Certificates And Approvals - Siemens SITRANS FS230 Compact Operating Instructions

Ultrasonic flowmeters
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Note
Size the cable length and diameter to provide 20 V DC at power terminals at load current of 0.75
A
Table 7-33
Description
Glands
Entries
: If operating temperature is below -20 °C (-4 °F), use Brass/Ni plated or stainless steel cable
1)
glands.
Cable glands and fittings for use in Explosive Atmospheres
1. M20 to ½ NPT adaptors, M12 connector and plugs supplied by Siemens have been approved
as part of the certification.
2. Cable glands shall be rated for a minimum ingress protection rating of IP54 and have an
ambient temperature rating suitable for the installation with a safety factor of 5 °K above the
maximum ambient.
3. The threads shall be M20 x 1.5. A sealing ring or gasket shall be used. Cable sizes of 5 to
14.3 mm may be used unless otherwise restricted by the manufacturer.
4. Cable glands for use in Zone 2 explosive atmospheres shall be rated Ex e as follows:
– For use in US Zone 2 explosive atmospheres they shall be rated AEx ex or AEx eb. They
– For Canadian, IECEx or ATEX Zone 2 explosive atmospheres they shall be rated Ex ec or Ex
7.11

Certificates and approvals

Note
Device-specific approvals
Always refer to nameplates on the device for device-specific approvals.
SITRANS FS230
Compact Operating Instructions, 05/2021, A5E38755607-AC
Transmitter cable glands and entries
shall also be rated for Enclosure Type 4.
eb.
Technical specifications
7.11 Certificates and approvals
Specification
Material
– Nylon
1)
– Brass/Ni plated
– Stainless steel AISI 316/1.4404
Cable cross section
– ∅ 8 to 17 mm (0.31" to 0.67")
– ∅ 5 to 13 mm (0.20" to 0.51")
9 x M20
105

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