Advantest Q8492 Optical Time Domain Reflectometers

The Advantest Q8492 is an Optical Time Domain Reflectometer (OTDR) used for testing and characterizing optical fibers. It sends light pulses into the fiber and analyzes the reflected light to detect faults, measure fiber length, and assess signal loss. Ideal for telecom, data centers, and cable maintenance.

Model
Advantest Q8492
Calibration
Available on request
Price
$1,570
Status
In stock
RFQ ref
Q8492
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This unit

The Advantest Q8492 is a Coherent Optical Time Domain Reflectometer (C-OTDR) engineered for high-resolution characterization and testing of optical fiber networks. Using advanced coherent detection, it delivers accurate fiber analysis with an integrated laser source providing stable output power and wavelength. The instrument combines high dynamic range performance with multi-wavelength capability, enabling detection of small reflections and attenuations across long-distance fiber links.


Operation is straightforward through an intuitive graphical interface, with remote monitoring and control support for centralized management across telecommunications, data center, and field maintenance environments.


Technical Specifications

Technology: Coherent Optical Time Domain Reflectometer (C-OTDR) Laser Classification: Class 3A (IEC 825 compliant) Operating Position: Horizontal Storage Position: Horizontal (or vertical for transport with proper securing) Standards Compliance: EMC Directive 89/336/EEC (EN50081-1, EN50082-1); Low Voltage Directive 73/23/EEC (EN61010-1)

Key Features



  • Coherent C-OTDR technology for high-resolution measurements and accurate fiber characterization

  • Integrated laser source with stable output power and wavelength

  • High dynamic range for detecting small reflections and attenuations in long-distance fiber links

  • Multiple wavelength support including 1310 nm and 1550 nm transmission windows

  • Fast measurement speed for efficient testing and troubleshooting

  • User-friendly interface with intuitive controls and graphical displays

  • Remote monitoring and control capabilities

  • GPIB connectivity for automated controller-based operation and programming

  • Integrated talkset function for communication during testing

  • Floppy disk drive for data storage, retrieval, and configuration management


Laser Safety Class 3A laser output. Direct viewing of laser beam through connectors prohibited - risk of irreversible eye damage. Adhere to all safety precautions in operation manual.


Interfaces and Connectivity



  • GPIB (General Purpose Interface Bus)

  • OUTPUT connector (OTDR unit front panel)

  • MONITOR A and MONITOR B connectors (OTDR unit front panel)

  • OPTICAL OUTPUT A and OPTICAL OUTPUT B connectors (Light Source unit rear panel)

  • Floppy disk drive

  • Integrated talkset


Typical Applications



  • Telecommunications network testing and certification

  • Data center fiber infrastructure maintenance

  • Field deployment and troubleshooting of optical networks

  • Long-distance fiber characterization and analysis

Specifications

ParameterValue
Wavelength Range1310 nm, 1550 nm

Advantest Q8492 — Repair & Calibration Service

Aumictech offers NIST-traceable calibration and repair for the Advantest Q8492. Calibration covers distance accuracy verified against a calibrated fiber length reference, event loss measurement accuracy at splice and connector events, dead zone (event and attenuation) at rated pulse width, dynamic range verification at 1310 nm and 1550 nm, backscatter coefficient calibration, and return loss measurement accuracy. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.

Standard Cal
$450
Pass/fail cert + NIST sticker
Cal with Data
$650
Full NIST cert with measured values

Common Advantest Q8492 faults: optical port connector damage or contamination, battery failure, display damage from field use, module failure on FTB or MTS platforms, calibration drift. Most field OTDRs fail due to physical damage. On modular platforms (EXFO FTB, Viavi MTS), individual module failures are serviced without replacing the entire mainframe. Optical port cleaning resolves many apparent measurement faults before mechanical repair is needed.

Advantest Q8492 price

This Advantest Q8492 is listed at $1,570. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.

Advantest Q8492 calibration cost

NIST-traceable calibration for the Advantest Q8492 is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers distance accuracy verified against a calibrated fiber length reference, event loss measurement accuracy at splice and connector events, dead zone (event and attenuation) at rated pulse width, dynamic range verification at 1310 nm and 1550 nm, backscatter coefficient calibration, and return loss measurement accuracy. Turnaround is 1 to 3 business days after receipt. See full calibration details →

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