telephone Assistance, able to give advices or clarifications relating the utilization of the units, as well as their maintenance,

training of the staff in charge of the use of the instrumentation; the training is carried out at Zambelli or, upon request, at the Customer's offices.

supply of Technical Instruction Manuals, Guides and/or Lectures.

The first one is directly prepared by Zambelli S.r.l. by the employ of primary standard instruments of their own making direct reference to the metrological chain (SIT Certificate or foreign equivalent one) and iit is used only for this activity; it is useful to all those who wish to get safety of the measurements taken on the spot, without bearing the economical costs of the direct manage relating to the instruments/samplers.
 

The second one is issued by SIT calibration Centres, or foreign equivalent Centres, on behalf of Zambelli S.r.l. and it is suggested to all those who need the direct reference to the metrological chain, as for instance the laboratories that want to reach or keep SINAL accreditation.