Technology
EXNAL 8859: Trafag’s Ex Submersible Pressure Transmitter for Hazardous Areas (2026 Guide)
Introduction
Where hazardous atmospheres, explosive gases, and challenging environments are part of everyday working life, it is essential to choose the appropriate instrumentation. Trafag AG, Switzerland’s EXNAL 8859 is now one of the most reliable solutions for level measurement in explosive areas. The advanced Ex certified submersible pressure transmitter will provide reliable performance, long term stability and industry leading safety certifications for Zone 0, Zone 1 and Zone 2 hazardous areas.
The EXNAL 8859 is used in oil and gas facilities, wastewater treatment plants, marine applications, mining installations and chemical storage systems, and offers accurate pressure and level measurements that meets all international hazardous area standards. This 2026 Guide presents all of the specifications, certifications, applications, installation requirements and benefits of the EXNAL 8859 as compared to standard submersible transmitters for the engineer, plant manager and system integrator.
What Is the EXNAL 8859? Core Product Overview
What Is the EXNAL 8859? Core Product Overview
Trafag AG has developed a special Ex immersion/submersible pressure transmitter for continuous pressure and liquid level measurement in hazardous areas, the EXNAL 8859. Uses a very reliable piezoresistive measuring principle to translate pressure generated by a liquid column into a standard 4-20 mA output signal, which can be used with modern PLC, DCS and SCADA systems.
Key Product Identifiers
- Product Name: EXNAL
- Product Code: 8859
- Manufacturer: Trafag AG, Switzerland
- Ex Submersible Pressure Transmitter
- Measuring Principle: Piezoresistive
- Feedback Signal: 4–20 mA, 2-wire loop powered
The EXNAL 8859 is designed to operate in a safe area compared to standard submersible transmitters, which are only suitable for safe area use. It is designed and built to withstand the rigors of permanent submersion in harsh industrial settings.
ATEX & IECEx Certifications for Zone 0, Zone 1, Zone 2 Applications
The EXNAL 8859’s distinguishing characteristic is its broad hazardous area certification portfolio. In industries like wastewater treatment, chemical manufacturing, and offshore drilling, where a small ignition source can result in devastating consequences, safety is a primary concern.
Certifications and Compliance
The EXNAL 8859 carries:
- For information, please contact ATEX Certification: Ex ia IIC T3 to T6
- IECEx Certification: SEV 12.0007X 003
- DNV-GL Marine Approval
Compliance with:
- IEC/EN 60079-0
- IEC/EN 60079-11
- IEC/EN 60079-26
- EN 50303
The Ex ia intrinsic safety rating means that the device can be operated in Zone 0, the most severe area of classification where explosive atmosphere may exist continuously or for prolonged periods.
Its temperature class 3-6 makes it suitable for installation in areas where gases with ignition temperatures as low as 85°C are present, further increasing its application range in various different industries.
Connecting with the real world: technical specifications and performance capabilities.
Tech specs and performance: connecting with the real world.
The EXNAL 8859 can be used in extreme industrial environments and offers outstanding measurement accuracy and stability.
Measure and Electrical Specifications
Parameter
- Pressure Range: 0–0.1 bar to 0–25 bar
- PSI Range: 0–1.5 psi to 0–360 psi
- Starting Range: 100 mbar
- Output Signal: 4–20 mA
- Accuracy: ≤ ±0.5% FS Typical
- Power Configuration: 2-wire loop powered
Temperature Ratings
- The temperature range for the media is -5°C to +80°C.
- Freezer Temperature: -15°C to +30°C
- T4/T6 Classification: -5°C to +50°C
Mechanical Design Features
The transmitter comes in these options:
- Open pressure connection
- Closed pressure connection
- G1/4″ male
- G1/2″ male
One of the key engineering benefits is a completely welded stainless-steel design, which avoids the use of o-ring seals. This design also minimizes potential paths for leakage and drift in long-term measurements.
Here are some of the features of EXNAL 8859 that make it stand out.
EXNAL 8859
Some of the salient features of EXNAL 8859 are:
The EXNAL 8859 is a special solution for instrumentation engineers and hazardous-area specialists, thanks to several design innovations.
Intrinsically Safe Construction
The transmitter is Ex ia IIC T3-T6 certified to be deployed directly in hazardous areas without explosion proof housing.
A pressure measurement is taken to begin at 100 mbar.
It is particularly useful to measure very low pressures such as:
- Shallow tanks
- Lift stations
- Wells
- Small process vessels
O-Ring-Free Welded Design
The EXNAL 8859 is different from standard transmitters, in that there are no o-ring seals within the instrument, which means this type of transmitter will have less maintenance and higher long-term reliability.
Advanced Cable Options
Users have the option of:
- PUR Cable – Excellent for water and wastewater use.
- FEP Cable – For fuels, chemicals, solvents and aggressive media.
Optional Titanium Construction
For applications involving:
- Hydrogen sulfide (H₂S)
- Chlorides
- Aggressive wastewater
- Chemical storage
The optional titanium casing offers outstanding corrosion protection.
Lightning Protection
To ensure the reliability of operation in outdoor installations, an optional lightning protection system with IEC 61000-4-5 rating is available, which provides surge protection up to 10kA (8/20 μs).
Uses and applications in various industries.
The EXNAL 8859 is used by a wide variety of industries that require level measurement in hazardous environments.
Industry Applications
Water & Wastewater
- Lift stations
- Digesters
- Sumps
Oil & Gas
- Produced water
- Separators
- Storage tanks
Chemical Processing
- Solvent tanks
- Acid vessels
Marine & Offshore
- Bilge
- Ballast
- Fuel tanks
Mining activities include:
- Tailing ponds
- Dewatering systems
It is also highly functional for its ability to work in an explosive environment without causing any damage to the area and allows for accurate measurements, which is especially important for industrial plants and facilities which are subject to a high level of safety standards.
With ATEX, IECEx and DNV-GL approval, one transmitter design can be used for multiple industries without having to go through multiple paths for certification.
EXNAL 8858 vs EXNAL 8859: Understanding the Differences
Trafag provides two models, EXNAL 8858 and EXNAL 8859, which are similar, but there are key differences to determine product selection.
Feature Comparison
EXNAL 8858
- Hazardous Area Approval: Ex ia IIC T3-T6
- Max Humidity Temperature: +30°C
- Pressure Range: 25 bar Standard
- Solar Powered: Available
- Resistance to Chemicals: Standard
EXNAL 8859
- Hazardous Area Approval: Ex ia IIC T3-T6
- Max Humidity Temperature: +90°C
- Pressure Range: Up to 25 bar
- Solar Powered: Limited
- Resistance to Chemicals: Enhanced
Usually the EXNAL 8859 is used for:
- Higher-temperature processes
- Aggressive chemical applications
- Hydrocarbon environments
- High-pressure level measurement
The EXNAL 8858 is still an economical choice for normal wastewater or water applications up to 50°C.
Install and wire, and document.
To ensure hazardous area compliance and accurate measurement, it is very important that the instrument be installed correctly.
Recommended Installation Practices
- Attach the transmitter upright.
- Hold the cable to avoid mechanical stress.
- Do no avoid sharp bends or abrasion points.
- Provide correct grounding as per the ATEX requirements.
- Fit an intrinsically safe barrier as necessary by system design and local regulations.
Available Documentation
Trafag has a number of important resources available:
- This datasheet provides information on the H72335c EN 8859 EXNAL Ex Submersible Pressure Transmitter.
- Installation instructions: H73227c Montage and Safety information
- ATEX Certificate: SEV 12 ATEX 0164 X
- IECEx Certificate: SEV 12.0007X
- DNVGL Marine Approval Documentation
- CE and UKCA Declarations of Conformity are mandatory.CE and UKCA Declarations of Conformity are required.
These documents facilitate engineers to make sure that the projects meet the requirement of the project and also regulatory requirements.
EXNAL 8859 outperforms standard submersible transmitters for several reasons.
There are several reasons why EXNAL 8859 beats the standard submersible transmitter.
A standard pressure transmitter can be used in a non-hazardous environment, but special equipment must be used for hazardous area applications.
Additional features included a standard submersible and EXNAL 8859.
Hazardous Area Use (HAU)
- Safe Areas Only (SAO)
- Zone 0/1/2 Approved (Z012A)
Max Temperature
- Typically 50°C
- Up to 80°C
Construction
- The material is a fully-welded construction, with O-rings common.It’s fully welded construction with O-rings common.
Material Options
- Stainless steel
- Stainless steel or Titanium
Certifications
- CE Only
Cable Options
- Basic PUR
- PUR or FEP
An uncertified transmitter in a classified HA can be a serious safety hazard and could be a non-compliance with insurance, regulatory and operational requirements. The EXNAL 8859 dispels these worries and offers long-lasting reliability.
Conclusion
Final Thoughts
The Trafag EXNAL 8859 is still one of the most powerfull Ex certified submersible pressure transmitters offered in 2026. ATEX and IECEx certified, hazardous zone 0 rated, pressure range 100 mbar to 25 bar, optional titanium construction, and robust PUR or FEP cable options, it is designed for the industries where reliability and safety are paramount.
The EXNAL 8859 provides accurate hydrostatic level measurement while meeting the strictest international hazardous area requirements in applications such as water treatment, oil and gas production, chemical processing, marine systems or mining operations. It is welded and has a long lifespan, plus a broad array of approvals that make it a favorite among engineers looking for reliable performance in tough conditions.
FAQ
What is the EXNAL 8859?
Trafag AG has developed a special Ex immersion/submersible pressure transmitter for continuous pressure and liquid level measurement in hazardous areas, the EXNAL 8859.
What output signal does the EXNAL 8859 use?
The EXNAL 8859 uses a 4–20 mA, 2-wire loop powered output signal.
What hazardous area certifications does the EXNAL 8859 carry?
The EXNAL 8859 carries:
- ATEX Certification: Ex ia IIC T3 to T6
- IECEx Certification: SEV 12.0007X 003
- DNV-GL Marine Approval
What pressure range is available?
The pressure range is 0–0.1 bar to 0–25 bar.
What industries use the EXNAL 8859?
Industries include:
- Water & Wastewater
- Oil & Gas
- Chemical Processing
- Marine & Offshore
- Mining
What cable options are available?
Users have the option of:
- PUR Cable – Excellent for water and wastewater use.
- FEP Cable – For fuels, chemicals, solvents and aggressive media.
Is titanium construction available?
Yes. The optional titanium casing offers outstanding corrosion protection.
Why does EXNAL 8859 outperform standard submersible transmitters?
The EXNAL 8859 offers hazardous area approvals, higher temperature capability, welded construction, advanced cable options and long-lasting reliability in hazardous environments.
Introduction
The Murton by-election 2026 was a pivotal moment in County Durham politics, with Labour making a dramatic comeback from Reform UK to win the ward back from the opposition party. It is viewed as an early sign that Labour is regaining its traditional strongholds in the North East of England and Reform UK is under the microscope having surged in the last election cycle.
Election Result Overview
The results of Murton By-Election: Labour Reclaims the Ward are out.Murton By-Election Result: Labour Reclaims the Ward has been announced.
Labour secured 50.6% of the votes, ahead of Reform UK which was granted 39.6% in the closely fought Murton by-election. This was the biggest swing towards Labour, which resulted in an 11.2% change from Reform, since the ward won Reform’s historic 2025 result. A turnout of 24.9% was lower than the 29.1% achieved in the 2025 local elections, typical of the lower engagement in by-elections. The victory has left Labour with five seats on Durham County Council, having struggled all year.
The relative importance of Murton in County Durham politics
Murton is not just a local electoral ward, it has a strong political significance. Murton had been a regular seat of Labour since records began in 1973, as had been the case for a long time in the area. But Reform UK gained ground in 2025 when it won both seats, putting an end to over 50 years of Labour domination. This outcome came as a surprise to local political observers and represented a trend in public opinion. The 2026 by-election win has since brought the Labour Party back into power, here making Murton a symbolic flash point in the fight for supremacy between Labour and Reform UK.
Julie Griffiths: behind the scenes of Labour’s Comeback
One of Labour’s key figures was Julie Griffiths, who was previously a councillor and had been defeated by Reform UK in their big 2025 success. In 2026, Griffiths was again standing, and he won it back, providing Labour with a strong story of recovery and resilience. Her victory was more than a seat win; it was a return of local leadership to which voters had been accustomed for decades. Her achievement proved the value of recognisable local candidates who had local connections and were important in the constituencies where they stood in the most politically unstable areas, particularly in Labour’s case.
The New Radical Reform Movement and the Political Context In 2025
In the context of Reform UK’s breakthrough in 2025, the Murton result is more understandable. In that year, Reform had made impressive strides in County Durham, taking only four seats on the council – the lowest number for any party since they set up base there. Murton’s victory was part of that broader trend, and represented a shift in the voting habits. Some analysts interpreted this victory as a protest vote due to the disillusionment with the mainstream parties. This change is not necessarily for the long term, though, as the 2026 by-election result indicated, for instance in parts of the country with a long Labour tradition.
The Political Mood and Voter Shifts 2026.Voter Shifts and the 2026 Political Mood
In Murton there was a significant swing back to Labour, with the party gaining 11.2% of the vote. Labour’s ability to clear the majority bar at 50.6% indicates the beginnings of a revival in trust among traditionalists, although Reform UK have not been far behind with 39.6%. Low turnout (24.9%) is identified as one of the reasons, implying that both parties had to concentrate on their core voters. But this was a more solid victory for Labour’s own voters. The result also demonstrates the significance of local candidates, campaign focus and voter participation in the result for smaller elections.
County Durham’s Wider Political Landscape in 2026
Murton is not the only politician to have had a rethink in County Durham and in the North East. As the shifts in 2025 were so dramatic, the election of Reform UK’s result was wondered as to whether it was a long-term shift or a protest vote. This kind of political turbulence has been seen at other Northern councils where party loyalty has been put to the test. Labour’s Murton victory offers early signs of recovery, but the area is still a political hot-seat with voters still re-evaluating their priorities.
The Murton Result and the future of elections
The Murton by-election 2026 will have significance in the context of the upcoming local elections in May 2026. The win is a boost for Labour, with a tried and tested approach of running local, known figures such as Julie Griffiths. The loss has raised questions for Reform UK about how they will maintain support following their quick electoral success. The outcome also serves as an illustration of a wider issue on the political landscape in the UK today: there is no such thing as a safe seat and voters’ allegiance could change greatly in an election cycle.
Key Facts: Murton By-Election 2026
Start of term: 2026 (after 2025 council elections)
The County of Durham’s governmental body.The governing body of Durham County Council.
Winner: Labour – Julie Griffiths
Vote Share: Labour 50.6%, Reform UK 39.6%
Swing: 11.2% from Reform to Labour
Turnout: 24.9%
The significance: First Labour victory in Murton since Reform’s breakthrough in 2025 which ended 50 years of Labour domination
Conclusion
The Murton by-election has become a pivotal moment in County Durham’s political journey, reflecting the resurgence of Labour and the ongoing dynamics of local UK politics in 2026.
MacBroidery is Brother’s dedicated Macintosh embroidery lettering software used for creating monograms, decorative text, and layout-based embroidery designs. While the original MACBROIDERY trademark (2012–2013) was later abandoned, the software itself—often distributed as Brother SARES MacBroidery Lettering & Monogram Software—continues to be used in 2026 by embroidery enthusiasts and professionals working on Apple devices.
Unlike full digitizing platforms, MacBroidery focuses on text, embellishments, and design composition, making it ideal for users who want fast, polished embroidery results without complex technical workflows.
What Is MacBroidery? Brother’s Mac Embroidery Software
MacBroidery is embroidery design software for Macintosh computers that allows users to create, edit, manipulate, convert, and transfer embroidery-ready stitch patterns. It is designed specifically for use with sewing, quilting, and embroidery machines.
In 2026, it is best understood as the Mac counterpart to Brother’s PC-based PE-Design suite, offering a simplified but powerful environment for lettering and monogram creation.
The software supports combining text with prebuilt design elements, enabling users to produce professional-quality embroidery layouts without requiring advanced digitizing skills. This makes it particularly popular among small businesses, hobbyists, and home embroidery creators.
MacBroidery Features 2026: Fonts, Templates & 3D Preview
One of MacBroidery’s strongest advantages is its ready-to-use design library and visual tools.
Key built-in resources include:
- 11 design templates for quick project setup
- 100 resizable fonts for monograms and lettering
- 50 decorative frames for borders and styling
- 75 accent elements for embellishment
- 102 applique designs for fabric layering effects
- 50 border styles for structured layouts
A standout feature is the 3D realistic preview, which allows users to see how designs will look stitched onto fabric before production. The sewing simulator visually demonstrates stitch progression, helping users refine spacing, color, and layout.
Users can also adjust height, width, and slant while preserving stitch integrity, making customization both flexible and precise.
MacBroidery vs PE-Design: Mac vs PC Embroidery Workflow
In 2026, Brother offers multiple embroidery software systems, with MacBroidery serving a specific niche.
| Software | Platform | Key Function | Digitizing |
|---|---|---|---|
| PE-Design 11 | PC | Advanced embroidery design | Yes |
| MacBroidery | Mac | Lettering & monograms | No |
| Ink/Stitch | Mac/PC | Open-source embroidery | Basic |
MacBroidery does not include full digitizing tools, but this is intentional. It is designed for users who mainly work with text overlays, logos, and prebuilt embroidery assets.
This makes it especially efficient for gifts, branding, and decorative stitching, where speed and clarity matter more than complex digitization.
File Compatibility: Works Across Major Embroidery Machines
MacBroidery supports a wide range of embroidery file formats in 2026, ensuring compatibility across major brands.
Supported formats include:
.PES, .JEF, .DST, .EXP, .HUS, .VP3, .XXX, .SEW, .PCS, .VIP, .PCM, .BRF, .SHV, .EMD
This broad compatibility means designs created in MacBroidery can be used on machines from Brother, Babylock, Janome, Pfaff, Husqvarna Viking, and others.
For example, users can export .PES files for direct use with Brother machines such as the SE600 or PR series, typically transferred via USB.
MacBroidery System Requirements & Setup in 2026
Although originally designed for older Mac systems, MacBroidery remains in use with compatibility considerations.
Typical requirements include:
- Macintosh computer with multicore Intel processor
- macOS versions up to 10.8 (legacy support base)
- 512MB RAM minimum (1GB recommended)
- 2.5GB available storage
- 1024×768 display resolution
- USB port and installation drive support
In 2026, users on modern Apple Silicon Macs may require virtualization or compatibility layers due to legacy architecture. This makes setup planning important before installation.
Who Uses MacBroidery? Monogram & Lettering Specialists
MacBroidery is designed for users who prioritize fast, stylish embroidery output over technical digitizing.
Common use cases include:
- Monogramming towels, robes, and gifts
- Creating wedding and event embroidery
- Adding logos and branded text
- Appliqué lettering using built-in shapes
- Cap and fabric customization using guided stitching “recipes”
Its workflow is especially valuable for small business branding and personalized embroidery services, where speed and consistency are essential.
MacBroidery Trademark Status & 2026 Availability
The MACBROIDERY trademark (Serial No. 85783673) was filed in 2012 by Brother International Corporation but marked abandoned in 2013 due to procedural non-response.
Despite this, the software itself continues to be distributed under Brother SARES MacBroidery branding through select retailers in 2026.
Today, it remains a niche but active product for Mac embroidery users, with a typical MSRP around $599.99, reflecting its professional-level design tools focused on lettering and embellishment.
Final Overview: Why MacBroidery Still Matters in 2026
MacBroidery remains relevant in 2026 because it fills a specific gap: simple, powerful embroidery lettering for Mac users. With its 100 fonts, template system, 3D preview tools, and wide file compatibility, it offers a streamlined alternative to complex digitizing software.
While its trademark history is outdated, its practical value is not. For embroidery users focused on monograms, branding, and decorative stitching, MacBroidery continues to be a reliable creative tool in the Apple ecosystem.
PAC Simplificado is a term that appears in multiple sectors in 2026, including government development programs, agricultural policies, economic initiatives, and technology products. While there is no single global program called PAC Simplificado, the phrase is commonly used to describe systems, policies, or tools designed to reduce bureaucracy, simplify processes, and improve efficiency.
This guide explains the most important uses of PAC Simplificado 2026, where it is applied, and why it matters.
What Is PAC Simplificado?
In 2026, PAC Simplificado serves as an umbrella term for initiatives focused on making complex procedures easier to understand and manage. Depending on the context, it may refer to a simplified remote-control system, streamlined government investment programs, agricultural support policies, or economic measures designed to improve efficiency.
The common goal behind every PAC Simplificado initiative is to eliminate unnecessary complexity while maintaining effectiveness and accessibility.
PAC Simplificado as a Mitsubishi Simplified Remote Controller
One of the most recognized commercial uses of PAC Simplificado is the Mitsubishi Electric PAC-YT52CRA Simplified Remote Controller.
Key Features of the PAC-YT52CRA
- Simple ON/OFF operation
- Dual set-point temperature control
- Integrated temperature sensor
- Backlit LCD display
- Configurable temperature limits
- Requires only two signal wires
- Dimensions: 70 x 100 x 14.5 mm
- Compatible with all Mitsubishi Electric indoor units
In 2026, the controller is widely used in commercial and residential environments where users prefer straightforward climate control without advanced programming functions. The average price in Portugal is approximately €90, with delivery available within 2–5 business days.
PAC Simplificado in Brazil: Streamlining the New PAC
In Brazil, PAC stands for Programa de Aceleração do Crescimento (Growth Acceleration Program). While there is no official government program called PAC Simplificado, the term is often used to describe efforts within the New PAC to reduce administrative barriers.
Key Simplifications in 2026
- Faster environmental licensing procedures
- Reduced bureaucracy for municipalities
- Digital monitoring of public infrastructure projects
- Simplified approval processes for smaller projects
- Faster release of government funding
The objective is to accelerate investments in critical sectors such as housing, sanitation, transportation, and energy infrastructure while improving project execution efficiency.
PACIC Simplificado: Mexico’s Anti-Inflation Initiative
In Mexico, the concept of PAC Simplificado is often linked to the renewed PACIC (Package Against Inflation and High Costs) signed on May 29, 2026, by President Claudia Sheinbaum.
Main PACIC 2026 Goals
- Maintain affordable basic food basket prices
- Support macroeconomic stability
- Encourage voluntary cooperation between businesses and government
- Help control inflation
- Contribute to Mexico’s National Development Plan
The agreement includes participation from government ministries and private-sector organizations, demonstrating a collaborative approach to protecting consumers from rising living costs.
PAC Simplificado in European Agriculture
Within the European Union, PAC refers to the Common Agricultural Policy (CAP). In 2026, farmers and agricultural consultants often use the phrase PAC Simplificado when discussing simplified procedures related to agricultural support payments and sustainability rights.
Important CAP 2026 Considerations
- Verify ownership rights before purchase or transfer.
- Confirm eligibility for 2026 support programs.
- Review the value and regional classification of rights.
- Formalize agreements with proper documentation.
- Meet all transfer deadlines.
These simplified processes help farmers access support programs more efficiently while remaining compliant with EU regulations.
PAC-1 2026 and Global Strategic Planning
Another use of the term appears within the World Meteorological Organization (WMO) through PAC-1 (2026), where PAC stands for Policy Advisory Committee.
Held from February 3–5, 2026, the meeting focuses on shaping the organization’s 2028–2031 Strategic Plan. The goal is to simplify policy discussions, align priorities, and improve decision-making across international meteorological initiatives.
Why PAC Simplificado Matters in 2026
The importance of PAC Simplificado lies in its focus on efficiency and accessibility. Whether applied to technology, government investment, agriculture, economic policy, or international planning, the concept promotes:
- Reduced bureaucracy
- Faster implementation
- Improved transparency
- Simplified user experiences
- Better operational efficiency
As governments, businesses, and organizations continue modernizing their systems, simplified processes are becoming increasingly valuable.
Conclusion
PAC Simplificado 2026 is not a single program but a broad concept used across multiple industries and countries. From the Mitsubishi PAC-YT52CRA simplified controller to Brazil’s streamlined infrastructure initiatives, Mexico’s PACIC anti-inflation measures, European agricultural reforms, and international policy planning, the shared objective is clear: make complex processes simpler and more effective. When researching PAC Simplificado, understanding the specific context is essential to finding the most relevant information and benefits.
