a maximum discharge current of 220A.

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With this additional capacity the TORKEL 950 is suitable for batteries in essential infrastructure such as telecommunications masts and it is possible to daisy-chain TORKEL or TXL Load Units to increase capacity.


Megger CFL535G TDR Added to Protec's Rental Inventory

by Protec Tech Team January 31, 2018

 Megger CFL535G Advanced Dual Channel TDR The Megger CFL535G Advanced Dual Channel TDR is a state of the art, dual channel, high resolution, compact Time Domain Reflectometer with a color screen for locating faults on paired metallic cables.

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The CFL535G has a minimum resolution of 0.3 ft /0.1 m and a 60 kft/20 km maximum range depending on the velocity factor selected and the cable type.

Five output impedances are available (25, 50, 75, 100, 125 ohms) and an auto impedance matching feature, and the velocity factor can be set between 0.2 and 0.99 to meet any cable test requirements.


Megger Insulation Resistance Testers Provide Valuable Diagnostic Data

by Protec Tech Team January 31, 2018

Megger MIT1025 10kV Insulation Resistance TesteInsulation testing can be divided into two method categories:


Rent Megger ODEN AT to Test High Current, High Voltage Power Systems

by Protec Tech Team January 08, 2018

Primary current injection testing is usually associated with high current and high voltage power distribution systems generally found in an electricity substation, or in a large industrial installation.


Protec Equipment Resources Inc.
National Headquarters
1517 West Carrier Pkwy
Suite 116
Grand Prairie, Texas 75050

Phone: 972.352.5550
Fax: 972.352.5553

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