Considerations Before Installation; Safety Considerations; Environmental Considerations - Emerson Rosemount 2120 Reference Manual

Installation
December 2016
External surfaces may be hot.
Care must be taken to avoid possible burns. The flange and process seal may also be hot at high

process temperatures. Allow to cool before servicing.
Process leaks could result in death or serious injury.
Install and tighten process connection before applying pressure.

Do not attempt to loosen the process connection while the level switch is in service.

Make sure that the level switch is handled carefully. If the process seal is damaged, gas might escape

from the tank.
2.2

Considerations before installation

Important
Emerson is not in a position to evaluate or guarantee the compatibility of the process fluid or other
process parameters with the product, options, configuration or materials of construction selected.
2.2.1

Safety considerations

Safety instructions and control drawings specific to hazardous area installations are in
Appendix B: Product
Guide
general safety information.
2.2.2

Environmental considerations

The Rosemount 2120 Level Switch ("level switch") is available as Intrinsically Safe (IS) or
explosion-proof/flameproof versions for hazardous area installations. There are also ordinary location
versions for unclassified, safe areas. Approvals are listed in
This level switch is designed for detecting liquids in open or closed tank, and pipe installations.
It is weatherproof and protected against the ingress of dust, but must be protected from flooding.
Avoid installing the level switch near heat sources.
Figure 2-1. Environmental Considerations
6
Certifications, and there are safety instructions in the Rosemount 2120
(see Emerson.com/Rosemount
OK OK
for other language versions). These safety instructions also include
Appendix B: Product
Reference Manual
00809-0100-4030, Rev FA
Quick Start
Certifications.
Installation