Microbiology & sterility
Membrane filtration unit
A manifold with filter funnels connected to a vacuum source (or a peristaltic pump for closed canisters) that passes liquid samples through a 0.45 µm membrane so that microorganisms are retained and can be grown and counted.
- Pharmaceutical
- Biotech
- Water testing
- Food & beverage
- Medical devices

PREVENTIVE MAINTENANCE
Maintenance checklist
Each use
- Disinfect manifold
- Empty and decontaminate the trap
Weekly
- Check valves and seals for leaks
- Replace the vacuum-line filter as needed
Periodic
- Service the vacuum pump
- Check peristaltic pump tubing and head (sterility systems)
SAFETY
Safety precautions
Before you work on the Filtration unit
- Use a trap and filter to protect the vacuum pump and the room from aerosols.
- Handle autoclaved funnels with heat-resistant gloves.
- Treat membranes and filtrates from cultures as biohazard waste.
In LimsPulse · Calibration Management
Keep every Filtration unit in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.