The following data describe a laboratory water system that produces ultrapure water from standard tap water. Model MSLWP‑F3‑VF10SWISS is the 10 litre per hour variant of the VF series. The specifications are measured under the manufacturer‘s standard test conditions.

Technical Specifications

Model identification

• Model number: MSLWP‑F3‑VF10SWISS

• Type: Ultrapure water purification system with pyrogen, RNase, and DNase removal

Production and dispensing

• Water‑making speed: 10 litres per hour (at 25°C)

• Water flow speed: 1.5‑2 litres per minute (requires pressure bucket)

• Water outlets: 2 outlets (RO pure water and Ultrapure water)

Inlet water requirements

• Source: Urban tap water

• Feed water TDS: <200 ppm

• Inlet water pressure: 0.1‑0.4 MPa

• Water temperature: 5‑45°C

RO pure water quality (first stage)

• Desalination rate: 95‑99% (with new RO module)

• Conductivity: ≤10 μS/cm

Ultrapure water quality (final output)

• Resistivity (25°C): 18.25 MΩ·cm

• Conductivity: ≤0.055 μS/cm (calculated from resistivity)

• TOC: <3 ppb

• Particles (>0.22 μm): <1 per ml

• Microorganism: <1 cfu per ml

• Pyrogen: <0.001 EU per ml

• RNases: <1 pg per ml

• DNases: <5 pg per ml

Physical dimensions

• Dimensions (W × D × H): 470 × 450 × 550 mm

• Package dimensions (W × D × H): 640 × 550 × 700 mm

• Gross weight: 37 kg

Electrical

• Power supply: 220V / 50Hz

• Power consumption: 120W

• Low‑voltage 24VDC main power supply for safety in humid environments

Standard configuration

• Main unit (including 1 set of filters)

• Built‑in 8L pressure tank with anti‑bacteria transparent inner pouch (replaceable)

• End point filter (0.22 μm terminal filter)

• Accessory package

Configuration code: ①②③④⑤⑥⑦⑧⑨⑩ (VF series full configuration)

Key elements include:

• Type U Korean quick‑insert filters with imported filtering materials

• Upgraded self‑cleaning filter with built‑in 10″ 10μm stainless steel filter mesh and silicone soft scraping (no PP cotton filter replacement needed)

• Long‑acting KDF filter (10 times the adsorption life of activated carbon)

• Imported UF ultrafiltration column for pyrogen and RNA removal

• Built‑in feed water pressure test gauge

• Three‑way water quality sensor (feed water, RO, UP) with five‑way signal integration

• Timing quantitative water taking function

• USB Host interface for data export of historical alarm records and water intake records

• RO and UP water circulation system with UV sterilisation

Safety features

• Over‑temperature audible and visual alarm (integrated)

• Low‑voltage 24VDC main power supply for personal safety in wet lab environments

• Power‑off parameter memory

• Automatic reminder for filter replacement

Scope of application (VF series)

• High‑sensitivity ICP/MS

• PCR and qPCR

• ppt‑level analysis

• Isotope analysis

• Molecular biology

• Life sciences

• Disease control centers

• Drug testing institutes

• Quality inspection institutes

• University research laboratories

• Various high‑end precision instruments

Benefits for your laboratory

The specifications above produce measurable improvements in daily laboratory operations. Each point below connects a feature to a practical outcome.

Ultrapure water at 18.25 MΩ·cm for sensitive assays – The two‑stage purification (RO followed by ion exchange, UV, and UF) delivers water at the theoretical maximum resistivity. HPLC mobile phases prepared from this water produce clean, stable baselines. ICP‑MS blanks show no detectable contamination. LC‑MS runs exhibit minimal background noise.

Removal of biological contaminants for molecular work – The VF series removes pyrogen to <0.001 EU per ml, RNases to <1 pg per ml, and DNases to <5 pg per ml. PCR master mixes prepared with this water show no unexpected nuclease degradation. Cell culture media support consistent growth across multiple passages. RNA extraction yields intact, high‑quality nucleic acids.

Self‑cleaning front filter eliminates PP cotton replacement – The built‑in 10μm stainless steel filter mesh with silicone soft scraping cleans itself. The operator turns a knob, and the scraper removes accumulated particles. No more buying and replacing PP cotton filters every few weeks. A laboratory processing 50 litres per day saves approximately 20 filter changes per year.

Long‑acting KDF filter lasts 10 times longer than activated carbon – The KDF (Kinetic Degradation Fluxion) filter removes chlorine and heavy metals while inhibiting bacterial growth. Its 10‑fold longer lifetime means fewer changeouts. The system alerts the user only when the KDF filter actually needs attention, not on a fixed schedule.

Transparent, replaceable inner pressure tank pouch shows water level – The built‑in 8 litre pressure tank has a transparent inner pouch. The operator sees the remaining water volume at a glance. The pouch material is antibacterial, and the pouch itself can be replaced without replacing the entire tank. This avoids the hidden biofilm buildup common in opaque pressure tanks.

USB data export for audit‑ready records – The system stores historical alarm records and water intake records. A technician plugs a USB drive into the host interface and exports the log. Accredited laboratories use this data for internal audits and external inspections. No manual logging, no missing entries.

Common frustrations with ultrapure water – and how this system solves them

Pain point: RNase and DNase contamination ruins PCR experiments.
Standard ultrapure water lacks nuclease removal. A single contaminated batch degrades RNA or DNA in sensitive assays. The MASTER SCIENCE MSLWP‑F3‑VF10SWISS ultrapure water purification system (a VF series model with an imported UF ultrafiltration column) removes RNases to <1 pg per ml and DNases to <5 pg per ml. PCR master mixes prepared from this water show intact nucleic acids after thermal cycling. No unexplained band smearing, no degraded controls.

Pain point: Pyrogen contamination causes false results in cell‑based assays.
Endotoxins from Gram‑negative bacteria activate immune cells and alter assay outcomes. The same MASTER SCIENCE MSLWP‑F3‑VF10SWISS ultrapure water purification system (a pyrogen‑removing model with <0.001 EU/ml endotoxin) reduces pyrogen to undetectable levels. Cell culture media and buffer solutions support sensitive cell lines without unexpected activation. Toll‑like receptor assays and cytokine measurements remain accurate.