What EKO Instruments does

EKO Instruments (英弘精機株式会社, EKO INSTRUMENTS CO., LTD.) is a privately-held Japanese manufacturer of scientific-grade measurement instruments, founded in 1927 and headquartered in Tokyo (Shibuya) with 51-100 employees. The company operates four product divisions: (1) Solar Radiation Measurement, including MS-series pyranometers (notably the MS-80SH with 4-output conversion and 5-year recalibration), MS-711/MS-712/MS-730 spectroradiometers covering 300-1700nm with NIST-traceable calibration, and sun trackers; (2) Environmental Measurement, encompassing WINDCUBE Doppler lidar (1.54μm, DNV-GL Stage 3 certified), SLS/BLS scintillometers, weather stations, anemometers, rain/snow sensors, gas analyzers, sound level meters (SV307/SV971A/SV973A), and data loggers; (3) Solar/Wind Power Assessment, including WINDCUBE Nacelle lidar and Ammonit wind measurement systems for utility-scale renewable energy projects; and (4) Physical Property Analysis, featuring distributed brands such as Brookfield viscometers, DataPhysics contact angle systems, VMA-Getzmann dispersers, and life science products (zenCELL Owl, PermeaPad).

The business model combines proprietary manufactured instruments with distributed third-party brands. Revenue is generated through direct hardware sales via five regional offices (Japan, USA-San Jose, Netherlands-The Hague, Hong Kong, India), authorized distributor channels (Campbell Scientific for North America/Thailand), and OEM integrations (Emerson Ovation Green for solar monitoring). Recurring revenue streams include calibration, repair, and maintenance services, plus technical consulting for measurement applications. Customer segments span solar/wind energy developers (primary), meteorological research institutions and government weather agencies (primary), industrial QC and R&D labs in materials testing (secondary), and environmental monitoring agencies (secondary). Pricing is quote-based and not publicly disclosed.

EKO maintains active memberships in ISO, IEC, ASTM International, and Hmeii (Japanese measurement instrument association), and its products hold sector-specific certifications including IEC 61672-1 (sound), IEC 61400-50-3 (nacelle lidar), and NIST-traceable calibration standards, creating a standards-driven moat in regulated procurement environments.

Name

EKO Instruments

Legal name

英弘精機株式会社 (EKO INSTRUMENTS CO., LTD.)

Website

https://eko.co.jp

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

51–100 employees

Short description

EKO Instruments is a Japanese manufacturer (founded 1927) of scientific-grade measurement instruments for solar radiation, wind profiling, environmental monitoring, and physical property analysis, serving renewable energy developers, meteorological agencies, and industrial R&D labs across 30+ countries.

Ownership category

akta.pro rank

Product category

Scientific Measurement Instruments

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Analytical Laboratory Instrument Manufacturing (334516), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Laboratory Analytical Instruments (3826), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Environmental & Safety Monitoring Instruments (Air quality, emissions, radiation, noise, gas detection) (IMAGAFAJ)

akta.pro secondary industries

Mass Spectrometry & Spectroscopy Instruments (HLAGAIAB), Machine Vision & Optical Sensing (Cameras, 3D vision, LiDAR, illumination) (IMAGAFAB), Calibration Services & Standards (Calibration labs, reference standards, traceability services) (IMAGAFAH)

Keywords

• Solar radiation measurement
• Environmental monitoring instruments
• Wind resource assessment
• Spectroradiometer instruments
• Meteorological measurement equipment

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Scientific Instruments Sales: EKO Instruments manufactures and sells scientific-grade measurement instruments including pyranometers, spectroradiometers, wind lidars, scintillometers, viscosity meters, and environmental monitoring equipment to research institutions, industrial companies, and government agencies worldwide.
2. Calibration and Repair Services: The company provides calibration, repair, and maintenance services for its measurement instruments, supporting long-term customer relationships and recurring service revenue.
3. Technical Consulting: EKO offers technical consulting services for measurement applications, custom analysis, and instrument selection.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels5 records

Core offering

EKO Instruments manufactures and sells scientific-grade precision measurement instruments including pyranometers, spectroradiometers, Doppler lidar wind profilers, scintillometers, weather stations, sound level meters, viscometers, and data loggers. The company serves research institutions, renewable energy developers, industrial manufacturers, and government agencies with meteorological, environmental, solar radiation, wind power, and physical property analysis equipment, complemented by calibration, repair, and technical consulting services.

Product overview

EKO Instruments (英弘精機株式会社) is a Japanese scientific instrument manufacturer offering a comprehensive portfolio of precision measurement instruments for meteorological, environmental, solar radiation, wind power, and physical property analysis applications. The product portfolio spans four main categories: (1) Solar Radiation Measurement including MS series pyranometers (MS-80SH, MS-80S, MS-60S, MS-40S), MS-711/MS-712/MS-713/MS-730 spectroradiometers, sun trackers (STR series), and quantum/illumination sensors; (2) Environmental Measurement including WINDCUBE Doppler lidar systems, FAS series Doppler sodar, SLS/BLS scintillometers, weather stations (WS series), anemometers (MA, uSonic, 81000/86000 series), temperature/humidity sensors (MT series), rain/snow sensors (MW, IDS), barometers (MY-021), gas analyzers (CLD, aeroQUAL), aerosol detectors (WIBS NEO, PAX, SP2, DUST SENTRY), sound level meters (SV series), sky cameras (ASI-16), and data loggers (MX, MC, 2300A, 3670/3671, 3913, CADAC3); (3) Solar/Wind Power including wind assessment systems (WINDCUBE Nacelle, Ammonit), power curve measurement, and PV evaluation; (4) Physical Property Analysis including Brookfield viscometers (B-type, DVNext, Cone & Plate), CAMAG TLC systems, DataPhysics contact angle systems, Huber temperature controllers, VMA-Getzmann dispersers, and life science products (zenCELL owl, PermeaPad). The company operates globally with offices in Japan, USA, Netherlands, Hong Kong, and India.

Differentiator

Problem solved

Functional benefit

Brands

• EKO LiDAR: Next-generation atmospheric observation solution for temperature and water vapor measurement
• MS-80SH
• WINDCUBE

Products and services

• MS-80SH Pyranometer Scientific-grade pyranometer with 4-output conversion method, built-in temperature/humidity and tilt sensors, and 5-year recommended recalibration interval for high-accuracy solar irradiance measurement in PV plant monitoring and solar resource assessment.
• MS-711 Visible-Near Infrared Spectroradiometer Spectroradiometer for visible to near-infrared range (300-1100nm) with 4x channel count compared to previous model MS-700. Can combine with MS-712 for 300-1700nm continuous spectrum data, used for solar spectral analysis in research and PV testing.
• MS-712 Near Infrared Spectroradiometer Near-infrared spectroradiometer (900-1700nm) for outdoor continuous measurement. Pairs with MS-711 for full 300-1700nm spectrum coverage in solar spectral analysis applications.
• MS-730 Portable Spectroradiometer Portable spectroradiometer (350-1050nm) with Wi-Fi connectivity, battery operation, and Android compatibility for field spectral measurements in solar research and PV applications.
• WINDCUBE V2.1 Doppler Lidar System 1.54μm eye-safe pulsed laser Doppler lidar for atmospheric wind profiling up to 300m altitude, used in wind resource assessment for commercial wind power projects with DNV-GL Stage 3 certification.
• WINDCUBE Nacelle Lidar Nacelle-mounted Doppler lidar for wind turbine power curve measurement and yaw control correction. Measurement range 50-700m, IEC61400-50-3 compliant, installed on over 200 wind turbine models globally.
• WS500 Weather Station Multi-parameter weather sensor measuring temperature (-50 to 60°C), humidity (0-100% RH), atmospheric pressure (300-1200hPa), wind direction (0-359.9°), wind speed (0-75m/s), and rainfall (0-100mm/h) for meteorological monitoring stations.
• SV307 Class 1 Outdoor Sound Level Meter Class 1 outdoor noise monitoring station with patented MEMS microphone, 4G/GPS modem, internal temperature control, up to 5 days battery life, IEC 61672-1:2013 and IEC 61260-1:2014 compliant, supporting SvanNET remote monitoring for environmental noise measurement.
• SV971A Class 1 Portable Sound Level Meter Class 1 portable sound level meter with 120dB dynamic range microphone, up to 24 hours battery life, 24-137dB linear measurement range, IEC 61672-1:2013 compliant, with Bluetooth connectivity for mobile apps in occupational health and environmental noise monitoring.
• Brookfield B-Type Viscometer Rotational viscometer for viscosity measurement of liquid materials including quality control, manufacturing, and R&D applications. Global standard for viscosity measurement, distributed by EKO in Japan.
• Remote-500 SOFC Fuel Cell System Solid oxide fuel cell (SOFC) power generator providing 100-450W output for remote off-grid applications. Propane gas operated, maintenance-free, designed for powering WINDCUBE remote deployments in locations without grid power.
• EKO LiDAR Atmospheric Observation System Next-generation atmospheric observation solution for temperature and water vapor measurement using LiDAR technology, targeted at meteorological research and weather forecasting applications.
• FAS Series Doppler Sodar Phase array Doppler sodar for low-level atmospheric wind and turbulence profiling. Available in XFAS52, FAS64, and SFAS64 variants with different measurement ranges for wind resource assessment.
• PermeaPad Artificial phospholipid-laminated membrane for drug absorption evaluation as a Caco-2 alternative for permeability testing, with room temperature storage and high reproducibility for pharmaceutical research.
• Calibration, Repair and Technical Consulting Services Calibration, repair, maintenance, and technical consulting services for EKO measurement instruments, supporting long-term customer relationships and recurring service revenue.

Quantifiable outcome

• DNV-GL Stage 3 certification for WINDCUBE enables commercial use in wind power projects
• +1 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature5 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• EmersoncoreTechnology or Integration · 20 November 2025EKO Instruments USA supplied MS-80SH Pyranometers for integration into Emerson's Ovation™ Green solar monitoring and management solutions. The sensors provide high-accuracy irradiance data for performance measurement at the 110MW Three W Solar project in Texas.
• Campbell Scientific Southeast AsiaminorChannel Partner/ Reseller/ DistributorAuthorized distributor for Thailand region handling environmental and meteorological measurement equipment including EKO pyranometers and wind monitoring systems.
• Campbell ScientificminorChannel Partner/ Reseller/ DistributorAuthorized distributor for Canada and USA markets handling EKO Instruments environmental monitoring and data acquisition products.
• Leosphere (WINDCUBE)coreTechnology or IntegrationEKO distributes Leosphere's WINDCUBE Doppler Lidar systems, including nacelle-mounted variants, for wind assessment and wind turbine power curve measurements. Products are DNV-GL certified for commercial wind power applications.
• SCINTEC (SLS/BLS Scintillometers)coreTechnology or IntegrationEKO distributes SCINTEC's SLS series and BLS900 scintillometers for turbulence and flux measurement applications in atmospheric research and wind energy assessment.
• BrookfieldcoreChannel Partner/ Reseller/ DistributorEKO is the authorized distributor of Brookfield viscosity meters in Japan, offering B-type viscometers, cone/plate viscometers, and rheology solutions for quality control and R&D applications.
• NIST (Calibration Traceability)coreTechnology or IntegrationEKO spectroradiometers (MS-711, MS-712) are traceable to NIST (National Institute of Standards and Technology) standard lamps, ensuring measurement accuracy and international standardization.
• International Standards OrganizationscoreTechnology or IntegrationEKO maintains memberships and compliance with ISO, IEC, and ASTM international standards organizations, as evidenced by footer certifications on their website.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Hukseflux: Dutch manufacturer of scientific-grade pyranometers, heat flux sensors, and radiation measurement instruments. Direct competitor to EKO's MS-series pyranometers and solar radiation product line, serving overlapping customers in meteorology, renewable energy, and climate research.
• OTT HydroMet (Kipp & Zonen): Part of OTT HydroMet, Kipp & Zonen is a Dutch manufacturer of solar radiometers (pyranometers, pyrheliometers) and atmospheric measurement instruments. A leading global brand competing head-to-head with EKO's MS-80SH and spectroradiometers in research and renewable energy applications.
• Vaisala: Finnish global leader in weather, environmental, and industrial measurement instruments. Competes with EKO in weather stations, anemometers, and atmospheric observation across all segments, though Vaisala operates at significantly larger scale and broader portfolio scope.
• Campbell Scientific: US-based manufacturer of data acquisition systems, weather stations, and environmental sensors. Already an EKO distribution partner in North America and Southeast Asia; competes in the same end markets (research, renewable energy, agriculture) with complementary instrumentation portfolios.
• Apogee Instruments: US manufacturer of environmental sensors including quantum sensors, pyranometers, infrared radiometers, and soil moisture probes. Direct competitor to EKO in solar radiation measurement and plant science instrumentation, particularly for agricultural and ecological research markets.
• Delta-T Devices: UK-based manufacturer of environmental sensors for soil moisture, weather, and plant science applications. Overlaps with EKO's environmental measurement and plant science (AM350, LCPro) product lines for research and agriculture customers.
• METER Group: US-based manufacturer of environmental, soil, and atmospheric sensors (formerly Decagon Devices). Competes with EKO in environmental monitoring, plant science, and meteorological research instrumentation globally.
• Gill Instruments: UK manufacturer of ultrasonic anemometers and wind sensors. Direct competitor to EKO's uSonic-3, MA, and 81000/86000 series anemometers in meteorology, wind energy, and aviation applications.

Broad incumbents

• HORIBA: Japanese global leader in analytical and measurement instruments for automotive, environmental, life science, and semiconductor markets. Comparable as a Japanese precision instrumentation peer with overlapping physical-property and analytical product lines, though HORIBA operates at vastly larger scale and scope.
• LI-COR Biosciences: US manufacturer of environmental measurement instruments including infrared gas analyzers, light measurement sensors, and plant science equipment. Competes in select segments (plant science photosynthesis, spectroradiometry) but operates broader across biophysical research instrumentation.

Market position

Strengths5 records

Weaknesses2 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCdY-w-KMXxal6IsOXqc3gLQ
• LinkedInlinkedin.com/company/eko-instruments-co.-ltd.

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries4 records

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 EKO Instruments