Prosonic S FDU90/91/91F/92/93/95/96
22
Hauser
Certificates and Approvals
CE mark
The measuring system meets the legal requirements of the EC-guidelines. Hauser confirms the
instrument passing the required tests by attaching the CE-mark.
Ex approval
The available certificates are listed in the ordering information. Note the associated safety instructions (XA) and
control or installation drawings (ZD).
Warning!
• Measuring systems for use in hazardous environments are accompanied by separate "Ex documentation",
which is an integral part of this Operating Manual. Strict compliance with the installation instructions and
ratings as stated in this supplementary documentation is mandatory.
– Ensure that all personnel are suitably qualified.
– Observe the specifications in the certificate as well as national and local standards and regulations.
• The transmitter may only be installed in suitable areas.
• Sensors with a certificate for hazardous areas may be connected to a transmitter without a certificate.
• For FM approvals:
Unauthorized substitution of components may impair the suitability for Division 1 or Division 2.
• Do not disconnect equipment unless the area is known to be non-hazardous.
Note!
The sensor must be installed and used in a way that eliminates any danger. Possible installation positions: in
tanks, vessels, silos, over stockpiles, open channels, weirs or other bins.
External standards and
guidelines
EN 60529
Protection class of housing (IP code)
EN 61326 series
EMC product family standard for electrical equipment for measurement, control and laboratory use
NAMUR
User association for automation technology in process industries
