Tumtec FST-18S

Tumtec FST-18S Fiber Optic Fusion Splicer

Full Product Description

The Tumtec FST-18S Fiber Optic Fusion Splicer is a high-performance splicing device developed for professional fiber technicians working in FTTH, access networks, and telecom infrastructure projects. It combines precision, speed, and durability to deliver reliable splicing results in both indoor and outdoor environments.

The FST-18S uses advanced core alignment technology to ensure accurate fiber positioning and ultra-low splice loss. Its intelligent arc control system automatically adjusts splicing parameters based on environmental conditions such as temperature and altitude, ensuring consistent performance in the field.

Designed with ease of use in mind, the splicer features a high-resolution color display that provides clear visualization of fiber alignment from both X and Y axes. The fast splicing and heating times help technicians complete large projects efficiently while maintaining high splice quality.

With a robust body structure and long-lasting rechargeable battery, the Tumtec FST-18S is an ideal solution for installers, ISPs, and maintenance teams requiring dependable fiber splicing equipment.

Technical Specifications
Supported Fiber Types

Single-Mode Fiber (SM)

Multi-Mode Fiber (MM)

Dispersion Shifted Fiber (DS)

Non-Zero Dispersion Shifted Fiber (NZDS)

Alignment Method

Core alignment with image processing

Splicing Performance

Typical splice loss:

SM: ≤ 0.02 dB

MM: ≤ 0.01 dB

Average splicing time: approx. 8–10 seconds

Heating time: approx. 15–20 seconds

Fiber Parameters

Cladding diameter: 80–150 μm

Coating diameter: 160–1000 μm

Cleave length: 8–16 mm

Display System

High-resolution color LCD

Dual camera system (X/Y view)

Adjustable magnification up to 300×

Battery & Power

Built-in rechargeable lithium battery

Supports multiple splicing & heating cycles per charge

AC power adapter supported

Environmental Specifications

Operating temperature: −10°C to +50°C

Storage temperature: −20°C to +60°C

Operating humidity: up to 95% (non-condensing)

Automatic altitude compensation

Additional Features

Intelligent arc calibration

Real-time splice loss estimation

Built-in LED working light

Shock-resistant, portable design

Suitable for field and indoor operations

Applications

FTTH network deployment

Fiber optic cable installation

Telecom backbone and access networks

Fiber maintenance and repair

ISP and contractor field operations

Package Contents

Tumtec FST-18S Fusion Splicer

Fiber cleaver

Stripping tools

Rechargeable battery & charger

Carrying case

User manual