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Any orders placed after this time will be processed on our return, on Thursday 2nd January 2014.
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Megger LTW315 Loop Tester
The new Megger two wire earth loop testers verify the loop impedance of a live electrical circuit, ie without the need to disconnect the electrical supply. The new LTW300 series instruments offer a 2 wire loop testing solution that does
not trip 30 mA RCDs and can be used on a wide range of voltages.
Two wires a major benefit:
As well as saving time and eliminating the risk of incorrect connections, dependable two-wire testing is a major benefit in applications where the neutral is missing or inaccessible, such as light switches, systems with 110V centre-tapped supplies, and many types of luminaire.
All of the testers are three-phase safe and are category IV 300V rated, making them suitable for use on supplies from 50V to 300V AC single phase, as well as on 440V three-phase installations.
Uses latest digital processing techniques:
To address electrical contractors’ requirements for easier loop testing, Megger has made a major investment in developing the innovative technology used in the new LTW testers.
Extensive use is made of the latest digital processing techniques to separate the test signal from the fundamental frequency of the supply, with a large number of results automatically averaged over the duration of the test. This enables non-trip testing to be performed without DC injection, a technique which is, in any case proving ineffective with electronic RCDs.
Extensive range to meet every need:
The LTW range includes four models, all of which normally complete their test sequence in ten seconds. If electrical noise is detected on the supply, however, the test is automatically extended to ensure that an accurate result is achieved.
The entry-level Megger LTW315 provides all of the facilities needed for two-wire non-trip loop testing on supplies between 110V and 280V, while the LTW325 extends the voltage range to cover supplies between 50V and 440V, as well as adding facilities for displaying max Zs and R1+R2. The Megger LTW335 is functionally the same as the Megger LTW325, but includes facilities for storing and downloading test results. All units provide PFC calculation as standard.
The resolution provided by the Megger LTW315, Megger LTW325 and Megger LTW335 is 0.01 ohms but for applications where even more accurate results are needed – for example, to allow the accurate calculation of high prospective fault currents – Megger offers the Megger LTW425. This provides the same facilities as the Megger LTW325, but has an enhanced resolution of 0.001 ohms, enabling a PFC calculation to 40kA.
Comes complete and ready to go on site:
All loop testers in Megger’s LTW range feature an IP54 weatherproof case, a backlit display, and built-in folding front cover, and all are supplied complete with standard test leads, a mains socket test lead and a calibration certificate.
Megger LTW315, Socket Leadset, 2 Wire Leadset with Croc Clips, Schuko Plug Test Lead, Carry Case and User CD.
When you buy new test equipment, you are covered by the manufacturer's own warranty. If your unit needs to be repaired, simply contact test4less and we will handle everything for you. Please provide either your purchase receipt/copy invoice or order identification number as this will be needed to verify your details.
Test4less are authorised distributors for all equipment offered on our site so you can be confident that your warranty claim will be dealt with in a courteous, prompt and professional manner.
Full details of Warranty Conditions are available direct from each Manufacturer.
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