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EXFO EPM-50 Fiber Optic Power Meter

EXFO EPM-50 Optical Power Meter & ELS-50 Optical Light Source

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• Easy-to-use interface for error-free testing
• Interchangeable connectors, for first-class flexibility
• Cost-effective, rugged and highly reliable
• Ideal for testing and troubleshooting optical premises networks
• Five test kits to choose from: LAN, outside plant, contractor, FTTH and CATV


EXFO's FiberBasix 50 series meets your basic day-to-day test requirements while helping you stay within budget. These worry-free, straightforward handheld testers enable accurate measurement of signal attenuation during fiber-optic cable installation.

The FiberBasix 50 series includes two highly convenient instruments:

° The ELS-50 Light Source, combining up to three wavelengths in a single configuration
° The EPM-50 Power Meter, which offers high accuracy and referencing capabilities

An FTTx test solution

These products are part of EXFO's series of FTTx optical test products. They allow for the testing of passive optical networks (PONs) at the three main wavelengths (1310, 1490 and 1550 nm) used in fiber-to-the-home (FTTH) and fiber-to-the-premises (FTTP) networks and comply with the ITU-T G.983 and G.984 Recommendation series and the IEEE 802.3ah standard.
ELS-50 light source: multiwavelength capability

EXFO’s ELS-50 Light Source provides excellent stability and high measurement accuracy for up to three singlemode wavelengths or two multimode wavelengths. It is the perfect complement to the FiberBasix 50 EPM-50 Power Meter when it comes to measuring attenuation on fiber-optic links.
EPM-50 power meter: high accuracy and easy referencing

The EPM-50 Power Meter provides highly accurate power measurements, as well as reference value setting capabilities. It offers power autonomy of 300 hours, for reliable, long-lasting performance in the field.


EPM-50 Power Meter Specifications:

Model EPM-53 EPM-53X
Inspector InGaAs InGaAs
Range +10~-60 +26~-50
Power uncertainty ±5% ±5%
Resolution (dB) 0.01
Calibration wavelength (nm) 8,501,300,131,014,900,000
Recognize fiber modulation signal (Hz) 270,1K,2K
Unit dB/dBm/W
Working hours (hours) >300
Working temperature (℃) -10~+50
Storage temperature (℃) -40~+70
Power supply 3 AA battery
Weight(kg) 0.5
Dimension (mm) 189×78×37


ELS-50 Light Source Specifications:

Model 23BL
Wavelength 1310/1550nm
Spectral Width(nm) ≥5
Output power(dBm) ≥-5
Power Stability(dB) ±0.10
Battery Life(hours) 60
Tone Generation (Hz) 270,1k, 2k
Warranty(Year) 1


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