What is the HJ350-D22?
It is a portable dual-wavelength OTDR and fiber diagnostic tool for FTTH installation, maintenance, fault localization and field troubleshooting.
Which wavelengths and dynamic range are included?
The offered HJ350-D22 configuration uses 1310/1550 nm ±20 nm wavelengths with 22/20 dB dynamic range.
Which functions are confirmed?
OTDR, Event Map, Optical Power Meter, Visual Fault Locator, Light Source, LOSS Test, flashlight and USB drive support.
What fiber and connector does it use?
The HJ350-D22 is designed for G.652D fiber and uses a universal SC connector.
Does it support SOR files?
Yes. The HJ350 supports standard SOR files, internal storage, SD expansion and USB drive support.
Where do you ship?
Within the United States only. Shipping is free. Processing takes 2–5 business days, followed by an estimated 7–10 business days in transit. Estimated total delivery time is 9–15 business days.
What is the warranty?
One-year warranty. Technical troubleshooting support is included for product issues.
What are the laser classifications?
Laser classifications listed for the HJ350-D22 are Class 2 for OTDR/LS and Class 3B for VFL. Avoid direct eye exposure and follow appropriate laser-safety procedures.
Is the HJ350 a certification instrument?
No. It is offered for portable field diagnostics and troubleshooting. No FDA approval, FCC approval, U.S. certification or U.S. laser-compliance claim is made.
What is included in the package?
The package includes the HJ350-D22 OTDR, a carrying case, a USB-C cable, a user manual and fiber-cleaning accessories.