LACO's family of AURA™ Air Leak Testers can be configured to one of many air leak testing methods and are available in two based models:  

  • AURA Compact—a low cost, high performance, standard air leak testing instrument
  • AURA Multi-Test—a high performance standard leak test instrument that can be customized to meet your unique application

Use the table below to select which AURA model is right for your application. Or use our AURA Product Configurator to select the model to best meet your needs.




Operator Interface Display
7.0″ Color Touchscreen
7.0″ Color Touchscreen
Overall Dimensions
9″ H x 12″ W x 12″ D (23 cm H x 30.5 W cm x 30.5 cm D)
11″ H x 16″ W x 16″ D (28 cm H x 41 W cm x 41 cm D)
Leak Rate Sensitivity (part size, time, pressure dependent)
< 0.1 sccm
< 0.1 sccm
Pressure Sensor Resolution (decay mode, 15 psig)
24 bit A/D, 0.00001 psi resolution
24 bit A/D, 0.00001 psi resolution
Test Pressure Range
Vacuum to 100 psig
Vacuum to 3,000 psig
Available Test Channels
1, 2, 3, 4
Available Test Methods (one method per configuration)
Pressure & Vacuum Decay, Differential Pressure Decay, Mass Flow (Direct & Differential)
Pressure & Vacuum Decay, Differential Pressure Decay, Mass Flow (Direct & Differential), High Vacuum Decay, Force Decay, Custom
Communication Interface
Discrete Interface
Remote Control, Clamp Output
Remote Control, Clamp Output, Plus Spare I/O for Customization
Ticket Printer
Not Available
Available as an Option

Both units are rich in features, including a color touch screen display, and come with a 2 year warranty. Either of these AURA models can be configured to test using one of many air leak testing methods, including:

These instruments are ideal for manufacturers who require optimal up-time, high reliability, test flexibility, accuracy, data logging, and quick results. To learn more about AURA Air Leak testers check out our products below.