Johan Simbade
How To Choose A Suitable Tester
A review of this article will show that there are many things to consider when making a recommendation concerning a certain review company or supplier. It is very important to make the right decision and this can be achieved by using various resources such as forums, blogs and specialist websites that review different companies. These resources should contain honest reviews written by previous users of the services and/or products. Some sites may even provide forums where users are able to share their experiences. The best review of the day, however, comes from an unbiased source which is the impartial review of a company’s service and/or products.
In order to find a review that is truthful and impartial, it should first of all contain information about the review company and its service. Any operation involving drilling/rodding on live equipment must be done only by qualified persons. Designing a method to perform drilling/rodding on live equipment must be an intricate task that requires a lot of experience and technical knowledge.
The second factor that needs to be considered is the isolation of the live wire and the drilling or routing hole. An effective testing method must ensure that the drilling or routing hole is isolated from the other equipment and the service power supply. In order to achieve this, an isolation device such as a transformer or a switching isolation plate is required. The review site should also mention the type of isolation used in order to prove that the product has been designed for use with specific power requirements.
Thirdly, the review site should state the range of voltage detectors that are suitable for industrial purposes. It should also provide information about the number of circuits that can be controlled during testing and the ease with which these tests can be conducted. Most reviewers will state that high-efficiency devices are preferred but it can never be proved otherwise. The reader should therefore be careful about choosing high efficiency non-contact devices in the testing program.
Fourthly, most testers will provide information about the test voltage and times of reading. These readings are usually taken twice in a day. It is advisable to choose devices with high test voltage for long periods of time. Other relevant facts such as test time and repeatability of readings are also provided.
Fifthly, all good testers will provide information about the test procedure, sample conditions and calibration methodologies. The tester should describe how he determines the appropriate setting for the voltage measurement. Usually, multiple conductors are supported by a grounded reference. Some reviewers even go ahead to explain why the chosen setting should not be the basis for the actual measurement. For most industrial voltage measurement purposes, a combination of the test procedure, correct calibration and a properly grounded reference will be more than enough.
