Gas Measurement Instruments

What Gas Measurement Instruments does

Teledyne Gas and Flame Detection, operating under the DBA "Teledyne GFD," is a wholly-owned business unit of Teledyne Technologies (NYSE: TDY) that designs, manufactures, and sells fixed and portable gas and flame detection systems for industrial safety applications. The company consolidates over 100 years of combined gas detection heritage from three legacy brands — Detcon, Oldham Simtronics, and GMI — and markets a portfolio spanning six product categories: controllers and alarms (including the MX-43), fixed gas detectors (700 series), fixed flame detectors (including Spyglass and the GD10 infrared detector), portable gas measurement devices (GS700), personal safety monitors (PS-200, PS DUO), and area gas detectors with wireless beacons. Core technology includes MEMS-based gas sensors for miniaturized detection, infrared sensing with a dirty optics early-warning feature, and the MethaSense methane detection series launched in August 2025.

The company serves at least 11 industrial verticals, with oil and gas as the primary segment and additional exposure to industrial gases, transportation, steel, methane emissions, hydrogen, water and waste, energy, fire/firefighting, food and beverage, maritime, and confined-space entry applications. Revenue is generated primarily through hardware sales of detectors, controllers, and personal safety monitors, supplemented by application engineering turnkey solution services and self-serve e-commerce via the Shopify-based Teledyne online store. Pricing is not publicly disclosed and is negotiated through regional sales teams covering the Americas (Houston), EMEA Fixed (France), and EMEA Portable (Scotland/UK). Distribution combines direct enterprise field sales, an e-commerce storefront, and a strategic channel partnership with Southern Cross (a Sparus Company) targeting U.S. gas utilities.

The business unit operates within Teledyne Technologies' broader Safety segment and benefits from parent-level capital allocation, global procurement, and cross-selling opportunities with adjacent Teledyne operating companies, while being constrained by the corporate structure of a publicly traded parent with no independent fundraising or M&A optionality specific to this unit.

Name

Gas Measurement Instruments

Legal name

Teledyne Gas and Flame Detection

Website

https://gmiuk.com

Company type

Private

Founded year

1900

Operating status

Operating

Headcount range

51–100 employees

Short description

Teledyne Gas and Flame Detection, a Teledyne Technologies subsidiary, designs and sells fixed and portable gas and flame detection systems serving industrial safety customers across oil and gas, hydrogen, methane emissions, maritime, and other verticals worldwide.

Ownership category

akta.pro rank

Product category

Industrial Gas Detection Equipment

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

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

akta.pro primary industry

Fixed Gas Detection & Continuous Monitoring (Sensors/IoT/Telemetry) (EUAJADAB)

akta.pro secondary industry

Remote Monitoring/Telemetry for Regulators & Meter Stations (RTUs, Sensors) (EUAJAKAM)

Keywords

• Gas detection systems
• Flame detection equipment
• Fixed gas detectors
• Portable gas monitors
• Industrial safety monitoring

Headquarters

HQ city

Renfrew

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Fixed Gas and Flame Detectors: Sale of fixed-point gas detectors and flame detection systems to industrial customers for continuous monitoring in hazardous environments.
2. Portable Gas Detectors and Measurement Devices: Sale of portable gas measurement devices and personal safety gas monitors for mobile hazard detection.
3. Controllers and Alarms: Sale of controllers and alarm systems compatible with gas detector networks.
4. Online Store Sales: Self-serve e-commerce sales through the Teledyne online store for select products.
5. Application Engineering Services: Turnkey solution engineering services for custom gas detection installations.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Teledyne Gas and Flame Detection designs, manufactures, and sells fixed-point and portable gas detectors, fixed flame detectors, controllers and alarms, personal safety gas monitors, and wireless area gas detection beacons for industrial workplace safety. The company brings together over 100 years of combined heritage from the Detcon, Oldham Simtronics, and GMI brands, and complements its hardware with Application Engineering turnkey installation services.

Product overview

Teledyne Gas and Flame Detection offers a comprehensive portfolio of gas detection products brought together from acquired brands Detcon, Oldham Simtronics, and GMI. The product portfolio includes fixed-point and portable gas detectors and controllers, organized into six main product categories: Controllers and Alarms (including MX-43), Fixed Gas Detectors (700 series), Fixed Flame Detectors (including Spyglass and GD10 infrared detectors), Portable Gas Measurement Devices (GS700), Personal Safety Gas Monitors (PS-200, PS DUO), and Area Gas Detectors & Wireless Solutions. These products serve industrial applications across oil and gas, transportation, steel, hydrogen, energy, water/waste, confined spaces, and other sectors requiring hazardous gas and flame detection for workplace safety.

Differentiator

Problem solved

Functional benefit

Brands

• Detcon: Fixed and portable gas detection products from the Detcon brand portfolio
• Oldham Simtronics
• GMI
• MethaSense
• PS Series
• 700 Series
• GS700
• GD10

Products and services

• Fixed Gas Detectors Reliable and efficient fixed gas detectors designed for industry and service sector professionals to continuously monitor hazardous gases in industrial environments.
• Fixed Flame Detectors High-performance flame detection solutions designed to precisely meet the needs of demanding industrial professionals, including the Spyglass flame detector.
• Portable Gas Measurement Devices Portable detectors including the GS700 portable gas leak detector designed to identify gas leaks and alert users to potential hazards in industrial settings.
• Personal Safety Gas Monitors Dependable portable personal safety gas detection solutions for protecting staff from hazardous gas exposure, including the PS-200 personal safety monitor and PS DUO.
• Controllers and Alarms High-performance Teledyne Gas and Flame Detection controllers and alarms compatible with gas detectors, including the MX-43 controller, for monitoring and alerting in industrial environments.
• Area Gas Detectors and Wireless Solutions Wireless gas detection beacons with durable and versatile monitoring capabilities suitable for a wide range of industries including refineries and pharmaceutical production.
• PS DUO Personal Safety Gas Monitor Personal safety gas monitor with advanced detection capabilities for worker protection in hazardous environments.
• MethaSense Methane Detection and Monitoring Series Methane detection and monitoring series covering all applications, supporting industrial methane compliance, leak reduction, and greenhouse gas monitoring.
• GD10 Infrared Gas Detector Infrared gas detector featuring early dirty optics warning to maintain detection accuracy and reliable flame and gas detection.
• Application Engineering Turnkey Solutions Turnkey solution engineering services for custom gas detection installations, bundling Teledyne hardware with custom design and implementation support for industrial customers.

Quantifiable outcome

• Workplace safety enabled across refineries, pharmaceutical production, and diverse industrial sectors globally

Segments13 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Southern Cross (Sparus Company)coreChannel Partner/ Reseller/ Distributor · 9 March 2026Teledyne GMI announced a strategic partnership with Southern Cross, a Sparus Company, to support the U.S. gas utilities market. This partnership extends distribution reach into the U.S. gas utilities segment, leveraging Southern Cross's market position as a channel partner for Teledyne GMI products.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Sensidyne: US distributor and manufacturer of fixed and portable gas detection equipment (including Bacharach and Ion Science brands) competing in similar industrial and environmental safety applications.
• Industrial Scientific: Pure-play gas detection specialist with the Ventis Pro and Radius BZ1 wireless area monitors, directly overlapping with Teledyne's portable and wireless area detection products.
• Crowcon Detection Instruments: UK-based gas detection manufacturer (part of Halma) with portable and fixed detectors sold into oil & gas, utilities, and confined-space applications — closely comparable to Teledyne's GMI and Oldham Simtronics lines.
• Dräger: German safety and medical technology company offering the X-am and Polytron families of portable and fixed gas detectors with overlapping applications in oil & gas, chemical, and confined-space safety.
• MSA Safety: Global safety equipment manufacturer with a leading portfolio of fixed and portable gas detectors (e.g., Altair, Ultima XE) competing head-to-head with Teledyne GFD across oil & gas, fire service, and industrial safety markets.
• RKI Instruments: Specialty gas detection manufacturer offering fixed and portable monitors with strong presence in refineries and utilities, overlapping with Teledyne's Detcon and GMI product lines.
• Bacharach: Combustion and gas detection specialist focused on HVAC, refrigeration, and food service leak detection, comparable to Teledyne's portable gas measurement and food & beverage segment offerings.
• Honeywell (Honeywell Analytics / RAE Systems): Industrial safety division covering the RAE Systems portable and analytics fixed gas detection lines, competing directly with Teledyne GFD across refining, petrochemical, and HazMat response markets.

Broad incumbents

• AMETEK: Diversified industrial instrumentation conglomerate whose Process & Analytical Instruments division includes gas and flame detection technologies, overlapping with Teledyne GFD's broader safety instrumentation portfolio.
• Emerson (Rosemount / Net Safety): Industrial automation leader whose Net Safety and analytical brands supply fixed gas and flame detection systems to oil & gas and process industries, overlapping meaningfully with Teledyne GFD's fixed detection business.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCvhH23qPjCmy_vTPMqD6TJQ
• LinkedInlinkedin.com/company/gas-measurement-instruments-ltd
• Xx.com/gmigasdetection
• Facebookfacebook.com/gasmeasurementinstruments

Revenue estimate

Valuation estimate

Number of profiles

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 Gas Measurement Instruments