Sierra Instruction Manual ATEX Certified Units: 640S-EEX & 780S-EEX
Page 10 of 15
9. Returning Equipment to Factory
Before returning any mass flow meter to the factory, you must request and complete a Sierra
Calibration/Repair Data Sheet. To obtain the data sheet contact Customer Service at:
www.sierrainstruments.com or (831) 373-0200 in the USA or +31(0)72-5071400 in Europe.
Return shipments to:
USA Headquarters
Sierra Instruments, Inc.
Attn: Customer Service Department
5 Harris Court, Building L
Monterey, CA 93940
European Headquarters
Sierra Instruments b.v.
Customer Service Department
Bijlmansweid 2
1934RE Egmond aan den Hoef
The Netherlands
When returning a component, make sure to include the completed Calibration/Repair Data
Sheet with the shipment.