Cyronics Instruments Pvt. Ltd manufactures Local Area Networks [LAN] Testers. Cyronics Instruments Pvt. Ltd also manufactures Medical testing instruments, oscilloscope, logic analyzer, signal generator, video tests, temperature measurement & control, signal generators, bmi monitoring system, general imaging system, etc.Local Area Networks [LAN] Testers are cable testers that are used to test the LAN cables that are used for coupling to the ethernet. The Local Area Networks [LAN] Testers give precise and accurate results. The Local Area Networks [LAN] Testers are compact, have a robust housing and are very accurate and are used in Lan set up.