Rodax

What Rodax does

Rodax is a Belgian specialized manufacturer of industrial temperature measurement instruments, founded in 1983 by Ludwig De Coninck and headquartered in Antwerp, Belgium. The company designs and produces PT100 resistance thermometers, thermocouples, and thermowells — including engineered variants such as ultra-high vibration resistant Pt100 sensors (tested to 2-2500 Hz at 30g), multipoint reactor temperature assemblies, furnace and boiler thermocouples, and Silicium Carbide thermowells rated for environments up to 1600°C. All products are fully tested in-house before delivery, and most carry ATEX/IECEx certifications for use in hazardous areas. The firm serves process industries including oil and gas, chemical, petrochemical, energy, pharmaceutical, and equipment builders, with named enterprise customers including Shell, BASF, Bayer, Air Liquide, BP, and Esso.

Rodax operates a direct enterprise sales model with its own professional sales force (established 2001) and an in-house on-site service team (established 2008) that performs specialized installation and supervision during plant turnarounds. The company joined the Eight Lakes group in 2015, a privately owned industrial conglomerate of approximately 320 employees and €135M+ annual revenue (2021), which provides shared logistics, warehousing in the Netherlands and Hong Kong, and AEO-F customs status supporting delivery to over 60 countries. Rodax itself maintains roughly 30 employees and operates from a facility in Deurne, Antwerp, that was expanded and retooled in 2009. The company holds ISO 9001 and VCA** certifications, with its quality system audited semi-annually by an external agency.

Revenue is generated through custom-quoted hardware sales (sensors, assemblies, thermowells) and professional on-site installation services, with no public pricing and no e-commerce or third-party distribution channels. Marketing is conducted via trade show participation (e.g., WOTS 2026 in Utrecht), industry news/PR, and direct technical consultation. The business is privately held under family ownership through the Eight Lakes group platform, with no public listing, no disclosed funding rounds, and no mergers or acquisitions to date.

Name

Rodax

Legal name

Rodax

Website

https://rodax-europe.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

11–50 employees

Short description

Rodax is a Belgian manufacturer of industrial temperature measurement instruments — PT100 resistance thermometers, thermocouples, and thermowells — serving oil and gas, chemical, petrochemical, energy, and pharmaceutical enterprises worldwide. Founded in 1983, it operates as part of the Eight Lakes group.

Ownership category

akta.pro rank

Product category

Industrial Temperature Measurement Instruments

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Thermistors & Temperature Sensors (NTC/PTC/RTD Elements) (HDAHANAH)

Keywords

• Industrial temperature sensors
• Thermocouple manufacturing
• PT100 resistance thermometers
• Thermowell production
• Process instrumentation

Headquarters

HQ city

Antwerp

HQ country

Belgium

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Industrial Temperature Sensors and Assemblies: Manufacturing and sale of industrial temperature sensors including PT100 resistance thermometers, thermocouples, and thermowells. Products are fully and individually tested before delivery.
2. On-Site Installation Services: Professional supervision and installation services for temperature sensors, furnace and boiler thermocouples, and multipoint reactor temperature assemblies during turnarounds. Service team created in 2008.

Go-to-market motion3 records

Distribution channels1 record

Marketing channels3 records

Core offering

Rodax designs, manufactures, and supplies specialised industrial temperature measurement instruments — PT100 resistance thermometers, thermocouples, thermowells, multipoint reactor assemblies, furnace and boiler thermocouples, and high-vibration and high-temperature variants — for harsh process environments in oil and gas, chemical, petrochemical, energy, pharmaceutical, and equipment builder industries. Each sensor is fully and individually tested before delivery, with ATEX/IECEx certified options for hazardous areas and on-site installation services available during plant turnarounds.

Product overview

Rodax Europe is a specialized manufacturer of industrial temperature measurement instruments serving the chemical, petrochemical, oil and gas, energy, pharmaceutical, and equipment builder industries since 1983. The company operates as a member of the Eight Lakes group. The product portfolio centers on three core product lines: PT100 Resistance Thermometers (platinum-based RTDs for -200 to +600°C applications), Thermocouples (voltage-generating sensors for -40°C to 1,700°C+ applications), and Thermowells (protective housings). These core products are extended through specialized variants including Furnace & Boiler Thermocouples (for process furnace monitoring with ATEX/IECEx certifications), Multipoint Reactor Temperature Assemblies (multi-point measurement for reactors including spring-loaded, profile, central core, and spider configurations), High Vibration Resistance Thermometers (for compressor and turbine applications), and High Temperature Thermocouples (for harsh environments up to 1,600°C using Silicon Carbide materials). The portfolio also includes On Site Services for installation, supervision, and maintenance during plant turnarounds. Notable custom achievements include ultra-high vibration resistant sensors (tested to 2,500 Hz at 30g) and exceptionally large sensors such as a 34-meter reactor temperature system rated for 600 bar at 450°C.

Differentiator

Problem solved

Functional benefit

Products and services

• PT100 Resistance Thermometers Platinum resistance temperature detectors (RTDs) that change electrical resistance with temperature. Operating range typically -200 to +600°C, with accuracy classes B, A, and AA per IEC 60751. Available with connection cables or heads and optional built-in temperature transmitters. Used across oil and gas, chemical, petrochemical, energy, pharmaceutical, and equipment builder applications.
• Thermocouples Voltage-generating temperature sensors for measurements above 600°C, operating from -40°C to 1,700°C and up to 2,200°C with Tungsten/Rhenium elements. Types include R, S, B, K, and N with accuracy classes 1 and 2 per IEC 60581/ASTM E230. Available as thermoelements with extension leads or connection heads, suited for harsh high-temperature industrial environments.
• Thermowells Protective wells for temperature sensors machined from solid material with screw, flange, or welding connections. Includes tubular thermowells (TFS, PFS, TFSR), ceramic SiC thermowells (THS, THT, THFN-THFP) for use up to 1,600°C, and DIN 43772 compliant designs. Optional coatings include Teflon PTFE, PFA, FEP, Halar-ECTFE, Stellite, Eutalloy, or ceramic for corrosive and abrasive media.
• Furnace & Boiler Thermocouples Specialised thermocouples for furnace and boiler environments with multiple tip configurations (pad, square, V-type, machined tip, machined pointer) and connection types (straight, expansion loop, S-loop). Available in ATEX/IECEx certified variants (Ex i, Ex e, Ex d) for hazardous area applications. Designed for tube skin temperature monitoring with objectives including long life (4-6 years typical, 10-year design target) and economic fuel firing.
• Multipoint Reactor Temperature Assemblies Multi-point temperature measurement systems for reactor applications available in spring loaded (thermocouples pressed against inner wall by springs with guiding tube per point), profile (discrete thermocouples in small-diameter protection tubes from 0.8mm), central core (mineral insulated cable connected to common core), and spider configurations (discrete thermocouples from 1mm or multi-core from 1/8 inch). Features include weld-in plugs per point, replaceable inserts, second containment pressure chamber, and optional cooling radiator.
• High Vibration Resistance Thermometers PT100 sensors engineered to withstand severe vibration conditions (2-2500 Hz, 30 g, shock 500g in 3 axes) for use on reciprocating and turbo compressors, turbines, and pumps. Tested by an officially recognized laboratory. Available as direct immersion resistance thermometers, with thermowell and replaceable insert, or spring-loaded without thermowells. Customers include Shell, BASF, Bayer, and Air Liquide.
• High Temperature Thermocouples Temperature sensors designed for harsh, high-temperature and abrasive environments, suitable for flue gas and biomass applications up to 1,600°C. Manufactured with materials offering excellent chemical resistance, high abrasive and thermal shock resistance, very low permeability, and high mechanical strength (including ceramic SiC). Product lines include D-series (fixed process connection) and H-series (probe/insert type), with ATEX/IECEx certified variants.
• On-Site Services Field installation, supervision, and maintenance services for furnace and boiler thermocouples and multipoint reactor temperature assemblies, delivered during plant turnarounds and for critical measurements. Includes detailed scope definition, risk analysis, welding procedures, supervision, pre-shaping of skin thermocouples, installation and final control, and an As-built Data Manufacturing Book. Performed by a dedicated service team with certified welders and experienced mechanics.

Quantifiable outcome

• Vibration resistance: 2-2500 Hz at 30 g, shock 500g in 3 axes for Pt100 sensors
• +4 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered minor.

• TelerexminorOthersMember of Eight Lakes group. Rodax's sister-company Telerex grew out of Rodax itself. The group was founded by Ludwig De Coninck and is now owned by his son Yannic De Coninck.
• Eltrex MotionminorOthersMember company of Eight Lakes group.
• EltrexProminorOthersMember company of Eight Lakes group.
• CATS FranceminorOthersMember company of Eight Lakes group.
• CATS Power DesignminorOthersMember company of Eight Lakes group.
• MechaTronixminorOthersMember company of Eight Lakes group, specializing in LED heatsink solutions.
• Cooling HouseminorOthersMember company of Eight Lakes group.
• DolphinminorOthersMember company of Eight Lakes group.
• LuxendiminorOthersMember company of Eight Lakes group.

Scale indicators6 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• ABB: Swiss-Swedish industrial automation and electrification group with a temperature measurement product line (including thermocouples and RTDs) targeted at process industries. Competes with Rodax in refineries, chemical plants and power generation projects.
• Watlow: US-headquartered global manufacturer of thermal solutions including industrial heaters, temperature sensors and controllers. Overlaps with Rodax in high-temperature thermocouples and custom temperature assemblies for process industries.
• Endress+Hauser: Swiss global supplier of industrial process instrumentation including temperature, flow, level and analytical sensors. Competes with Rodax in the same chemical/petrochemical accounts but as a broad instrumentation incumbent rather than a temperature-only specialist.
• Emerson Electric (Rosemount): US-based process automation leader through its Rosemount brand, offering temperature transmitters, sensors and full instrumentation suites to oil & gas, chemical and power customers. Overlaps with Rodax in temperature measurement but competes as part of a much larger automation portfolio.
• Yokogawa Electric: Japanese process automation supplier with temperature sensors and transmitters sold alongside control systems to chemical, petrochemical and power customers. Adjacent competitor where Rodax competes on temperature instrumentation.

Direct peers

• JUMO: German mid-market manufacturer of industrial sensors and automation, with strong ranges of PT100 resistance thermometers, thermocouples and thermowells for process industries. Closely comparable in size and product focus to Rodax.
• TC Measurement & Control (TC Ltd): UK-based specialist manufacturer of thermocouples, PT100 sensors and mineral insulated cable for industrial applications, including ATEX-certified products. Comparable in scope and niche specialization to Rodax's temperature instrumentation portfolio.
• Thermokon Sensortechnik: German specialist in temperature and humidity sensors for building and industrial applications. Smaller and more building-automation focused than Rodax, but overlaps on industrial temperature sensor technology and customization.
• Conax Technologies: US-based manufacturer of temperature sensors, thermocouples, RTDs and thermowells for harsh industrial environments, with strong custom-engineering capability similar to Rodax. Direct competitor in specialty industrial temperature assemblies.
• WIKA: German-headquartered global manufacturer of industrial measurement instruments including resistance thermometers (PT100), thermocouples and thermowells. Direct overlap with Rodax's core product lines across chemical, petrochemical and oil & gas customers, with WIKA operating at much larger scale and broader geographic reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/rodax-nv

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rodax