What Edinburgh Sensors does

Edinburgh Sensors Ltd is a UK-based (Livingston, Scotland) division of Edinburgh Instruments Ltd, operating as a specialised designer and manufacturer of Non-Dispersive Infrared (NDIR) gas sensors and fixed gas monitors for the detection of carbon dioxide, carbon monoxide, methane, nitrous oxide, sulphur hexafluoride, refrigerants and hydrocarbons. The company's core technology is a pseudo dual-beam NDIR measurement architecture using proprietary infrared band-pass filter design (heritage tracing to a 1956 paper by the founder of parent Edinburgh Instruments), with on-board barometric pressure and temperature compensation delivering ±2% of range accuracy across a 0–95% RH, 0–45°C, 800–1150 mbar operating envelope and T90 response times of 10–30 seconds. The product portfolio comprises OEM sensor modules (Gascard NG, Chillcard NG) sold to instrument manufacturers and system integrators, and finished fixed/portable monitors (Guardian NG, Guardian NG DC, Boxed Gascard) sold to end-users, all field-serviceable and supported from the Livingston servicing/calibration base.

Edinburgh Sensors operates a sales-led go-to-market via direct enterprise sales ([email protected]), an international distributor network, and an OEM/embedded channel into third-party landfill, biogas, HVAC, TOC and laboratory analysers; revenue is generated through one-time hardware sales, custom/special gas-sensing solutions, and recurring after-sales servicing, calibration and repair. Customers span multiple regulated verticals — landfill and biogas, agriculture and environmental monitoring, coal mining, electric-power switchgear, food and beverage, indoor air quality, workplace and personal safety, and academic research — with ten of thousands of monitors deployed worldwide and a small set of named academic research users (e.g., Democritus University of Thrace, an unnamed UK anaerobic-digestion research team). The business is privately held, with 11–50 employees, no public financial disclosure, and a repair-not-replace design philosophy that supports long product lifecycles and aftermarket engagement.

Name

Edinburgh Sensors

Legal name

Edinburgh Sensors Ltd

Website

https://edinburghsensors.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

11–50 employees

Short description

Edinburgh Sensors Ltd is a UK-based designer and manufacturer of Non-Dispersive Infrared (NDIR) gas sensors and fixed gas monitors detecting CO2, CO, CH4, N2O, SF6, refrigerants and hydrocarbons, serving landfill/biogas, agriculture, mining, electric power, HVAC/IAQ and laboratory customers worldwide via direct sales, distributors and OEM integration.

Ownership category

akta.pro rank

Product category

Gas Detection / Gas Sensing Equipment

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Natural Gas Distribution (221210), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Oil & Gas Field Exploration Services (1382), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Process Analytical Instrumentation (Gas analyzers, spectroscopy, pH/ORP, conductivity) (IMAGAFAE)

akta.pro secondary industry

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

Keywords

• NDIR gas sensors
• Infrared gas detection
• OEM gas sensing modules
• Fixed gas monitors
• Refrigerant leak detection

Headquarters

HQ city

Livingston

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware sales — OEM infrared gas sensors (Gascard NG, Chillcard NG): One-time/unit hardware sales of infrared OEM gas sensors to system integrators and instrument manufacturers. Configured per gas type and range (e.g., CO2, CO, CH4, N2O, SF6).
2. Hardware sales — fixed/wall-mounted gas monitors (Guardian NG, Boxed Gascard): Sale of finished fixed gas monitors and boxed turn-key instruments for end-user industrial and safety deployments.
3. Servicing, calibration and repair services: Recurring/after-sales revenue from full servicing, calibration, and repair of returned sensors from the Livingston base, supporting the company's repair-not-replace model.
4. Custom/special gas sensing solutions: Customised solutions for complex or non-standard applications beyond the standard product range, supplied in collaboration with Edinburgh Sensors' engineers.
5. Distributor-fulfiled sales (channel revenue): Sales fulfilled through international distributors who support regional enquiries and orders, generating indirect/channel revenue.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Edinburgh Sensors designs, manufactures and services Non-Dispersive Infrared (NDIR) gas-sensing products for CO2, CO, CH4, N2O, SF6, refrigerants and hydrocarbons. Its product range is organised into OEM sensor cards (Gascard NG, Chillcard NG) sold to system integrators and instrument manufacturers, and turn-key fixed/wall-mounted gas monitors (Boxed Gascard, Guardian NG, Guardian NG DC) for end-user industrial, environmental, agricultural and safety deployments. Recurring revenue is generated through servicing, calibration and repair of returned sensors from the Livingston base.

Differentiator

Problem solved

Functional benefit

Brands

• Gascard NG: NDIR infrared gas sensor card for OEM integration.
• Guardian NG
• Guardian NG DC
• Chillcard NG
• Boxed Gascard

Products and services

• Gascard NG OEM NDIR infrared gas sensor card for CO2, CO, CH4, N2O, SF6, refrigerants and hydrocarbons; designed for integration into third-party gas detection, landfill, biogas, HVAC, TOC and laboratory instruments, with on-board pressure and temperature compensation, true RS232 and optional TCP/IP communications, and 4-20 mA / 0-20 mA / relay outputs.
• Boxed Gascard Desktop/benchtop turn-key NDIR gas monitor based on the Gascard sensor card, for end-user gas detection in laboratory and process settings.
• Guardian NG Wall-mounted NDIR infrared gas monitor with true volume % readout, on-screen menus, and relay and fault outputs, designed for fixed multi-gas detection across landfill, biogas, industrial and safety applications.
• Guardian NG DC Dust-corrected variant of the Guardian NG wall-mounted NDIR gas monitor, for fixed multi-gas detection in dusty industrial and environmental environments.
• Chillcard NG NDIR sensor card designed for refrigerant leak detection and low-concentration gas measurement, for OEM integration into refrigerant and SF6 detection instruments.
• Accessories Standalone accessories supporting Edinburgh Sensors gas monitors (e.g., complementary hardware add-ons for the Gascard NG, Guardian NG and Boxed Gascard product lines).
• Spare Parts Replacement spare parts for Edinburgh Sensors gas monitors, supporting the company's field-serviceable, repair-not-replace product philosophy.
• Servicing, Calibration and Repair Services Full servicing, calibration and repair of returned Edinburgh Sensors gas sensors and monitors, performed at the Livingston base to support the company's repair-not-replace model.
• Custom / Special Gas Sensing Solutions Customised gas-sensing solutions for complex or non-standard applications beyond the standard product range, delivered in collaboration with Edinburgh Sensors' engineers.

Quantifiable outcome

• ±2% of range accuracy maintained across the full measurement span, over 0–95% RH and 0–45°C operating envelope.
• +3 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

Feature9 records

Partnerships

Seven partnerships are on record, tiered flagship / core, group-level, core and minor.

• Edinburgh Instrumentsflagship / coreStrategic or Co-development PartnerEdinburgh Instruments is the parent group of Edinburgh Sensors; the website links to edinst.com, the shared address is '4 Bain Square, Kirkton Campus, Livingston, EH54 7DQ' (Edinburgh Instruments Ltd), customer enquiries route via [email protected], and the heritage of infrared band-pass filter design (1956 paper) is credited to the founder of Edinburgh Instruments.
• Techcomp (Lab Products)group-levelStrategic or Co-development PartnerEdinburgh Sensors' LinkedIn and Facebook social channels are operated under the Techcomp Lab Products brand (linkedin.com/company/techcomp-labproducts, facebook.com/TechcompLabProducts), indicating Techcomp is the ultimate parent group alongside Edinburgh Instruments.
• International distributor networkcoreChannel Partner/ Reseller/ DistributorEdinburgh Sensors maintains a public 'Distributors' navigation page and, per the privacy policy, may forward customer contact information to distributors to support enquiries and orders. The website describes global installations across landfill, biogas, agriculture, mining and electric-power sites, indicating distributors handle regional sales in multiple countries.
• OEM system integrators / instrument manufacturerscoreOEM/ Whitelabel/ Licensing PartnerEdinburgh Sensors provides Gascard NG and Chillcard NG OEM infrared sensing modules with evaluation kits, RS232/TCP-IP communications, and engineering support for integration into third-party landfill/biogas/HVAC/laboratory/TOC instruments. Multiple application notes describe volume customers evaluating or integrating the Gascard NG and Guardian NG into their own products.
• UK academic research groups (anaerobic digestion / hydrogen production)minorStrategic or Co-development PartnerUK Researchers used Edinburgh Sensors CH4 and CO2 sensors in published studies on two-stage anaerobic digestion producing hydrogen and methane from biomass. The company highlights these collaborations as application references.
• Democritus University of Thrace (Department of Environmental Engineering, Greece)minorOthersResearch collaboration: the university's Department of Environmental Engineering used the GasCard NG infrared sensor to measure biogas composition (after humidity removal through a silica gel trap) in research on anaerobic digestion of slaughterhouse wastes, published in the Journal of Environmental Management.
• Landfill gas analyser developers (unnamed volume customers)coreOEM/ Whitelabel/ Licensing PartnerEdinburgh Sensors' Gascard NG has been used over the last 10 years 'by many of the leading Landfill gas analyser developers, leading to installations worldwide on landfill sites' — embedded OEM relationship with multiple unnamed instrument manufacturers.

Scale indicators8 records

Recent moves5 records

Expansion highlights4 records

Others

• Edinburgh Instruments: Edinburgh Instruments is the parent entity and a strategic/operational partner of Edinburgh Sensors, sharing HQ, sales infrastructure and the original 1956 infrared band-pass-filter heritage. Listed as a peer because the technology lineage, R&D resources and sales channel are shared, even though it does not directly compete in the gas-sensing market.

Emerging players

• ELT SENSOR: ELT SENSOR is a South Korean NDIR CO2 sensor manufacturer focused on IAQ, automotive and HVAC OEM applications. It competes in the same OEM NDIR module category as Gascard NG and Chillcard NG, with growing international presence — comparable as an emerging low-cost NDIR specialist.

Broad incumbents

• MSA Safety: MSA Safety provides fixed and portable gas detectors across industrial, mining and first-responder markets. Its fixed-IR monitors overlap with Edinburgh Sensors' Guardian NG, particularly in coal mine methane detection and industrial safety, and it competes on global account reach and integrated safety solutions.
• Honeywell Analytics: Honeywell's analytics business offers fixed and portable gas detectors for industrial safety, landfill, biogas and process monitoring. It is a broad incumbent competing with Edinburgh Sensors' Guardian NG in end-user fixed monitors, with the advantage of much larger R&D and global distribution.
• Dräger: Dräger is a global leader in gas detection and respiratory protection, offering NDIR-based fixed monitors for industrial, mining and laboratory safety. It overlaps with Guardian NG in fixed gas monitoring and competes on regulated applications such as coal mine methane and laboratory safety.
• Murata Electronics (NDIR CO2 sensors): Murata manufactures compact NDIR CO2 sensors for HVAC, IAQ and automotive applications as part of its broader electronic-components portfolio. It is a broad incumbent competitor — overlapping functionally with Gascard NG on CO2 OEM modules but operating at much larger scale across many product lines.

Direct peers

• Amphenol Advanced Sensors (Telaire): Amphenol's Telaire line is a leading NDIR CO2 sensor franchise serving HVAC, IAQ, automotive and industrial OEM customers. It is one of the closest direct competitors to Edinburgh Sensors' Gascard NG/Chillcard NG OEM modules, competing on accuracy, size and integration interfaces for OEM gas-detection instruments.
• LI-COR Biosciences: LI-COR is a long-established infrared gas analyser specialist for scientific, agricultural and environmental research applications. Its LI-COR analyzers overlap with Edinburgh Sensors' OEM NDIR modules in research-grade CO2/CH4/H2O measurement, making it a directly comparable specialist peer in NDIR analytical instrumentation.
• Senseair (Asahi Kasei Microdevices): Senseair is an NDIR CO2 sensor specialist serving HVAC, IAQ, life-safety and process-control OEMs globally. Following its acquisition by Asahi Kasei, it has scaled aggressively and competes head-to-head with Edinburgh Sensors in OEM CO2 modules and integrated IAQ/health monitoring solutions.
• Gas Sensing Solutions (GSS): GSS is a UK-based NDIR CO2 sensor developer focused on low-power, solid-state LED-based NDIR for healthcare, IAQ and horticulture. It competes with Edinburgh Sensors in OEM CO2 modules and is closely comparable on geography, customer profile and NDIR technology base.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/edinsensors
• YouTubeyoutube.com/@edinburghsensors2018
• Facebookfacebook.com/Edinburgh-Sensors-1661020330781899
• LinkedInlinkedin.com/company/10470257

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 Edinburgh Sensors