Vacuum and Pressure Attenuation Leak Testing

How the MFT-600 and MFT-1000 leak testers work: vacuum and pressure attenuation, sensitivity, minimum detectable aperture and supporting services.

Measurement methods

The MFT-600 uses the vacuum attenuation (vacuum decay) method. It is semi-automatic, non-destructive, and converts the measured leak rate automatically into a defect aperture in μm.

The MFT-1000 supports both vacuum attenuation and pressure attenuation. Its test chamber sits above the main unit and is customized to the customer's product.

Sensitivity compared

ParameterMFT-600MFT-1000
Minimum detectable aperture2 μm1.5 μm
Test sensitivity0.00057 sccm0.00057 sccm
Differential pressure sensor-2 to 2 kPa, error ≤ 0.5% F.S.-2 to 2 kPa, error ≤ 0.5% F.S.
Differential pressure resolution0.1 Pa / 0.01 Pa0.1 Pa / 0.01 Pa
Pressure test range-0.1 to 0.2 MPa; -0.1 to 0.7 MPa; -0.1 to 1.0 MPa-0.1 to 0.2 MPa; -0.1 to 0.7 MPa; -0.1 to 1.0 MPa
Weight19 kg51 kg

Supporting services

Positive control (leak standard) preparation, standard leak rate / annual leak verification, new sample mold customization, method parameter development and verification.

Documented by MedIntegrity to comply with USP <1207> and ASTM F2338 standards.

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