The HSV-110D is a compact 7-in-1 mini OTDR combining OTDR testing, OPM, VFL, and Event Map in one pocket-sized device for only $249 — the best affordable handheld OTDR for FTTH technicians in 2026.
Fusion splicers join fiber; OTDRs test it. But the line isn't always clear. This guide explains exactly when you need each tool — and when you need both.