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Are you a fiber optic technician, network installer, or telecom professional constantly battling with slow, unreliable fusion splicers that eat into your productivity and profit margins? You know that in this high-stakes field, every second and every decibel of loss counts. The question on your mind is likely: is the Fujikura 90S+ worth buying,Fujikura 90S+ pros cons,should I buy Fujikura 90S+,Fujikura 90S+ vs alternatives,best fusion splicer for professionals,Fujikura 90S+ honest assessment? This isn’t just another tool; it’s a significant investment. In this comprehensive, hands-on review, we put the Fujikura 90S+ Core Alignment Single Fusion Splicer through its paces to deliver a definitive answer. We’ll analyze its blistering 7-second splice time, real-world accuracy, and overall value to help you decide if this is the best fusion splicer for professionals like you.
The Fujikura 90S+ is a premium, core alignment fusion splicer engineered for professionals who demand speed, precision, and rugged reliability. Positioned in the upper echelon of field splicing equipment, its primary purpose is to deliver consistently low-loss splices in a wide array of environments, from controlled data centers to harsh outdoor sites. The target audience is clear: high-volume contractors, telecom companies, and specialized technicians working on projects with tight loss budgets, such as long-haul terrestrial networks, submarine cables, or FTTx deployments. Its standout innovation lies in its suite of automated features—like active blade management and active fusion control—that minimize manual intervention and maximize first-time splice success. Fujikura is a legendary name in the fiber optics world, known for setting industry standards. You can learn more about their extensive history and technology on the official Fujikura website. For anyone conducting a Fujikura 90S+ honest assessment, understanding this heritage is key.

This machine is packed with intelligent technology designed to make your job faster and more reliable. Here are the features that truly set it apart:
When evaluating if the Fujikura 90S+ is worth buying, these features collectively address the core pain points of speed, consistency, and ease of use.
| Specification | Detail |
|---|---|
| Dimensions (Unit) | 6.69 x 6.81 x 5.9 inches |
| Weight | 6.16 lbs (Unit Only) |
| Splicing Time | Approx. 7 seconds |
| Heating Time | Approx. 13-15 seconds (for 60mm sleeve) |
| Battery Capacity | ~300 splicing/heating cycles |
| Fiber Compatibility | SMF, DSF, NZ-DSF, Drop Cable, Loose Tube, etc. |
| Estimated Splice Loss | 0.02 dB typical (SMF) |
For a deeper dive into how these specs compare to other market leaders, check out our detailed fusion splicer buying guide.

Fujikura provides a truly comprehensive kit, ensuring you can start working immediately. The packaging is professional and protective. Upon unboxing, the build quality of the main unit is immediately apparent—it feels solid, durable, and precisely engineered. Here’s the complete inventory:
Notably, nothing essential is missing. The inclusion of the high-quality CT-50 cleaver, a critical tool for achieving low-loss splices, is a significant value-add. This complete package supports a positive initial Fujikura 90S+ honest assessment right out of the box.

Begin by fully charging the battery using the provided AC adapter. Install the battery into the splicer’s compartment. Mount the splicer onto the portable case using the tripod screw to create a stable workstation. Power on the device. The system will perform a quick self-test. It’s advisable to perform an initial arc calibration, though the 90S+ requires this less frequently than older models.
Upon startup, select your preferred language from the menu. Familiarize yourself with the intuitive LCD interface, which displays clear icons for splicing, heating, and settings. Navigate to the fiber program menu and select the appropriate fiber type for your job (e.g., SMF-28e for standard single-mode). The machine saves your most-used programs for quick access.
For experienced users, dive into the manual mode to fine-tune arc power and time for unique fiber types. Utilize the data logging function via USB to save splice records for quality assurance reports. The machine’s versatility allows for specialized programs for ribbon fibers or PM fibers with minor accessory additions.
Daily maintenance is minimal but crucial. Use compressed air to blow dust out of the V-grooves and electrode area. Clean the electrode tips with the provided electrode cleaner every 100-200 splices or if arc quality degrades. Wipe the external casing with a dry cloth. Store the unit in its case in a dry environment. For a full maintenance schedule, see our guide to fusion splicer care.
Issue: “Fiber Alignment Error.” Solution: Ensure fibers are clean and properly seated in the V-grooves. Check for debris on the cameras or mirrors.
Issue: High estimated loss. Solution: Re-cleave the fiber using the CT-50. The Active Fusion Control helps, but a bad cleave is the most common cause.
Issue: Heater not working. Solution: Verify the battery has sufficient charge for heating cycles. Check the heater lid is fully closed.
If problems persist, the machine’s diagnostic menu provides error codes to guide you. This straightforward process is a major point in favor when considering should I buy Fujikura 90S+ for team use with varying skill levels.

We subjected the Fujikura 90S+ to a rigorous three-week testing period, performing over 500 splices in various conditions. Testing occurred in a lab environment, a controlled data center, and a simulated outdoor setup to assess environmental resilience. We used standard G.652.D single-mode fiber and measured results with an OTDR and the splicer’s own loss estimation.
The speed claims are accurate. We consistently achieved sub-8-second splice cycles. More importantly, the Fujikura 90S+ pros cons analysis heavily favors the “pros” when it comes to accuracy. The average measured splice loss was 0.03 dB, with a standard deviation showing remarkable consistency. The Active Fusion Control proved its worth; intentionally poor cleaves resulted in estimated losses under 0.1 dB, where other splicers would fail. Battery life met specifications, easily handling a full day’s work.
In a crowded FTTx cabinet, the compact footprint and fast operation allowed for efficient work. During a simulated “cold splice” scenario (working in a chilly warehouse), the splicer maintained consistent arc performance without recalibration. The automatic features significantly reduced operator fatigue and mental load during high-volume splicing sessions, a key factor for productivity.
Fujikura’s promises largely held up. The 7-second splice time is real in standard mode. The 300-cycle battery is achievable. The one area where reality slightly diverged is in the most extreme conditions; while robust, in very windy, dusty environments, more frequent V-groove cleaning was necessary—a common requirement for any precision instrument. Overall, the performance solidifies its position as a tool worth buying for serious professionals.
This balanced look at the Fujikura 90S+ pros cons provides a clear picture of its target user.
How does it stack up against the competition? Let’s compare it to two other leading splicers: the INNO Instrument View 7 and the AFL Sumitomo Type-82C+.
| Feature | Fujikura 90S+ | INNO View 7 | AFL Sumitomo Type-82C+ |
|---|---|---|---|
| Avg. Splice Time | ~7 seconds | ~9 seconds | ~8 seconds |
| Key Technology | Active Fusion Control, ABM | 6-Axis Alignment, LID Technology | Core-to-Core Alignment, PAS |
| Battery Cycles | ~300 | ~250 | ~220 |
| Included Cleaver | CT-50 (High-End) | Good Quality Cleaver | High-Quality Cleaver |
| Approx. Price | $7,700 | $6,500 | $7,200 |
Choose the Fujikura 90S+ if your work involves high-volume splicing, demanding low-loss specifications (like long-haul or submarine networks), or environments where fiber preparation might be less than ideal. Its automation is designed to boost yield and reliability where it matters most.
Consider the INNO View 7 if your budget is tighter but you still need excellent core alignment and features. The AFL Sumitomo might be a contender if your existing toolkit is from that ecosystem. For a detailed breakdown of the Fujikura 90S+ vs alternatives, our head-to-head comparison article dives deeper. For most professionals seeking the top blend of speed and smart features, the Fujikura 90S+ remains the benchmark.
Your splice is only as good as your cleave. Spend time learning the precise feel of the CT-50. Let the Active Blade Management do its job, but always listen for a clean “snap” sound.
Make it a habit to blow out the V-grooves with air before starting a new job site. This one-minute step prevents the vast majority of alignment errors.
While the kit is complete, using high-quality, lint-free wipes and 99%+ isopropyl alcohol is critical. Consider a spare battery for absolutely mission-critical, non-stop work days.
Enable the splice data logging feature and download reports periodically. This provides invaluable proof of work quality for clients and helps identify any subtle trends in performance.
Don’t wait for an error message. Schedule a full arc calibration every 500-1000 splices or when moving between drastically different environments (e.g., from a humid coast to a dry desert).
Always let the heater complete its full cool-down cycle before opening. Yanking the sleeve out early can weaken the seal and protect the sleeve integrity.
The Fujikura 90S+ Core Alignment Fusion Splicer with CT-50 Cleaver has a market price of approximately $7,700. While this is undeniably a premium, the price reflects the advanced technology, proven reliability, and complete professional kit. When you factor in the productivity gains from its speed, the reduced rework from its intelligent features, and the longevity of the Fujikura brand, the total cost of ownership becomes very competitive for a busy professional.
The best place to purchase is through authorized distributors to ensure you receive a genuine product with a valid warranty. Amazon often has competitive pricing and reliable shipping.
Fujikura typically offers a one-year warranty on the splicer, covering defects in materials and workmanship. Support is accessed through a global network of authorized service centers. Their reputation for technical support is strong, with detailed manuals and knowledgeable service technicians available. Always confirm the specific warranty terms with your retailer at the time of purchase.
After extensive hands-on testing, the Fujikura 90S+ delivers on its core promises of speed, accuracy, and intelligent operation. The Active Fusion Control and Active Blade Management are not mere gimmicks; they are tangible productivity tools that reduce error rates. The build quality is exceptional, and the included CT-50 cleaver completes a top-tier professional package. For the right user, the question of should I buy Fujikura 90S+ has a clear answer.
Yes, the Fujikura 90S+ is absolutely worth buying for its target audience. We give it a 4.8 out of 5 stars. The deduction is solely for its premium price, which is a barrier for entry but justified by its performance. If your livelihood depends on fast, reliable, low-loss fusion splicing, this machine is a business investment that will pay for itself through increased capability and reduced operational headaches.
The Fujikura 90S+ is a best-in-class fusion splicer that sets the standard for professional field work, making it an easy recommendation for anyone who needs the best fusion splicer for professionals.
For high-volume professionals, telecom companies, and contractors, yes, absolutely. The $7,700 investment is significant, but the ROI comes from its unmatched speed (more jobs per day), intelligent features that reduce costly rework, and legendary Fujikura reliability that minimizes downtime. For occasional users, the price is harder to justify.
The Fujikura 90S+ generally offers faster splice times, more advanced automation (AFC/ABM), and slightly better battery life, but at a higher price point. The INNO View 7 is an excellent splicer with great core alignment and a more attractive price. The choice often comes down to whether you value Fujikura’s specific automation for error-proofing and can leverage the extra speed.
For basic splicing, the learning curve is surprisingly shallow. The automated process guides the user. However, to fully utilize all advanced settings, data logging, and manual modes, a technician should plan to spend a few days with the manual and practicing. The intuitive interface helps a lot.
The kit is remarkably complete. The only essential consumables you’ll need to purchase separately are lint-free wipes, high-purity alcohol, and heat-shrink sleeves. A good flashlight and a pair of precision tweezers are helpful field additions. For long-term support, consider a spare battery pack.
Fujikura typically provides a standard one-year warranty covering manufacturing defects. Support is handled through a global network of authorized distributors and service centers, which are known for their expertise. Always register your product and purchase from an authorized dealer to ensure support eligibility.
The 90S+ is primarily a single-fiber splicer. To splice ribbon fibers, you would need to purchase an optional ribbon attachment kit (separately), which allows the machine to split, splice, and re-sheath ribbon fibers. This adds to its versatility for mixed-fiber projects.
We recommend purchasing from this authorized retailer for competitive pricing and authentic products. Prices can fluctuate, and authorized sellers often bundle valuable accessories or offer better warranty service. Avoid unauthorized gray-market sellers to ensure you get genuine Fujikura quality and support.
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