We have optical time-domain reflectometer (OTDR) newer and older from various brands such as Exfo and Anritsu. Don't forget that everything is tested before being released to the customers.
AQ7254B: A pulse width of 1 µs can be set for 10 km; a width of 4 µs or 10 µs is used for 40 km, and a width of 20 µs is used for 80 km.
Connector type: SC
EXFO’s AXS-100 Access OTDR combines the industry’s leading OTDR technology with power meter functionalities in one powerful handheld unit. Optimized for point-to-point testing of passive optical networks...
FTB-300-D2M1W1N3 is a rugged portable universal test system with active color matrix touchscreen, PCMCIA slot, and standard interfaces to support a printer, modem, mouse, external keyboard, and external monitor.
AQ7275-735041 with options PM and SLS. 850/1300 nm (MM) and 1310/1550 nm (SM) with Power Monitor and Stability-light source function, SC connector (fixed).
The Anritsu MW9076 Series Optical Time Domain Reflectometer
Features
45 dB high dynamic range
8 m short dead zone
Measurement in 10 s (Full-Auto mode),0.15 s real-time sweep
Automatic execution of functions...
The Exfo FTB-100B Mini-OTDR is a convenient, rugged field plateform that supports any EXFO OTDR modules. It has a color touchscreen, intergrated power meter and internal memory of 700 traces. It has a sturdy design...