What Trolex does

Trolex Ltd is a UK-based, privately held designer and manufacturer of real-time occupational safety instrumentation, founded in 1960 and headquartered in Stockport with 101-250 employees. The company sells fixed, portable, and wearable gas and particulate monitoring devices into mining, tunnelling, construction, stone fabrication, rail, and broader industrial environments. Its flagship, the TX8100 AIR XS Silica Monitor (launched 2022), is the first real-time detector of respirable crystalline silica, using patented Optical Refraction Technology rather than light-scattering inference to distinguish RCS from total dust. Supporting products include the XD1+ personal dust monitor, XD ONE and AIR XD monitors, the SENTRO X gas detection platform, and a peripheral range of temperature, vibration, pressure, flow, connector, and alarm hardware.

The portfolio is sold under sub-brands AIR X (particulates), SENTRO X (gas detection), BreatheLITE, BreatheMOBILE, and Reactec Ecosystem (analytics). Trolex operates a quote-based B2B pricing model through multi-year enterprise contracts, combining direct enterprise sales ("Get a Quote", "Get In Touch" webforms) with a global distributor network spanning Europe, North America, Australia/New Zealand, Asia, Africa, and South America, plus a "Become a Distributor" partner-recruitment program. Revenue is primarily hardware-driven, augmented by recurring software/data subscriptions (AIR X Software, Aethair, Reactec cloud analytics) and IoT integration (Reactec RASOR gateway with RFID-based personalized dust tracking). Third-party validation of the XD1+ against TSI DustTrak DRX, Casella CEL-712, and Thermo Scientific MIE pDR 1500, combined with ATEX/IECEx Group I certifications for underground use, supports the company's positioning in regulated hazardous-environment safety markets. Customer evidence spans Komatsu, Husqvarna, Balfour Beatty, STRABAG, Central Rail Systems Alliance, Worktop Fabricators Federation, and Hansons Heidelberg Cement Group, alongside mid-market and education-sector adopters.

Name

Trolex

Legal name

Trolex Ltd

Website

https://trolex.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

101–250 employees

Short description

Trolex is a UK-based private manufacturer of real-time gas, dust, and respirable crystalline silica monitoring instrumentation, serving mining, tunnelling, construction, stone fabrication, rail, and industrial safety markets through direct sales and a global distributor network.

Ownership category

akta.pro rank

Product category

Industrial Safety Instrumentation

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Other Measuring and Controlling Device Manufacturing (334519), Analytical Laboratory Instrument Manufacturing (334516)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Laboratory Analytical Instruments (3826)

akta.pro primary industry

Particulate & Dust Exposure Monitoring (Silica, Asbestos, PM) (EUAHAGAB)

akta.pro secondary industries

Process Analytical Instrumentation (Gas analyzers, spectroscopy, pH/ORP, conductivity) (IMAGAFAE), Dust Collection & Air Filtration Equipment (Industrial) (IMAHALAF), Environmental Sensors (Temperature/Humidity/Gas/Air Quality) (HDAHALAD)

Keywords

• Gas detection systems
• Dust monitoring equipment
• Silica exposure monitoring
• Occupational safety sensors
• Particulate measurement devices

Headquarters

HQ city

Stockport

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Safety Instrumentation Hardware Sales: Trolex generates revenue primarily through the sale of safety monitoring hardware including gas detectors, dust monitors, silica monitors, and related sensors and accessories. Products are sold directly and through a global distributor network.
2. Software Solutions: Revenue generated from software solutions including AIR X Software, Aethair Technology, and Reactec Ecosystem integration. BreatheLITE and BreatheMOBILE applications support dust monitoring devices.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels10 records

Core offering

Trolex designs and manufactures real-time occupational safety monitoring instrumentation for industrial environments including mining, tunnelling, construction, and stone fabrication. Its portfolio comprises the AIR X particulate monitoring range (AIR XS Silica Monitor, XD1+ Personal Dust Monitor, AIR XD Dust Monitor, XD ONE Portable Dust Monitor) and the SENTRO X gas detection range (SENTRO X controller, SENTRO 8, SENTRO 1, SENTRO Wireless, infrared, toxic and flammable gas detectors), supported by accessory sensors (temperature, vibration, pressure, flow, power, connectors, alarms, controllers) and software solutions (AIR X Software, Aethair Technology, Reactec Ecosystem, BreatheLITE, BreatheMOBILE).

Product overview

Trolex provides a comprehensive portfolio of real-time safety monitoring technology for industrial occupational environments. The product portfolio centers on two core product lines: the AIR X range of particulate monitoring devices (including AIR XS Silica Monitor, XD1+ Personal Dust Monitor, AIR XD Dust Monitor, and XD ONE Portable Dust Monitor) and the SENTRO X gas detection system (including SENTRO X Controller, SENTRO 8, SENTRO 1, SENTRO Wireless, and specialized gas detectors for infrared, toxic, and flammable gas detection). Supporting these core systems are a range of accessory sensors including temperature sensors, vibration sensors, pressure monitoring systems, connectors, power supplies, alarms, and programmable controllers. Software solutions include AIR X Software, Aethair Technology, and the Reactec Ecosystem for cloud-based analytics, supported by BreatheLITE and BreatheMOBILE applications for device management and data visualization.

Differentiator

Problem solved

Functional benefit

Brands

• AIR X: Brand for particulate monitoring products including AIR XS Silica Monitor, AIR XD Dust Monitor, XD1+ Personal Dust Monitor, and XD ONE Portable Dust Monitor
• SENTRO X
• BreatheLITE
• BreatheMOBILE

Products and services

• TX8100 AIR XS Silica Monitor World's first real-time silica monitor that detects and distinguishes respirable crystalline silica (RCS) in real time using patented Optical Refraction Technology (ORT), designed for industrial occupational environments such as mining, tunnelling, construction, and stone fabrication.
• TX8061 XD1+ Personal Dust Monitor

Quantifiable outcome

• AIR XS returned results of 0.118 mg/m³ and 0.079 mg/m³ compared to laboratory analysis of 0.101 mg/m³ during bagging activities, demonstrating close correlation with traditional gravimetric sampling methods.
• +3 more outcomes

Named customers14 records

Segments7 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability4 records

Feature6 records

Partnerships

Five partnerships are on record, tiered minor, core and primary.

• All-Party Parliamentary Group for Respiratory Health (APPG)minorStrategic or Co-development Partner · 1 January 2023Trolex contributed input to the APPG's revised report 'Improving Silicosis Outcomes in the UK', influencing respiratory health policy and recommending that HSE assess data and technology needed to reduce the WEL for silica to 0.05mg/m³.
• ReacteccoreTechnology or IntegrationStrategic partnership integrating Trolex XD1+ with Reactec's cloud-based Analytics platform and RASOR IoT gateway. The integration enables real-time worker exposure data transmission, GPS location tracking, automatic data collection, and personalised dust monitoring via RFID identity cards. XD1+ transforms into a connected, personalised dust monitoring device sharing data insight to remote supervisors and key stakeholders.
• Centre for Work Health and Safety (Australia)coreStrategic or Co-development PartnerPartnership with Centre for Work Health and Safety (Australia) supported the development of AIR XS technology. The Centre provided project support for silica detection technology development, contributing to the creation of the world's first real-time silica monitor.
• BASystemenprimaryChannel Partner/ Reseller/ DistributorBASystemen is the official distributor for Trolex in Belgium, Netherlands, and Luxembourg (Benelux region). They ordered six XD ONE demo units to demonstrate and lend to customers for field trials, promoting adoption of personal dust monitoring technology across Central Europe.
• Husqvarna GroupminorStrategic or Co-development PartnerCollaboration between Trolex and Husqvarna Group demonstrates innovative partnerships making a real impact on workplace safety. Customer feedback states 'This is a perfect example of how innovative partnerships like Trolex & Husqvarna Group can make a real impact on workplace safety.'

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Industrial Scientific: Industrial Scientific specialises in gas detection and connected worker safety (iNet), serving overlapping mining, tunnelling, and industrial customers with comparable fixed and portable gas monitoring solutions.
• Casella (IDEAL Industries): Casella's CEL-712 dust monitor is one of Trolex's named head-to-head competitors in independent testing. Both serve occupational hygiene and industrial dust monitoring customers with personal/portable real-time instruments.
• TSI Incorporated: TSI's DustTrak DRX is benchmarked directly against Trolex XD1+ in independent testing. TSI is a leading supplier of real-time aerosol and dust monitors used across occupational hygiene, cleanroom, and industrial safety applications.
• SKC Inc. SKC is a long-established specialist in occupational hygiene sampling pumps and real-time dust monitors, serving the same industrial hygiene consultants and worker-exposure monitoring use cases as Trolex.
• Sensidyne: Sensidyne supplies industrial gas detection and air sampling instruments for occupational and environmental monitoring, with comparable products and customer overlap to Trolex's gas and particulate portfolios.

Broad incumbents

• Thermo Fisher Scientific: Thermo's MIE pDR 1500 is another named competitor to the XD1+. As a broad instrumentation incumbent with global life-sciences/analytical reach, Thermo can bundle particulate monitors into larger enterprise safety and lab contracts.
• Dräger: Dräger is a global safety incumbent with overlapping gas detection (SENTRO X competes here) and broader worker-safety product lines serving mining and industrial customers that Trolex targets.
• MSA Safety: MSA is a large global safety equipment provider with fixed and portable gas detection, plus growing connected-worker offerings, competing directly with Trolex's SENTRO X gas detection portfolio in mining and industrial segments.
• Honeywell Safety (RAE Systems): Honeywell's RAE Systems offers portable and fixed gas detectors plus connected safety solutions across industrial, mining, and emergency response markets, competing with both SENTRO X gas detection and the connected worker ecosystem.

Emerging players

• Aeroqual: Aeroqual provides air quality and particulate monitoring sensors for industrial, environmental, and occupational applications — an emerging player in real-time IAQ monitoring that partially overlaps with Trolex's AIR X range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCXK4c1eTGpUchbfUfil8Xzg
• Facebookfacebook.com/trolex.uk
• LinkedInlinkedin.com/company/trolexuk
• Instagraminstagram.com/trolexuk
• Xx.com/Trolex_Ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds1 record

Investors1 record

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 Trolex