Reference Manual
00809-0100-5550, Rev AB
May 2019
Rosemount™ 550DW
Single-use Dissolved Oxygen Sensor Adapter for Bioprocessing
Applications
Essential instructions
Read this page before proceeding!
Emerson designs, manufactures, and tests its products to meet many national and international standards. Because these
instruments are sophisticated technical products, you must properly install, use, and maintain them to ensure they continue to
operate within their normal specifications. The following instructions must be adhered to and integrated into your safety program
when installing, using, and maintaining Emerson products. Failure to follow the proper instructions may cause any one of the
following situations to occur: loss of life, personal injury, property damage, damage to this instrument, and warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the product.
• If you do not understand any of the instructions, contact your Emerson representative for clarification.
• Follow all warnings, cautions, and instructions marked on and supplied with the product.
• Inform and educate your personnel in the proper installation, operation, and maintenance of the product.
• Install equipment as specified in the installation instructions of the appropriate Reference Manual and per applicable local and
national codes. Connect all products to the proper electrical and pressure sources.
• To ensure proper performance, use qualified personnel to install, operate, update, program, and maintain the product.
• When replacement parts are required, ensure that qualified people use replacement parts specified by Rosemount.
Unauthorized parts and procedures can affect the product's performance, place the safe operation of your process at risk, and
may result in fire, electrical hazards, or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place, except when maintenance is being performed
by qualified people, to prevent electrical shock and personal injury.
2
Reference Manual Contents
00809-0100-5550 May 2019
Contents
Chapter 1 Features.........................................................................................................................5
Chapter 2 Specifications.................................................................................................................7
Chapter 3 Install.............................................................................................................................9
Chapter 4 Calibrate...................................................................................................................... 11
Chapter 5 Troubleshoot............................................................................................................... 13
5.1 Label information too small............................................................................................................ 13
5.2 Manual temperature compensation............................................................................................... 13
Chapter 6 EU Declaration of Conformity....................................................................................... 15
Reference Manual iii
Contents Reference Manual
May 2019 00809-0100-5550
iv Rosemount 550DW
Reference Manual Features
00809-0100-5550 May 2019
1 Features
Figure 1-1: Rosemount™ 550DW with Sensor Installed
Robust sensor adapter
• Sensor window compatible with standard dissolved oxygen sensors without reducing
measurement performance.
• Adapts sensors designed for stainless steel bioreactors into single-use bags.
• Membrane allows for up to 10 psi (68.9 kPa) pressure without a sensor supporting.
• Compatible with 4.7 in. (120 mm) sensor with a PG13.5 process connector.
• All wetted materials are USP Class VI, ADI-free, and chosen for minimal extractables.
Ease of installation
• Reuse dissolved oxygen sensor across multiple batches without autoclaving, as it does
not contact process solutions.
• Adapter arrives installed and gamma-irradiated with the single-use bioreactor bag.
Reference Manual 5
Features Reference Manual
May 2019 00809-0100-5550
6 Rosemount 550DW
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