GBPI GB-M1B Seal Integrity Tester
| Brand | GBPI |
|---|---|
| Model | GB-M1B |
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Price Range | USD 1,400 – 4,200 (FOB) |
| Vacuum Range | 0 to −95 kPa |
| Vacuum Accuracy | ±1 kPa |
| Vacuum Hold Time | 0.1–9999.9 s |
| Test Chamber Dimensions | Ø300 × 350 mm |
| Effective Vacuum Chamber Size | Ø270 × 270 mm |
| Compressed Air Pressure | 0.7–0.8 MPa |
| Air Consumption | 20 L/min |
| Power Supply | AC 220 V, 50 Hz |
| Instrument Dimensions (Controller) | 580 × 345 × 440 mm |
| Net Weight | 12 kg |
| Operating Temperature | 10–40 °C |
| Power Rating | 100 W |
Overview
The GBPI GB-M1B Seal Integrity Tester is an automated vacuum decay-based instrument engineered for objective, repeatable evaluation of package seal integrity in rigid and flexible packaging systems. It operates on the principle of controlled vacuum application followed by pressure decay monitoring within a sealed test chamber—enabling detection of gross leaks, channel defects, and compromised seal continuity in non-porous or semi-porous packaging structures. Designed for compliance-driven environments, the system supports standardized leak detection protocols aligned with ISO 11607-2, ASTM D3078–22 (Standard Test Method for Determining Leaks in Flexible Packaging by Bubble Emission), and GB/T 15171–1994 (Method for Testing Seal Strength of Flexible Package). Its pneumatic actuation architecture eliminates mechanical wear associated with electromechanical vacuum pumps, delivering stable long-term performance in high-throughput QC laboratories.
Key Features
- Integrated pneumatic drive system utilizing clean, regulated compressed air (0.7–0.8 MPa) for vacuum generation—no oil-lubricated pumps, no maintenance-intensive components.
- Programmable vacuum hold time (0.1–9999.9 s) with real-time pressure feedback and ±1 kPa accuracy across the full 0 to −95 kPa range.
- Full automation sequence: auto-vacuum initiation → dwell at set vacuum level → timed hold → automatic venting and return to atmospheric pressure.
- Manual override capability including emergency pause and immediate abort functions for operator intervention during active test cycles.
- Backlit LCD interface displaying real-time vacuum level, elapsed hold time, system status, and error codes—designed for intuitive operation under ambient lab lighting.
- Built-in thermal printer generating traceable test reports with date/time stamp, vacuum setpoint, hold duration, and pass/fail indication per ASTM D3078 Annex A1 reporting conventions.
Sample Compatibility & Compliance
The GB-M1B accommodates a wide range of primary and secondary packaging formats including pouches, blister cards, sachets, trays, and rigid containers up to Ø300 mm diameter and 350 mm height. Its Ø270 × 270 mm effective vacuum chamber ensures uniform pressure distribution across heterogeneous seal geometries. The instrument meets essential requirements for regulated industries: it supports audit-ready documentation per FDA 21 CFR Part 11 (when paired with validated software and electronic signature workflows), aligns with ISO/IEC 17025 calibration traceability pathways, and facilitates GLP/GMP-compliant validation through IQ/OQ protocols. All electrical components conform to IEC 61010-1 safety standards; compressed air interfaces comply with ISO 8573-1 Class 3 particulate/oil/water specifications when used with appropriate filtration (customer-supplied air filter recommended).
Software & Data Management
While the GB-M1B operates as a standalone hardware platform, its embedded firmware enables export-ready data logging via printed reports. For digital integration, GBPI provides optional PC-based software (GBPI SealSoft v3.x) supporting USB-connected data transfer, batch report compilation, statistical process control (SPC) charting (X̄–R, Cpk), and CSV export compatible with LIMS and MES platforms. All digital records retain full metadata—including operator ID, test timestamp, environmental temperature/humidity (if externally logged), and instrument serial number—to satisfy ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) data integrity criteria.
Applications
- Quality assurance of sterile barrier systems in medical device packaging per ISO 11607-2 Annex B.
- Pre-shipment validation of food-grade flexible packaging (e.g., retort pouches, vacuum-sealed meats, coffee bags) prior to distribution.
- Process validation support for pharmaceutical blister packaging lines producing solid oral dosage forms.
- Root cause analysis of seal failures during packaging line troubleshooting—correlating vacuum decay profiles with seal temperature, dwell time, and jaw pressure parameters.
- Supplier qualification testing for contract packaging organizations serving FDA-regulated markets.
FAQ
What vacuum standards does the GB-M1B support?
It complies with ASTM D3078–22, GB/T 15171–1994, and supports method development aligned with ISO 11607-2 Annex B.
Is compressed air supply included with the instrument?
No—users must provide a clean, dry, oil-free compressed air source (minimum 2.5 HP, 8 bar output) with inline filtration meeting ISO 8573-1 Class 3 requirements.
Can test data be exported electronically?
Yes—via optional GBPI SealSoft software using USB connection; raw data exports to CSV for statistical analysis or LIMS ingestion.
What calibration documentation is available?
Factory calibration certificate (traceable to NIM, China) is provided; optional third-party ISO/IEC 17025 calibration services are available upon request.
Does the instrument require annual preventive maintenance?
No scheduled PM is required; routine verification of vacuum accuracy and seal integrity of the chamber gasket is recommended every 6 months per user SOP.

