Udeyraj electricals private limited manufactures test & measure equipments. These products are marketed under the brand name of udey. These test & measure equipments are mainly used in power utility, chemical, petroleum, telecommunication, electrical, electronics, instrumentation and manufacturing sectors. As part of that, the company offers resistance tester model mrl - 11. This is mainly used for measuring line loop contact resistance. This is fully automatic direct reading tester. It makes use of a test current of 100a dc to provide true value and accurate measurements. This resistance tester incorporates digital circuit technique to measure contact resistance of switch control equipments at the test current of 100a dc. Some key features of this resistance tester are as follows: