Airtightness checking machine by volumetric comparison

Enginered and made in Switzerland

The Unirox is a precision measuring device for checking the airtightness of watches, using volumetric control technology.

It measures the air leakage in a watch case at a pressure between 0 and 10 bar, as well as in vacuum (-0,5 bar).

The advantage of this process is that it prevents the watch case, and therefore the movement, from coming into contact with potentially damaging water in the event of a leak.


Machine functions

  • Measurement by volumetric comparison of a watch case
  • Possibility to test a single watch without a reference. After Sales compatible !
  • No special toolage required
  • Dual print bucket lined with an anti-scratch coating (XS and L, S et M)
  • Color touch-screen
  • Minimized external dimensions. Easy handling
  • Standard cycle time between 1.5 to 4 minutes

Software fonctions

  • Intuitive menus in 5 languages
  • Many adjustable parameters
  • Simple and intuitive programming
  • Watch-specific or generic programmes
  • Watch volume learning function
  • Data exportable via USB stick

Technical specifications

Supply voltage :

Power :

Min. input pressure :

Maximum inlet pressure :

Ambient humidity rate :

Ambient temperature :

Weight :

Dimensions closed device (l/d/h) :

Dimensions open device (l/d/h) :

110-230 V / 50-60 Hz
(External power supply, transformer 24 VDC / 1 A / 24 W)

140 W

5 bar

12 bar

between 30 and 60%

20 to 28°C

9 kg

150 x 365 x 220 mm

150 x 475 x 220 mm

download the technical sheet