Leak Generator – Leak Master LM-1C


The constant leak generator, Cosmo’s LEAK MASTER LM-1C, is a flow check device applied to air-tightness tests. It is developed for the detection of pressure sensitivity and test specified flow, aiming at checking the leak threshold or the calibration of pieces of equipment.

It is indicated to guarantee speed to sensitivity checks, and it can be used for external pressure tests.


  • It keeps the same flow for a long period of time.
  • It can be connected to CAL ports of Cosmo’s air-tightness test devices. The dedicated adaptor is available for being inserted into the circuit between the tested part and the test device.
  • The use of a dedicated plug enables you to restore the sealing circuit in a matter of seconds.
  • A traceability certificate is available upon request.


  • Very Stable over the lifetime
  • Can be used on production line

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