Electro-Meters: Megger Fiber Optic Testers


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	Megger Fiber Optics Meters and Sources The Megger Fiber Optic Light Sources and Power Meters have been designed to address a critical aspect of fiber optic cable testing. Attenuation of signal within a fiber due to sharp bends and breaks in jacketed or bare fibers, poorly mated connectors, and faults in fiber optic jumper cables, distribution frames, patch panels and splice trays may cause the transmission system to fail (due to insufficient light levels reaching detectors within the system).




	MLS1000, Multimode Light Source The MLS1000 is a stable optical dual LED source that can be used in conjunction with an optical power meter for optical loss testing of fiber optic cables. It has been designed to output 850nm or 1300nm at a level of -20 dBm into a 62.5/125 multi-mode fibre. MLS2000, Single Mode Stablised Laser Source The MLS2000 is a stable optical dual laser source that can be used in conjunction with an optical power meter for optical loss testing of fibre optic cables. It has been precalibrated to output 1310 nm or 1550 nm respectively for an output level of –6 dBm into a 9/125 single-mode fibre. It is particularly suitable for the testing of SDH, CATV, telecom and other single mode links. MLS635, Visible Light Source The MLS635 is a hand-held, stable, visible light source that can be used to visually test optical fibre cables, splices and connectors on both multi- and single- mode systems. Any sharp bends and breaks in jacketed or bare fibres, or poorly mated connectors, will allow the generated visible light to escape making the MLS635 ideal for identifying faults in fibre optic jumper cables, distribution frames, patch panels and splice trays. MPM1000, Multi-Mode Power Meter The MPM1000 is an accurate optical power meter that can be used for optical loss testing of fiber optic cables. It has been precalibrated for absolute power levels with reference to 1 mW (dBm) for 850 nm, 1300 nm and 1550 nm laser frequencies using multi-mode cables. However, it can also be used in relative power mode and, therefore, can also be used on single-mode cables. The MPM1000 is accurate to ±5% at -23 dBm (±0.22 dBs) and has a wide dynamic range of +5 dBm to -60 dBm with a resolution of 0.1 dBm. It is particularly suitable for the testing of LANs, FDDI, and other multi-mode links whether inside or outside a building. MPM2000, Single Mode Power Meter The MPM2000 and MPM2000H are advanced optical power meters that can be used for optical loss testing of fibre optic cables. These have been precalibrated for absolute power levels with reference to 1 mW (dBm) for 1310 nm and 1550 nm laser frequencies using single mode cables. However, they can also be used in relative power mode and can therefore also be used on multi-mode cables.