S-MED Series High Frequency Online UPS 1K-10KVA

·Features an integrated multi-stage input/output EMI filtering system that effectively suppresses electromagnetic interference (EMI) and radio frequency interference (RFI), meeting medical-grade electromagnetic compatibility design requirements.

·Input power factor ≥0.99, utilizing active PFC technology.

·Optimized for low-noise operation with a silent fan and optimized airflow design, resulting in operating noise ≤50 dB.

·Equipped with three-level inverter technology, supporting medical-specific loads such as half-wave rectifier loads, ultrasonic cleaners, and small induction motors

·Output power factor (PF) = 1.0; supports 125% overload for 10 minutes

·Medical-grade protective structure; input and output surge protection rating ≥20kA, protecting medical equipment from damage caused by lightning surges

·32-bit DSP intelligent control, output voltage accuracy ±1%, frequency accuracy ±0.1Hz,50/60 Hz adaptive

·Wide input voltage (90-300VAC)and frequency (40-70 Hz) range; double-conversion mode efficiency up to 91%-94%; high-efficiency mode efficiency 97%

·Double-conversion, fully online architecture with zero-second switching between mains and battery modes

·Flexible charge/discharge management with configurable charging currents of 2A/4A/8A to balance fast charging and battery life

·Independent hot-swappable battery bay supporting battery module replacement without shutdown, improving O&M efficiency by 60%

·Added physical battery disconnect switch to isolate the battery circuit during idle periods,preventing over-discharge degradation and extending battery lifespan

·LCD screen displays real-time battery voltage, capacity, and health status; supports battery self-test functionality

·Optional remote monitoring module enables dynamic tracking of battery parameters and anomaly alerts

Medical Grade: The Power Behind the Mask

Hospitals and labs are the worst places for a temperamental piece of electronics. The air is full of electromagnetic noise from diathermy machines and MRI gradients. The staff need absolute silence to hear patient monitors. And the gear plugged into the wall—infusion pumps, ventilators, ultrasound carts—costs more than a car and is expected to work first time, every time, without a flicker. A generic office UPS that whines, beeps, and dumps switching noise into the supply rails is a liability here. The S-MED Series isn't an office UPS with a medical sticker. It's a ground-up design for clinical spaces, starting with how clean the power is and how quietly it delivers it.

Clean Power That Won't Cross-Talk with Sensitive Instruments

The first thing you notice about the S-MED is what it doesn't do. It doesn't spray radio-frequency interference into the room. Inside, a multi-stage input and output EMI filtering network traps the high-frequency switching hash that every double-conversion UPS generates. The result is a unit that meets medical-grade electromagnetic compatibility standards—the same strict limits that apply to patient monitors and infusion pumps. You can park this UPS next to an EEG machine, an ultrasound cart, or a nurses' station full of wireless telemetry, and it won't raise the noise floor. For a clinical engineer who's spent hours hunting down the source of a mysterious interference pattern on a monitor, that cleanliness alone justifies the choice.

Quiet Enough for a Recovery Room

Noise matters in healthcare. A UPS that whirrs like a server rack or beeps every thirty seconds is not going to make friends in a neonatal unit or a private patient room. The S-MED runs at ≤50 dB—about the level of a quiet library or a hushed conversation. A silent fan and carefully ducted airflow keep the semiconductors cool without screaming about it. The alarm logic is equally restrained: no percussive beeping unless there's a genuine fault that needs attention. In an environment where noise affects patient rest and clinical concentration, this unit does its job without adding to the acoustic load.

Surge Protection That Steps into the Ring

Medical equipment isn't cheap. A lightning strike on the grid or a switching transient from a backup generator can send spikes down the line that fry power supplies and control boards in an instant. The S-MED packs input and output surge protection rated to handle over 20kA. That's industrial-level protection, not the token MOV that comes on a consumer power strip. If the grid throws a tantrum, the UPS takes the hit and the ventilator keeps breathing. For a hospital that might be the only thing standing between a power anomaly and a six-figure equipment replacement bill, this matters.

Three-Level Inverter That Tolerates Difficult Loads

Medical environments are full of equipment that draws power in strange, unfriendly ways. Laser printers and label makers use half-wave rectifiers that can distort a weak inverter's output. Ultrasonic cleaners and small motors pull jagged current waveforms. A basic UPS can choke on these loads, dropping to bypass or triggering nuisance alarms. The S-MED uses a three-level inverter topology that produces a cleaner sine wave with less harmonic distortion. It starts these tricky loads without the waveform collapsing, and it runs them steady. The output power factor is a full 1.0—so a 1000VA unit delivers a genuine 1000 watts. It'll even hold a 125% overload for ten minutes, giving staff plenty of time to shed non‑essential gear during an extended outage.

Digital Precision That Doesn't Drift

A 32-bit DSP controller keeps the output locked: voltage within ±1%, frequency within ±0.1Hz. That's tighter than the utility, which means sensitive electronics run cooler and more predictably. The input window is deliberately broad—90 to 300 volts AC, 40 to 70Hz—so the UPS stays on utility power through the deep brownouts that happen when a hospital's emergency generators are testing and the grid is sagging. It's a true online double-conversion unit, so there's no transfer time when the grid fails. The inverter was already running the load. Double-conversion efficiency is 91–94%, and if the utility is clean you can switch to high-efficiency mode and get 97%, which keeps the power bill down in 24/7 operation.

Battery Management That Extends Life and Simplifies Service

Batteries are the part of a UPS you eventually have to touch. The S-MED makes that touch-point as painless as possible. The charging current is configurable—2A, 4A, or 8A—so you can tune it to the size and chemistry of the battery pack. A smaller current for a modest bank, a faster charge when downtime is critical. More importantly, the battery bay is independent and hot-swappable. You slide out the old pack and slide in a new one without taking the UPS offline and without dropping the load. Maintenance downtime drops by an estimated 60% compared to a unit where you have to open the case and disconnect spade terminals. There's also a physical battery disconnect switch. If the UPS sits idle in a storage room for months, you throw the switch and isolate the battery, preventing the slow, silent death that comes from parasitic drain and deep discharge. It's a small mechanical part that can add years to battery life.

A Display That Tells the Full Story

The front-panel LCD gives you real-time battery voltage, capacity, and state of health. A built-in battery self-test runs on schedule and reports whether the pack can still deliver its rated runtime. For biomed teams managing dozens of UPS units across a campus, that proactive health check eliminates the guesswork of "should we replace these batteries this year or can they go another twelve months?" If you need centralised oversight, an optional remote monitoring module pushes dynamic status updates and anomaly alerts to a network or a building management system.

Where the S-MED Series Belongs

This isn't a UPS for the IT closet. It's built for the spaces where clinical outcomes depend on uninterrupted, clean power:

`Operating theatres and recovery rooms where silence and zero-flicker transfer are non-negotiable

`Medical imaging suites with MRI, CT, and ultrasound systems that demand EMI-clean power

`Patient monitoring stations and ICU wards where a few seconds of outage can trigger alarms and chaos

`Clinical laboratories running sensitive analysers, centrifuges, and refrigeration

`Dental offices and outpatient clinics with expensive digital imaging and CAD/CAM equipment

`Any healthcare environment where electromagnetic compatibility, low noise, and simple battery replacement are not just nice-to-have—they're written into the procurement spec

The S-MED Series High Frequency Online UPS takes the online double-conversion architecture you trust and wraps it in the silence, surge protection, EMI filtering, and serviceability that healthcare demands. It won't beep at your patients, it won't scramble your instruments, and when the battery eventually ages out, you can swap it without breaking a sweat. For the people who keep hospitals running, it's the power supply that finally speaks their language.