EXFO BRT-320A REPAIR and EXFO BRT-320A CALIBRATION
 
Custom-Cal has a high success rate in the repair of the EXFO BRT-320A. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the EXFO BRT-320A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   EXFO BRT-320A   Description / Specification:    
EXFO BRT-320A Optical Return Loss Test Set

The Exfo BRT-320A is a field-ready return loss test set offered in five configurations: 1310 nm, 1550 nm or 1625 nm; dual-wavelength 1310/1550 nm or 1550/1625 nm. All come equipped with rapidly stabilizing TEC lasers and low-drift photo detectors to ensure constant optical return loss (ORL) measurements year after year. Built-In User-Friendliness Use the BRT-320A to read back reflection from 0 dB to 70 dB and easily store up to 300 readings in a non-volatile memory. ORL readings appear directly on the large, backlit LCD. An ORL zero function accounts for incidental back reflections before the point of measurement and complies with Bellcore optical continuous wave reflectometer (OCWR) requirements. In User Calibration mode, you can calibrate the unit to a known reflection. Other features include three-way powering (rechargeable NiCd battery pack, 9 V battery, AC adapter/charger), 0.01 dB resolution, ±0.1 dB linearity, internal InGaAs detector, low-battery indicator and a protective holster with shoulder strap. Reveal Return Loss Problems Many digital and analog fiber systems require ORL characterization. ORL along a fiber span is a combination of Rayleigh scattering and Fresnel reflections. Together, these phenomena can reduce fiber system performance and increase bit error rate (BER) by degrading transmitter stability. The BRT-320A measures cumulative link return loss and individual component reflectance to reveal potential ORL problems before they seriously affect your applications. Versatile The BRT-320A is ideal for local and long-distance Telco, CATV, utility, broadband and transmission equipment manufacturing applications. These environments often require complete network ORL characterization and component reflectance verification. The BRT-320A also functions as a stable, continuous-wavelength light source for attenuation measurements. The applications include fiber component and cable manufacturing. Wavelength (nm): 1310 ±15 (BRT-320A-02BLC-58). 1550 ± 15 (BRT-320A-03BLC-58), 1310/1550 ± 15 (BRT-320A-23BLC-58), 1625 ± 15 (BRT-320A-04BLC), 1550/1625 ± 15 (BRT-320A-34BLC). Spectral width (rms) (nm): < 5. Output power stability 15 minutes (dB): ±0.01 (02BLC, 03BLC), ±0.02 (23BLC). Output power stability 1 hour (dB): ± 0.05 (02BLC, 03BLC), ±0.06 (23BLC). Temperature stability (dB): ±0.2 (02BLC, 03BLC), ±0.03 (23BLC). Reflection range (dB): 0 to -70. Display resolution (dB): 0.01. Linearity (dB): ±0.1. Uncertainty (accuracy) (dB): ±0.1. Minimum output power (dBm): -6.5 (02BLC, 03BLC), -7.5 (23BLC), -3 (04BLC), -9/-7 (34BLC). Polarization sensitivity (dB): ±0.15.



 

Standard Calibration $255.00 *
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*This is a Web introductory price for one calibration of the EXFO BRT-320A. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

dBm
Optical power referenced to 1 millimatt

Multimode Fiber
Multimode Fiber has a large core (almost always 62.5 microns - a micron is one one millionth of a meter - but sometimes 50 microns) and is used with LED sources at wavelengths of 850 and 1300 nm for short distance, lower speed networks like LANs. Both multimode and singlemode fiber have an outside diameter of 125 microns - about 5 thousandths of an inch - just slightly larger than a human hair.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Refractive Index
The refractive index or index of refraction of a substance is a measure of the speed of light in that substance. It is expressed as a ratio of the speed of light in vacuum relative to that in the considered medium. The velocity at which light travels in vacuum is a physical constant, and the fastest speed at which energy or information can be transferred. However, light travels slower through any given material, or medium, that is not vacuum.

Total insertion loss
A measure of the loss of light within an optical component


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