... portable OTDR with 31/29dB dynamice range. OTDR WY-8100 The WY-8100 OTDR is a high performance mini-OTDR, which ... Firm, durable, shock-proof, moisture-proof Main SpecificationsModel Name WY-8100 (5m to 160km) Wavelength(nm)1310 nm ±20 nm1550 nm ... adapter, input AC90-240V ±10%, output 18VDimensions247mmx130mmx67mm Weight1.5KgStandard PackageWY-8100 OTDR, Li battery, Charger, AC/DC Adapter, User Manual, ...