Emerson 2120 Quick Start Manual page 16

Level switch
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10.6 Drinking water approval
Rosemount Measurement Limited, Slough, UK confirms that the wetted parts of
the Rosemount 2120 Vibrating Liquid Level Switches are suitable and approved
for use in potable water.
The wetted parts of the vibrating level switches executed in:
Stainless steel (option code D) and Alloy C / Alloy C-276 (option code C) with
Flanged, NPT thread, BSPT(R) thread, or Tri Clamp process connections, are in
accordance with the requirements of DVGW - Worksheet W270.The materials
used are classified as toxicologically and microbiologically safe.
10.7 Ordinary location certifications
Ordinary location certification for FM
G5 Project ID: 3021776
The switch has been examined and tested to determine that the design meets
basic electrical, mechanical, and fire protection requirements by FM, a
nationally recognized testing laboratory (NRTL) as accredited by the Federal
Occupational Safety and Health Administration (OSHA).
Ordinary location certification for CSA
G6 Certificate Number: 06 CSA 1805769
The switch has been examined and tested to determine that the design meets
basic electrical, mechanical, and fire protection requirements by CSA, a
nationally recognized testing laboratory as accredited by the Standards
Council of Canada (SCC). Single seal.
10.8 Canadian Registration Number
Certificate number: CRN 0F04227.2C
The requirements of CRN are met when a Rosemount 2120 CSA-approved
vibrating fork level switch model is configured with 316/316L stainless steel
(1.4401/1.4404) process-wetted parts and either NPT threaded or 2 to 8-in.
ASME B16.5 flanged process connections.
10.9 Safety Integrity Level (SIL) certification
The Rosemount 2120 has been independently certified to IEC 61508 as required
by IEC 61511. Certification was conducted by Exida.
The Rosemount 2120 is SIL2-certified, and is SIL3 capable.
10.10 Hazardous locations certifications
Note
A
certified isolating amplifier to IEC 60947-5-6 is required for intrinsic safety if the
NAMUR electronics is used in a hazardous area installation
A certified intrinsically safe barrier is required for intrinsic safety if the 8/16 mA
electronics is used in a hazardous area installation
16
December 2016
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