QINSUN QS-10 Filter Integrity Tester is a portable, high-precision instrument designed for automated integrity testing of filters. It complies with the 2025 edition of the Pharmacopoeia, GMP/GDP, and FDA 21 CFR Part 11 data integrity requirements. The instrument can perform bubble point, pressure hold, diffusive flow, water intrusion, and ultrafiltration tests on a wide range of filters, filter membranes, and filter systems, ensuring accurate, repeatable, and reliable results.
Application Range:
Sterile filtration in pharmaceutical production (single, multi, capsule, flat, and pleated filters)
Integrity testing of bioprocess and pharmaceutical equipment
Food and beverage industry filtration verification
High-precision air filtration (HEPA/ULPA) in microelectronics
CIP/SIP system verification and maintenance
Filter material research and quality control
Routine testing by filter manufacturers
Laboratory filter membrane and cartridge integrity evaluation
Test Standards:
Chinese Pharmacopoeia 2025 edition (Sterile filter integrity test)
ASTM F838 (Bubble point method for filter membranes)
ASTM D5199 (Air/liquid filtration membrane performance test)
ISO 2548 series (Pressure decay and diffusive flow methods)
GMP/GDP filter validation guidelines
FDA 21 CFR Part 11 (Data integrity compliance)
Specifications:
Power Supply: AC 170–240V, 50/60Hz, 100W
Operating Pressure: 100 – 10,000 mbar
Test Accuracy: Net Volume ±4%; Bubble Point ±50 mbar; Diffusive Flow ±4%; Water Intrusion ±0.01%
Test Functions: Enhanced bubble point, pressure hold, diffusive flow, water intrusion, ultrafiltration
Test Time: Bubble point: 3–10 min; Diffusive flow: 6–10 min; Water intrusion: 6–10 min; Pressure hold: 3–5 min
Compatible Filters: Symmetric/asymmetric membranes, capsule filters, flat filters, cartridge filters, needle filters, ultrafiltration membranes
User Interface: 10.2-inch color touchscreen; Chinese/English/Russian
Data Storage: 32 GB; up to 1,000,000 test records; USB export supported
Communication Interface: RS232 / USB / 4–20 mA / RS485 / 12V alarm (optional custom protocol)
Dimensions: 330 × 350 × 220 mm
Operating Environment: Class D cleanroom or above; 0–60°C; 10–80% RH
Features:
High Precision and Intelligent Operation
High-precision pressure sensors with advanced test algorithms
Intelligent temperature compensation for consistent results
Smart leak detection distinguishes system leaks from filter defects
Automatic volume calculation reduces human error
Stability and Reliability
IP54 rated, full-metal chassis, three-proof treatment for industrial environments
MTBF More than 50,000 hours, continuous 24h operation capability
Dual power supply and UPS support for uninterrupted testing
PID-controlled electromagnetic valve ensures ±1 mbar pressure accuracy
Intelligent User Experience
Microsecond-level response with real-time display of pressure and flow curves
Built-in electronic signatures and audit trails with four-level access control
1,000 pre-set test programs for flexible operation
High Compatibility
Supports filter diameters Φ25mm–Φ300mm, 2.5"-40" pleated cartridges, capsule filters
Can test single or multiple filter cartridges simultaneously (up to 15)
Auto-detection of hydrophilic/hydrophobic membranes for optimized testing (bubble point, diffusive flow, water intrusion, pressure hold)
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