The HSV-610 SM OTDR (HSV-610) is a professional optical fibre installation and testing tool essential for telecoms contractors, ISPs, and enterprise IT teams performing fibre optic network builds, maintenance, and fault diagnosis across FTTH, FTTx, and data centre environments. 1310/1550nm, 32/30dB. Portable handheld OTDR for single-mode cable qualification.. Engineered to meet the demands of professional field use with durable, impact-resistant construction and intuitive controls that allow skilled fibre technicians to work accurately and efficiently even in challenging installation conditions. Compatible with standard single-mode and multimode fibre types and connectors used across Kenyan and East African telecoms infrastructure, making it a practical addition to any professional fibre engineer's toolkit.