The SERVOPRO MonoExact DF150E is an oxygen analyzer for general industrial use.

A standard variant is available, along with customization options to ensure it matches the exact needs of your process.

With a new and improved digital touchscreen and icon-driven guided user interface (GUI) for easier operation, the MonoExact DF150E combines the reliability of Servomex’s tried and tested Coulometric oxygen sensor with a more user-friendly package.

  • Digital touchscreen and icon-driven interface
  • Tried and tested digital Coulometric oxygen sensor
  • Optimised for industrial gas applications
  • Measures oxygen across three ranges
  • Compact footprint for simple integration
  • No sensor zero calibration required

Ready to meet the oxygen analysis needs of general industrial users, this gas analyser offers a new and improved digital touchscreen and icon-driven guided user interface (GUI) for easier operation.

  • Servomex’s reliable Coulometric oxygen sensor
  • 0-1000ppm O2 sensor
  • Flow-driven operation
  • Two alarms, GSF, and isolated 4-20mA standard
  • Selectable mounting options

Get a gas analyser ready to meet the specific needs of your unique applications with a user-configured option.

If one of our standard variants doesn’t match your requirements, we offer custom configurations to match your process precisely.

Get in touch with our experts and tell us what you need to overcome your process challenges. We’ll create, configure, and calibrate your gas analyser to ensure it performs exactly as you expect, delivering key benefits and premium performance.

SERVOPRO MonoExact DF150E

Standard Variant 01

User-configured

Ready to buy? Here’s how it works

It’s easy to find the product you need for your application with Servomex

Enquiry

Get in touch to tell us what you need and the application you plan to use it for

Consultation

Our expert team will help you select the right product package, ensuring you have the accessories and support to get the best performance from your analyzer

Fulfilment

Your analyzer will be assembled in one of our state-of-the-art engineering centers and rapidly dispatched to your site

Next-generation Coulometric analysis for a range of industrial applications

Joseph Ha
Joseph Ha
Product Manager, Purity & Specialty

Using a new and improved digital touchscreen with icon-driven guider user interface (GUI) for easier operation, the MonoExact DF150E combines the reliability of Servomex’s tried and tested Coulometric oxygen sensor in a more user-friendly package.

Built around the latest innovations in software and hardware, including an updated Coulometric digital oxygen sensor, the MonoExact DF150E brings users new operational and maintenance benefits that improve user control and reduce cost of ownership.

MonoExact DF150E

Compatible with existing DF-150E installations

A direct successor to the DF-150E, the MonoExact DF150E delivers the same precise, accurate oxygen measurement in a backwards-compatible design that integrates easily into existing systems. This ensures the MonoExact DF150E complies with existing standards and customer agreements, without the need for re-testing or re-qualification.

Physics laboratory, Glove Box

A new analyzer platform, optimized for IG customers

IG customers requiring accurate process control and product qualification rely on the precision measurements provided by Servomex’s DF and SERVOPRO analyzers. MonoExact DF150E forms part of Servomex’s next-generation industrial analyzer platform, which advances and standardizes a complete, integrated IG analysis capability through the latest innovations in software, hardware and sensor design. By delivering the same high-quality measurements and ensuring backwards compatibility with previous analyzers, customers get new control and maintenance benefits – while training requirements are minimized, re-testing and re-qualification problems are avoided, and products meets the high standards of global supply agreements.

Servomex team member shaking someones hand

An upgraded sensor for reduced maintenance

At the heart of the MonoExact DF150E is Servomex’s Hummingbird Coulometric sensor, which builds on the original DF Coulometric sensor’s accurate trace measurements. Significant design improvements have been made that reduce analyzer downtime.

MonoExact DF150E

Operation has never been easier

The MonoExact DF150E is built around Servomex’s new advanced user interface, which offers immediate hands-on control via a high brightness touchscreen display. Intuitive to use, Servomex’s software is optimized for a simple user journey, with the touchscreen GUI making reporting or adjusting control parameters effortless. Standard 0-10V output with optional 4-20mA available to export rich data to a control system, managing gas analysis has never been easier.

Man with Servomex System components

We’ve got your systems needs covered

If you’re building a gas analysis system, we can help. Our expert team delivers project management from start to finish and skilled engineering for the system that matches your exact process requirements.

Find the variant that’s right for you

Our table explains the differences between analyzer variants for the MonoExact DF150E.

CONFIGURATION
Standard Variant (SV01)The pre configured standard variant (SV01) covers the most common applications and frequently ordered options
User Configured (UC)Other analyzer configuration options not covered by the above standard variant.
DE150E VARIANTS
Built to stockSV01 UC
TypeSV01 UC
Dual rack mount
No bench mount
Panel mount
Single rack mount
Bench top unit
CHANNEL 1SV01 UC
GasSV01 UC
CO₂
Measurement RangeSV01 UC
0-100 ppm
0-1000 ppm
0-10000 ppm
Transducer TypeSV01 UC
Coulometric w/SS sample lines
OptionsSV01 UC
Flow driven
Flow driven w/flow switch
Pressure driven (orifice)
Pressure driven (orifice) w/flow switch
Pump driven
Pump driven w/flow switch
HARDWARE OPTIONSSV01 UC
Power cordSV01 UC
None
USA
Europe
UK
Stainless steel tagsSV01 UC
None
Required
Battery backupSV01 UC
None
Required
Pump O₂SV01 UC
None
Required
Pressure regulator O₂SV01 UC
None
Standard
Adapter 1/4* (O₂)SV01 UC
None
Required
SOFTWARE OPTIONSSV01 UC
Configurable alarmsSV01 UC
None
Two alarms
Isolated outputSV01 UC
None
Isolated 4-20mA
AutocalSV01 UC
None
Relay contactsSV01 UC
2 relay contacts
Gas scale factorSV01 UC
None
Required
Certificate of CalibrationSV01 UC
Not required
Required
Coulometric cell warrantySV01 UC
1 year standard
5 year extended
DE150E VARIANTSSV01 UC
Built to stock
TypeDual rack mount
No bench mount
Panel mount
Single rack mount
Bench top unit
CHANNEL 1
GasCO₂
Measurement Range0-100 ppm
0-1000 ppm
0-10000 ppm
Transducer TypeCoulometric w/SS sample lines
OptionsFlow driven
Flow driven w/flow switch
Pressure driven (orifice)
Pressure driven (orifice) w/flow switch
Pump driven
Pump driven w/flow switch
HARDWARE OPTIONS
Power cordNone
USA
Europe
UK
Stainless steel tagsNone
Required
Battery backupNone
Required
Pump O₂None
Required
Pressure regulator O₂None
Standard
Adapter 1/4* (O₂)None
Required
SOFTWARE OPTIONS
Configurable alarmsNone
Two alarms
Isolated outputNone
Isolated 4-20mA
AutocalNone
Relay contacts2 relay contacts
Gas scale factorNone
Required
Certificate of CalibrationNot required
Required
Coulometric cell warranty1 year standard
5 year extended
  • Option selectable
  • Option not available in that variant
  • Pre-selected option

Precise and proven oxygen analysis

The MonoExact DF150E delivers all the benefits of our industry-trusted Coulometric sensing technology, in an easy-to-operate platform.

A proven solution

The MonoExact DF150E uses our tried and tested digital Coulometric O2 sensor for accurate, stable and reliable performance.

Easy to use

A five-inch color touchscreen interface makes operating the MonoExact DF150E easy and intuitive.

Versatile operation

Designed to meet the requirements of general industrial gas applications, the MonoExact DF150E measures across three ranges, for 0-100, 0-1,000 and 0-10,000 ppm O2.

Unrivalled performance

  • MonoExact DF-150E O2 LDL
    0-100: 50 ppb
    0-1000: 250 ppb
    0-10,000: 2.5 ppm
  • Up to 5-year coulometric sensor warranty
  • Non-depleting coulometric sensor
  • Stab-El ™ coulometric sensor now standard

Flexible

  • Optimized for process control and product qualification applications
  • Compact footprint for simple integration
  • Compatible with DF-150E platform, including hardware wiring inputs and gas inlets
  • 4-20mA and 0-10V DC analog output options†
  • Battery and pump options available but, not in same analyzer†‡
  • External gas filter now mountable on the back of the analyzer (PN 222931)†

Easy to use

  • 5-inch high-brightness touchscreen and intuitive icon driven touchscreen userinterface
  • 6 user ranges available with each sensor offered
  • Servomex proprietary software makes reporting and parameter control simple

Low cost of ownership

  • No sensor zero calibration required
  • Minimal training requirements
  • Downloadable system file log and diagnostics means we can assess issues and upgrade remotely

Benchmark compliance

  • In compliance with Low Voltage, EMC, CE and CSA applicable directives
  • Manufactured by Servomex – over 70 years’ experience innovating, and pioneering gas analysis and thousands of units used in the field every year

 

‡ Not for use with flammable samples
* Analyzer for use with flammable samples shall be configured with stainless steel inlet and outlet plumbing only
† Configuration dependent

The MonoExact DF150E utilizes Servomex’s tried and tested Coulometric sensor for reliable, accurate O2 measurements.

Gas Measurement
Oxygen (O₂)%

Technologies

Coulometric

Schematics (select to expand)

MonoExact DF150E

Certificates

  • IEC 61010-1
  • Overvoltage Category II, Pollution Degree 2
  • EU EMC Directive
  • EU Low Voltage Directive

Size

210mm (8.5”) Wide x 200mm (8.0”) Height x 210mm (8.5”) Deep, with handle and feet

Weight

3.9kg (8lbs)

Get the detailed specifications

“For in-depth specifications you’ll want to download our technical datasheet which includes information on technology, performance, operating environment, sample conditions and compliance along with technical drawings and top-level benefits and applications.”

Joseph Ha
Joseph Ha
Product Manager, Purity & Specialty

Get the complete resource pack

“We’ve packaged together all the information you’ll need about the MonoExact DF150E, in one place. Download it now to learn about its features, benefits and specifications.”

Joseph Ha
Joseph Ha
Product Manager, Purity & Specialty

Manuals and brochures

Want to know more about the MonoExact DF150E? Download the operator manual and product brochure, and get more details about the analyzer and its role in general industrial applications.

ES Magazine Issue 41 Reliable solutions for industrial gas applications

Find out how we support the industrial gas market, including innovative solutions for air separation units and medical gas analysis.

ES Magazine Issue 41 Reliable solutions for industrial gas applications

Find out how we support the industrial gas market, including innovative solutions for air separation units and medical gas analysis.

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SERVOPRO MonoExact DF150E

Watch the product video for a closer look at this versatile oxygen analyzer

DF-150E Gas Analyzer Operator Manual

Get instructions on how to set up and operate your oxygen gas analyzer

DF-150E Gas Analyzer Operator Manual

Get instructions on how to set up and operate your oxygen gas analyzer

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SERVOPRO DF150E & DF310E Operator Manual

An operator’s guide to both versions of our MonoExact oxygen gas analyzers

SERVOPRO DF150E & DF310E Operator Manual

An operator’s guide to both versions of our MonoExact oxygen gas analyzers

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See for yourself

Our videos give you the chance to watch our products in action and hear from our experts. You can also see our analyzers unboxed, and find out more about our solutions for key applications

SERVOPRO MonoExact DF150E

Watch the product video for a closer look at this versatile oxygen analyzer

Women in a lab wearing labcoats

Typical applications

The MonoExact DF150E is easy to install and operate for oxygen gas analysis in a wide range of general industrial applications. These include glove boxes, heat treating, solder reflow ovens, and laboratory use.


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