KROHNE OPTITEMP TT 51 EN - Manual (Page 5)

SAFETY INSTRUCTIONS
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5
TT 51 SERIES
www.krohne.com 09/2010 - 4000754201 - MA TT 51 R01 en
1.1 Intended use
TT 51 C TT 51 C TT 51 C TT 51 C
The TT 51 C is an intelligent, universal HART ® -compatible 2-wire in-head transmitter for
temperature, resistance or voltage measurements in an industrial environment.
The TT 51 C is optionally available in a non-incendive version for use in potentially explosive
atmosphere zone 2 and in an intrinsically safe version for use in zone 0, 1 and 2. These devices
are labelled with the "Ex" symbol.
All versions are intended for installation in a "B connection head" or larger according to
DIN 43729.
TT 51 R TT 51 R TT 51 R TT 51 R
The TT 51 R is an intelligent, universal HART ® -compatible 2-wire rail-mount transmitter for
temperature, resistance or voltage measurements in an industrial environment.
The TT 51 R is optionally available in a non-incendive version for use in potentially explosive
atmosphere zone 2 and in an intrinsically safe version for use in zone 1 and 2. These devices are
labelled with the "Ex" symbol.
All versions are intended for installation on a rail according to DIN 50022.
1.2 Certifications
1.2.1 EC directive compliance
The device fulfils all applicable statutory requirements of the following EC directives:
• EMC Directive 2004/108/EC
• Devices for use in hazardous areas: ATEX Directive 94/9/EC
The manufacturer certifies successful testing of the product by applying the CE marking.
CE marking