Message Dialog

Display Update Message

Product Comparison

The maximum number of products that can be compared is 4. Please refine your selection.

Your session is about to timeout due to inactivity. Click OK to extend your time for an additional 30 minutes.

[ { "catentry_id" : "5484180", "Attributes" : { } } ]

This item has been successfully added to your list.

Continue Shopping

Select a Country/Region and Language

Select a Country/Region

Select a Language

Product(s) in your cart may not be available in the selected country and will be removed from your cart if you choose the “SELECT” button below. Please contact us if you need assistance purchasing this product in another country.

US (EN) United States (English)
Contact Us

Products
Products

Actuators

Actuators

Products

Controllers, Instruments & Software

Hydraulic Actuators

Electric Actuators

Pneumatic Actuators

Gear Operators & Gearboxes

Pneumatic Cylinders

View All Actuator Products

Brands

AVENTICS

Bettis

VIEW ALL BRANDS

Asset Performance Management

Asset Performance Management

Products

Field Device Management

Reliability Solutions

View All Asset Performance Management Products

Brands

AMS

VIEW ALL BRANDS

Control & Safety Systems

Control & Safety Systems

Products

Distributed Control Systems (DCS)

Programmable Automation Control Systems (PLC/PAC)

Hydro Governors

Safety Instrumented Systems (SIS)

Industrial Computing

SCADA, Remote Terminal Units (RTU) & Flow Computers

View All Control & Safety Systems Products

Brands

DeltaV

Guardian

Movicon

Ovation™

PACSystems

VIEW ALL BRANDS

Electrical & Lighting

Electrical & Lighting

Products

Controls

Hazardous & Explosionproof Lighting Solutions

Distribution Equipment

Plugs & Receptacles

Electrical Fittings

Reels & Switches

Enclosures & Junction Boxes

Electrical Construction Materials & Lighting

Industrial Heat Tracing

Indoor & Outdoor Heating Cables

View Electrical & Lighting Products View Electrical Construction Materials

Brands

Appleton

Nelson

SolaHD

VIEW ALL BRANDS

Industrial & Factory Automation

Industrial & Factory Automation

FEATURED PRODUCTS

Solenoid Valves

Pneumatics

Industrial Hardware & Software

Products

Seat Valves

Electric Motion Control

Control Power Solutions

Dust Collector Valves

Pressure Regulators & Valves

Fuel Gas & Shutoff Valves

Sensors & Switches

Marine Controls

Proportional Valves

Pinch Valves

View All Industrial & Factory Automation Products

Brands

ASCO

AVENTICS

Movicon

PACSystems

SolaHD

TESCOM

TopWorx

VIEW ALL BRANDS

Measurement Instrumentation

Measurement Instrumentation

Featured Products

Flow Measurement

Pressure Measurement

Level Measurement

Temperature Measurement

Products

Corrosion & Erosion Monitoring

Industrial Wireless Technology

Density, Viscosity & Refractometers

Liquid Analysis

Flame & Gas Detection

Marine Measurement & Analytical

Flow Measurement Systems

Tank Gauging System

Gas Analysis

View All Measurement Instrumentation Products

BRANDS

Flexim

Micro Motion

Plantweb Insight™

Rosemount

Roxar

VIEW ALL BRANDS

Professional Tools & Vacuums

Professional Tools & Vacuums

Products

Construction, Repair & Maintenance Tools

Mechanical, Electrical & Plumbing Tools

Vacuum Equipment

Brands

Greenlee

Klauke

ProTeam

RIDGID

View all Brands

Regulators

Regulators

Products

Pressure Reducing Regulators

Back Pressure Regulators

Slam Shut Devices

View All Regulators Products

Brands

Fisher

TESCOM

VIEW ALL BRANDS

Test & Measurement

Test & Measurement

Products

NI Data Acquisition

Source Measure Units

NI Software

LCR Meters

GPIB & Instrument Control

Software Defined Radios

Switches

NI Vector Signal Transceivers

Oscilloscopes and Digitizers

NI Vector Signal Generators

Digital Multimeters

NI Vector Signal Analyzers

Brands

NI LabVIEW

NI SystemLink

NI CompactDAQ

NI CompactRIO

NI PXI

NI FlexRIO

Valves

Valves

Products

Control Valves

Valve Controllers & Positioners

Pressure Relief Valves

Steam Traps

Isolation Valves

Vacuum Valves

Propane Valves

Nuclear Valves

Vent Valves

Safety Relief Valves

View All Valves Products

Brands

AEV

Anderson Greenwood

ASCO

Clarkson

Crosby

Fisher

Keystone

KTM

Vanessa

VIEW ALL BRANDS

Welding, Assembly & Cleaning

Welding, Assembly & Cleaning

Featured Products

Ultrasonic Welding

Products

Heat Staking

Plastic Vibration Welding

Hot Plate Welding

Infrared Plastic Welding

Ultrasonic Cleaning

Laboratory Equipment

Laser Welding

Custom Tooling Services

View All Welding, Assembly & Cleaning Products

Brands

Branson

VIEW ALL BRANDS

Software
Software

Advanced Industry Software

Advanced Industry Software

SOFTWARE

Food & Beverage

Oil & Gas

Life Science

Power

Manufacturing

Water/ Wastewater

BRANDS

AMS

AspenTech

DeltaV

Guardian

Movicon

Ovation™

VIEW ALL BRANDS

Automation Software

Automation Software

Software

Cybersecurity

Process Control for Power & Water Industries

Field Device Software

Process Control for Process Industries

Industrial Hardware & Software

SCADA Systems

BRANDS

AMS

AspenTech

DeltaV

Guardian

Movicon

Ovation™

VIEW ALL BRANDS

Operations Management Software

Operations Management Software

Software

Asset Optimization with AspenTech

Manufacturing Operations Management

Asset Performance Management

Operator Performance

Digital Twin & Simulation

Plantweb Insight™ Applications

BRANDS

AMS

AspenTech

DeltaV

Guardian

Ovation™

VIEW ALL BRANDS

Industries
Industries

Automotive

Chemical

Electronics

Food & Beverage

Life Sciences

Marine

Medical

Mining, Minerals & Metals

Oil & Gas

Packaging

Power Generation

Pulp & Paper

Water & Wastewater

Services & Support
Services & Support

Support

Contact Us

Engineering Tools

MyAssets

Order Status

Software Downloads & Drivers

Videos

Warranties & Returns

Technical Documentation & Drawings

Certifications & Approvals

Data Sheets & Bulletins

Drawings Center

Legal & Compliance

Manuals & Guides

Security Notifications

Contact Us Educational Services & Training Lifecycle Services

Contact Us

My Training

Company
Company

About Us

About Us

Awards & Recognition

Diversity, Equity & Inclusion

History

Integrity & Ethics

Leadership

Our Brands

Our Purpose, Causes & Values

Ventures

Careers

Careers

Life at Emerson

Students & Graduates

Explore All Opportunities

Investors

Investors

Press Releases

Events & Presentations

Financials

Email Alerts

Stock Info

ESG

Resources

Information Request

Driving ESG Progress

Driving ESG Progress

Environmental Sustainability

Social Responsibility

Governance & Accountability

Expertise

Expertise

Automation Experts Blog

Capital Projects

Cyber Security

Exchange365 Customer Community

Executive Perspectives

Video Center

Webinar Center

Workplace Safety

News & Events

News & Events

Emerson Exchange

Innovation Stories

Media Resources

Newsroom

Contact Us

Our Brands

Emerson United States

Products

Actuators

Products

Controllers, Instruments & Software

Hydraulic Actuators

Electric Actuators

Pneumatic Actuators

Gear Operators & Gearboxes

Pneumatic Cylinders

View All Actuator Products

Brands

AVENTICS

Bettis

VIEW ALL BRANDS

Asset Performance Management

Products

Field Device Management

Reliability Solutions

View All Asset Performance Management Products

Brands

AMS

VIEW ALL BRANDS

Control & Safety Systems

Products

Distributed Control Systems (DCS)

Programmable Automation Control Systems (PLC/PAC)

Hydro Governors

Safety Instrumented Systems (SIS)

Industrial Computing

SCADA, Remote Terminal Units (RTU) & Flow Computers

View All Control & Safety Systems Products

Brands

Electrical & Lighting

Products

Controls

Hazardous & Explosionproof Lighting Solutions

Distribution Equipment

Plugs & Receptacles

Electrical Fittings

Reels & Switches

Enclosures & Junction Boxes

Electrical Construction Materials & Lighting

Industrial Heat Tracing

Indoor & Outdoor Heating Cables

View Electrical & Lighting Products View Electrical Construction Materials

Brands

Industrial & Factory Automation

Select a Country/Region and Language

Select a Country/Region

Select a Language

Product(s) in your cart may not be available in the selected country and will be removed from your cart if you choose the “SELECT” button below. Please contact us if you need assistance purchasing this product in another country.

US/EN United States (English)

Home
Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Warning

Taking this action may invalidate your quote. Do you wish to proceed?
Proceeding will convert your shopping cart into a standard order so that you can make changes.

Proceed

Cancel

Warning

Taking this action may invalidate your quote. Do you wish to proceed?
Proceeding will convert your shopping cart into a standard order so that you can make changes.

Proceed

Cancel

Configure

Request Quote

Learn About

ADD TO WORKSPACE

Product Description

The Rosemount 499ATrDO Trace Dissolved Oxygen (DO) Sensor is a membrane-covered amperometric sensor for the continuous determination of ppb-level dissolved oxygen in water. This dissolved oxygen sensor is ideal for applications with steam condensate and boiler feedwater.

Specifications
Features
Documents & Drawings
Parts & Accessories

Specifications

Download Full Specs

Accuracy: <20 ppb ±1 ppb
>20 ppb ±5% of reading Drift: <4% over 60 days

Temperature Range: 32 to 122 °F (0 to 50 °C)

Measurement Range: 0.1 ppb to 20 ppm

Pressure Range: 0 to 65 psig (101 to 549 kPa abs)

Materials of Construction: Wetted Materials: Noryl™, Viton™, Teflon (TFE) and silicone

Features

Download Case Study

High accuracy of ±1.0 ppb when measuring concentrations below 20 ppb
Rapid stabilization following calibration or maintenance
Easily replaceable membrane with no special tools required
Automatic compensation for changes in membrane permeability
Variopol (VP) connector options allows the sensor to be replaced without running new cable

Documents & Drawings

Parts & Accessories

Search Search

Press enter to collapse or expand the menu.

Filters

Clear All

Filter by:

Brands

Sort alphabetically Sort by number of results

Facet Value

Rosemount
(16)
Rosemount
(16)

Item Type

Sort alphabetically Sort by number of results

Facet Value

Cables
(8)
Cables
(8)
Facet Value

Sensor Parts & Kits
(4)
Sensor Parts & Kits
(4)
Facet Value

Flow Panel
(1)
Flow Panel
(1)
Facet Value

Gaskets & O-Rings
(1)
Gaskets & O-Rings
(1)
Facet Value

Miscellaneous
(1)
Miscellaneous
(1)
Facet Value

Refills & Solutions
(1)
Refills & Solutions
(1)

Measurement Type

Sort alphabetically Sort by number of results

Facet Value

Liquid Analysis
(16)
Liquid Analysis
(16)

Product Type

Sort alphabetically Sort by number of results

Facet Value

Accessories & Parts
(11)
Accessories & Parts
(11)
Facet Value

Spare Parts
(5)
Spare Parts
(5)

Family

Sort alphabetically Sort by number of results

Facet Value

Liquid Analysis
(16)
Liquid Analysis
(16)

Parts & Accessories

1-10 of 16 results for Parts & Accessories Clear Search

Sort by:

[ { "catentry_id" : "3074457345649306196", "Attributes" : { } } ]

9210264

Rosemount™ Amperometric Sensor Fill Solution #1, 4 oz (125 ml)

Item Type	Refills & Solutions
Measurement Type	Liquid Analysis
Product Type	Spare Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Refills & Solutions

Liquid Analysis

Spare Parts

Liquid Analysis

QTY

PRICE (USD)

$147.29

[ { "catentry_id" : "3074457345649306196", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345626132209", "Attributes" : { } } ]

23502-04

Rosemount™ Membrane Assembly with O-ring, TrDO, Quantity-3

Item Type	Sensor Parts & Kits
Measurement Type	Liquid Analysis
Product Type	Accessories & Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Sensor Parts & Kits

Liquid Analysis

Accessories & Parts

Liquid Analysis

QTY

PRICE (USD)

$336.14

[ { "catentry_id" : "3074457345626132209", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345626132266", "Attributes" : { } } ]

33521-00

Rosemount™ Membrane Retainer

Item Type	Sensor Parts & Kits
Measurement Type	Liquid Analysis
Product Type	Accessories & Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Sensor Parts & Kits

Liquid Analysis

Accessories & Parts

Liquid Analysis

QTY

PRICE (USD)

$114.76

[ { "catentry_id" : "3074457345626132266", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345649306224", "Attributes" : { } } ]

9390004

Rosemount™ Rotameter, 0.5 GPH - 5.0 GPH

Item Type	Flow Panel
Measurement Type	Liquid Analysis
Product Type	Spare Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Flow Panel

Liquid Analysis

Spare Parts

Liquid Analysis

QTY

PRICE (USD)

$579.21

[ { "catentry_id" : "3074457345649306224", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345626132268", "Attributes" : { } } ]

33523-00

Rosemount™ Fill Plug

Item Type	Miscellaneous
Measurement Type	Liquid Analysis
Product Type	Accessories & Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Miscellaneous

Liquid Analysis

Accessories & Parts

Liquid Analysis

QTY

PRICE (USD)

$107.53

[ { "catentry_id" : "3074457345626132268", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345649306226", "Attributes" : { } } ]

9550094

Rosemount™ O-Ring, 2-014 FKM

Item Type	Gaskets & O-Rings
Measurement Type	Liquid Analysis
Product Type	Spare Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Gaskets & O-Rings

Liquid Analysis

Spare Parts

Liquid Analysis

QTY

PRICE (USD)

$9.04

[ { "catentry_id" : "3074457345649306226", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345626132219", "Attributes" : { } } ]

23747-02

Rosemount™ Cable, VP 6, conductivity/amperometric, 10' (3.0 m)

Item Type	Cables
Measurement Type	Liquid Analysis
Product Type	Accessories & Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Cables

Liquid Analysis

Accessories & Parts

Liquid Analysis

QTY

PRICE (USD)

$256.62

[ { "catentry_id" : "3074457345626132219", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345649306257", "Attributes" : { } } ]

23501-04

Rosemount™ Membrane Assembly With O-ring, TrDO, QTY 1

Item Type	Sensor Parts & Kits
Measurement Type	Liquid Analysis
Product Type	Spare Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Sensor Parts & Kits

Liquid Analysis

Spare Parts

Liquid Analysis

QTY

PRICE (USD)

$150.90

[ { "catentry_id" : "3074457345649306257", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345626132220", "Attributes" : { } } ]

23747-03

Rosemount™ Cable, VP 6, conductivity/amperometric, 50' (15.2 m)

Item Type	Cables
Measurement Type	Liquid Analysis
Product Type	Accessories & Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Cables

Liquid Analysis

Accessories & Parts

Liquid Analysis

QTY

PRICE (USD)

$438.25

[ { "catentry_id" : "3074457345626132220", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

[ { "catentry_id" : "3074457345649306337", "Attributes" : { } } ]

33822-00

Rosemount™ Bubble Sweeping Nozzle

Item Type	Sensor Parts & Kits
Measurement Type	Liquid Analysis
Product Type	Spare Parts
Family	Liquid Analysis
availability

Item Type

Measurement Type

Product Type

Family

Sensor Parts & Kits

Liquid Analysis

Spare Parts

Liquid Analysis

QTY

PRICE (USD)

$13.55

[ { "catentry_id" : "3074457345649306337", "Attributes" : { } } ]

ADD TO CART

ADD TO WORKSPACE

Compare

1 2

1-10 of 16 results

{ searchResult: { pageSize: 10, searchTerms: '', totalPageNumber: 2.0, totalResultCount: 16, currentPageNumber:1, attributes: "" } }

Compare Add more to compare Added

Compare Products

Clear All

Compare

The maximum number of products that can be compared is 4. Please refine your selection. Dismiss

Clear All

Compare

Go Boldly.™

Emerson is the global technology, software and engineering powerhouse driving innovation that makes the world healthier, safer, smarter and more sustainable.

EM17R18_STEM_Fall_Footer_746x196 Compress

Our Company
Leadership
Environmental, Social & Governance
Careers
Diversity, Equity & Inclusion
Contact Us
Newsroom
Investors

Our Passions
Sustainability
Perspectives
Innovations
Ventures
We <3 STEM

Our Communities
Top Quartile
Exchange365
Automation Experts
CONNECT WITH US

Privacy Notice
Cookies
Terms of Use
Imprint
Accessibility
Communication Preferences
Report a Vulnerability
Do Not Sell or Share My Personal Information
Transparency in Coverage Machine-Readable Files

You have an active session in another locale:

By selecting a new country/region, product(s) may be unavailable and items in your shopping cart will be removed. Please contact us for assistance.