Metrohm 744 pH Meter - Handbuch (Seite 29)

Ionenanalytik • Analyse des ions • Ion analysis • An<lisis i\nico
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744 pH Meter
Metrohm Ltd.
CH-9101 Herisau
Switzerland
Phone+41 71 53 85
85
Fax+41 71 53 89 01
Certificate of Conformity and System Validation
This is to certify the conformity to the standard specifications for electrical appliances and
accessories, as well as to the standard specifications for security and to system validation
issued by the manufacturing company.
Name of commodity: 744 pH Meter
System software: Stored in ROMs
Name of manufacturer: Metrohm Ltd., Herisau, Switzerland
This Metrohm instrument has been built and has undergone final type testing according to
the standards:
Electromagnetic compatibility: Emission
EN55022 / class B, EN50081-1/92 Generic emission
Electromagnetic compatibility: Immunity
EN50082-1/92 Immunity
IEC801-2/91 class 3, EN50082-2, NAMUR Static discharge
IEC801-3 Radiated rf electromagnetic field immunity
IEC801-4 El. fast transient requirements
IEC801-5 ”Surges” immunity
EN50093 Voltage dips, short interruptions
Security specifications
IEC1010, EN61010 class 2, UL3101-1
The technical specifications are documented in the instruction manual.
The system software, stored in Read Only Memories (ROMs) has been validated in
connection with standard operating procedures in respect to functionality, analytical
performance, and accuracy of results.
The features of the system software are documented in the instruction manual.
Metrohm Ltd. is holder of the SQS-certificate of the quality system ISO 9001 for quality
assurance in design/development, production, installation and servicing.
Herisau, Sept. 14. 1995
Dr. J. Frank Ch. Buchmann
Development Manager Production and Quality Assurance
Manager