Portable units

Periodicity : 24 months
Reception of devices in our premises in good packaging.
Contents  :

Fixed devices ( in situ control)

Periodicity : according to devices and applications.

• Visual control
• Control sound indicator
• Control visual indicator
• Check with gas standard for two Concentrations in nominal conditions.
• Certificate of individual control of the manufacturer.
• Apposition on the device of a label of control (with month and year).