Optical-fibre line tester for single- and multi-mode for 2.5 mm ferrules Excellent tool to examine optical fibres. The class III A laser works in the red light range (630 - 680 nm) and is visible up to 3 km via optical-fibre cable. The 2.5-mm ferrule on the optical-fibre plug for the series: ST, SC, FC, E2000, DIN, FSMA, FDDI, ESCON is used for coupling. The light beam at the end of the cable enables you to check patch cables, pigtails, discontinuation in stretches or identify non-labelled cable bundles. The device is supplied in practical plastic case. Battery: 2 x AAA (micro, LR3) included https://elecena.pl/product/18466505/line-tester-single-and-multi-mode-lw-gt-3-km 2021-05-15 https://elecena.pl/product/18466505/line-tester-single-and-multi-mode-lw-gt-3-km 2022-09-26 https://elecena.pl/product/18466505/line-tester-single-and-multi-mode-lw-gt-3-km 2025-02-08 https://elecena.pl/product/18466505/line-tester-single-and-multi-mode-lw-gt-3-km 2026-06-30