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RESPONSE TO LISMA

The domestic manufacturer of automotive lamps has begun their release in the box. Check what they are.

Alexander BUDKIN

It so happened historically that the Lisma Saransk plant turned out to be the only manufacturer of H4 automotive lamps in the country. The monopoly played a nasty joke with a domestic enterprise - it was not ready for competition at the right time. The fact that good, but expensive foreign lamps appeared in stores is still not scary, but the shaft of fakes that do not meet any standards (see ЗР, 1999, No. 7), hurt the Russian manufacturer. They turned out to be cheaper and managed to "file." The poor buyer had no choice but to give up sooner or later.

A chance to strike back at the Saransk plant after the crisis. The price of fake lamps of unknown origin almost equaled the cost of domestic products. And finally, the long-awaited boxed domestic lamps began to be offered on the market …

TWO FROM THE CART, SAME WITH FACE

For examination at the Research Institute of Autoelectronics, we sent two Saransk H4 lamps. As it later turned out, not in vain. The checks are standard for compliance with UNECE Regulation No. 37: external inspection, the accuracy of the location of the filament relative to the mating plane, and finally, the light distribution characteristic.

The quality of the bulb on both lamps was not very appreciated by experts: on the inside, the glass was speckled with microscopic defects in casting and did not look perfectly transparent. However, such microdefects are not specified by requirements. It will be possible to achieve normal light distribution, and okay. With geometric parameters is also not perfect. One bulb crawled out slightly beyond the tolerance in one of the nineteen (!) Parameters, the second in two. For lamps submitted for certification, this situation would be very unpleasant, but for serial production coming to stores, this is not a crime. Here, a 20 percent deviation is officially allowed for some parameters. Recall, moreover, that they were compared not with cheap fakes, but with international requirements that are met by lamps from well-known manufacturers.

How the Russian lamps coped with the most important test - checking the light distribution, can be seen from the table. It presents data from the best of two domestic lamps that passed the test. Yes, the Saransk product was not able to get closer to the products of world famous manufacturers, but it turned out to be a cut above the cheap fakes of unknown origin (Light), exceeding their indicators of illumination at points 75R and 50R (see figure) by 2–2.5 times. Of course, the company still has something to work on, but the achieved result is encouraging. The plant is ready to make such lamps as much as the market will accept. Therefore, the further fate of Saransk products, as well as the fate of fakes wandering around our market, is entirely in the hands of buyers. Perhaps, in this case, it’s not a sin to “buy domestic”.

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