Agilent/Keysight 8145A – Optical Time Domain Reflectometer

The Agilent/Keysight 8145A is an Optical Time Domain Reflectometer engineered for field maintenance and benchtop fiber characterization. It employs data correlation techniques to deliver dynamic range exceeding 28 dB at 1300 nm and 26 dB at 1550 nm, enabling rapid event detection and splice loss measurement across extended fiber spans.

– Technical Specifications

• Dynamic range: >28 dB (1300 nm), 26 dB (1550 nm)
• Wavelength options: 1300 nm, 1550 nm, or 1301 nm & 1539 nm
• Event detection: Up to 100 reflective and non-reflective events in <7 seconds
• Minimum detectable splice loss: 0.05 dB
• Event dead zone: 3 m
• Attenuation dead zone: 30 m or 40 m (module dependent)
• Distance accuracy: ±0.5 m ± sample spacing ± measurement distance × 10⁻⁴
• Measurement span: 1 to 200 km
• Display: Monochrome green CRT
• Power consumption: ~80 W
• AC input: 100–120 V or 230–240 V (IEC C13)
• DC input: 12–30 V (2-pin female socket)

– Key Features

• Configurable wavelength modules for diverse fiber types and applications
• Onboard memory module stores up to 100 traces
• Softkey-guided menu navigation
• Lightweight (13 kg) and rugged construction for field deployment
• Dimensions: 340 mm (W) × 190 mm (H) × 460 mm (D)

– Typical Applications

Field troubleshooting and acceptance testing of installed fiber optic cables. Laboratory characterization of splice losses, connectors, and fault location on long-haul links.

– Compatibility & Integration

Supports HPIB (IEEE-488) for remote control and data transfer. HP81450A Memory module provides local trace storage. Agilent E6009A Toolkit III Software processes OTDR traces and generates acceptance documentation aligned with Bellcore/Telcordia GR-196/SR4731 standards. External printers and plotters connect via HPIB for hard-copy reporting.