What Suga Test Instruments does

Suga Test Instruments Co., Ltd. (スガ試験機株式会社) is a privately held Japanese manufacturer founded in 1920, specializing in environmental testing instruments for accelerated weathering, corrosion, and optical color-appearance measurement. The company serves automotive OEMs (Renault, Volkswagen, Toyota Body R&D), plastics and coatings manufacturers, textile producers, electronics firms (plating, semiconductors), pharmaceutical and packaging companies, and national research institutions. Products are specified in OEM-specific standards including Renault D27 1380-N and Volkswagen PV3930/PV3929/PV1303, and conform to ISO, IEC, CIE, ASTM, SAE, JIS, and AATCC test methods.

The core product line spans four categories: xenon arc and LED-based accelerated weathering test chambers (Super Xenon SX75 at 180 W/m² irradiance, Xenon GX90/GX75/NX90, LED Fade Meters LR-1/LF-Z, Fluorescent FUV); corrosion test instruments (Combined Cyclic CYP-100/CCT-1LM, Salt Spray STP-100/CAP-100, Gas Test GT-100, Mistomizer TM-1/TM-2); optical measurement devices (Haze HZ-V4, Gloss UGV-7/GC-1, Image Clarity ICM-2/IC series, Colour Meters SC-TSC-T45/CC-iS/CC-iW/CC-m); and environmental test instruments (rain, dust, fogging, abrasion, gravel chipping). Proprietary technologies include in-house xenon arc lamp manufacturing at the Hidaka-Kawagoe Factory yielding the world's longest 3,000-hour xenon lamp, the TM Double Beam Method for drift-compensated haze measurement, the VI-LED light source with 20,000-hour lifespan, the Quick View System reducing specimen inspection time by approximately 90%, and the Chamber Exchanging System enabling single-instrument gas and non-gas corrosion testing.

The business model combines direct enterprise sales in Japan through four regional branches (Tokyo HQ, Nagoya, Osaka, Hiroshima) with international distribution via authorized resellers across Asia (Thailand, Malaysia, China, Singapore, Taiwan), Europe, and the Americas. Revenue is generated primarily through hardware sales of capital equipment and a recurring JCSS/ISO 17025 accredited calibration services stream. Pricing is not publicly disclosed; all sales are handled through direct inquiry. Distribution is supplemented by commissioned testing facilities including Suga Testing Room at Denkei Trading (China), Suga Room at CIDETEQ (Mexico), and SUGA Open Lab at AGFA (Belgium). The company is family-controlled through three generations of Suga family leadership with no external investors, and maintains active participation in over 10 international standards committees — including Shigeo Suga's roles as ISO/TC156/WG7 Convenor and CIE/TC2-88 Chairman — providing direct influence on the global testing standards its products measure against.

Name

Suga Test Instruments

Legal name

スガ試験機株式会社 (Suga Test Instruments Co., Ltd.)

Website

https://sugatest.co.jp

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

1–10 employees

Short description

Suga Test Instruments is a Japanese manufacturer founded in 1920 producing accelerated weathering, corrosion, and optical measurement instruments for automotive, plastics, textiles, and electronics industries, with products specified in Renault and Volkswagen OEM standards.

Ownership category

akta.pro rank

Product category

Environmental Testing Equipment

NAICS

Analytical Laboratory Instrument Manufacturing (334516)

SIC

Laboratory Analytical Instruments (3826)

akta.pro primary industry

Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL)

Keywords

• Accelerated weathering testers
• Corrosion test instruments
• Xenon arc weather meters
• Optical measurement instruments
• Environmental testing equipment

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Testing Instruments Manufacturing and Sales: Design, manufacture, and direct sale of environmental testing instruments including accelerated weathering test chambers, corrosion test instruments, and optical color-appearance measurement devices. Revenue is generated through direct sales (domestic branches) and distributor networks (overseas).
2. Calibration and Technical Services: JCSS (Japan Calibration Service System) calibration services for spectral irradiance, temperature, and pressure measurement instruments. ISO/IEC 17025 accredited calibration certificates issued for water-cooled xenon lamps, radiometers, and related equipment.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Suga Test Instruments designs, manufactures, and sells accelerated weathering testers, corrosion test instruments, and optical color-appearance measurement devices. Its portfolio includes xenon weather meters, LED fade meters, salt spray testers, combined cyclic corrosion testers, haze meters, gloss meters, color/spectro colour meters, and accessories such as radiometers and black-standard thermometers. The instruments are used by automotive OEMs, materials/coatings manufacturers, textile and electronics producers, and independent testing laboratories for material durability, photodegradation, and color-quality control.

Product overview

Suga Test Instruments Co., Ltd. is a specialized manufacturer of environmental testing and measurement instruments, founded in 1920 in Japan. The company produces four main product categories: (1) Weathering/Accelerated Weathering Test Instruments including xenon arc weather meters (GX90, GX75, SX75, NX90), LED fade meters (LR-1, LF-Z), fluorescent UV weather meters (FUV), and sunshine carbon arc meters; (2) Corrosion Test Instruments including combined cyclic corrosion test instruments (CYP-100, CCT-1LM), salt spray/CASS test instruments (STP-100, CAP-100), gas test instruments (GT-100), mistomizers (TM-1/TM-2), and gravel chipping test instruments; (3) Optical Measurement Instruments including haze meters (HZ-V4), gloss meters (UGV-7, GC-1), image clarity meters (ICM-2), colour meters (SC-TSC-T45, CC-iS, CC-iW, CC-m), and transmittance/reflectance meters; and (4) Environmental Test Instruments including rain test instruments, dust test instruments, fogging testers, and abrasion testers. These products serve quality control and R&D applications across automotive, plastics, coatings, textiles, electronics, and other materials testing industries worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Super Xenon Weather Meter SX75
• Xenon Weather Meter GX90
• Xenon Weather Meter GX75
• Xenon Weather Meter NX90
• Fluorescent Weather Meter FUV
• LED Fade Meter LF-Z
• LED Fade Meter LR-1
• Combined Cyclic Corrosion Test Instrument CYP-100 / CYP-100R
• Combined Cyclic Corrosion Test Instrument CCT-1LM
• Salt Spray / CASS Test Instrument STP-100 / CAP-100
• Salt Spray Test Instrument STP-30
• Gas Test Instrument GT-100
• Ozone Weather Meter OMS-HNZ
• Mistomizer TM-1 / TM-2
• Rain Test Instrument RA-Z / RA-2Z
• Dust Test Instrument DT-Z / DT-W
• Gravel Chipping Test Instrument JA400LA / JA400 / JA400LB
• Fogging Tester WF-3
• Fogging Tester WF-1 / WF-2
• Abrasion Tester NUS-ISO3CE
• Rubbing Tester FR-G
• Haze Meter HZ-V4
• Gloss Meter UGV-7
• Gloss Meter GC-1
• Image Clarity Meter ICM-2
• Colour Meter SC-TSC-T45
• Spectro Colour Meter CC-iS
• Spectro Whiteness Colour Meter CC-iW
• Portable Spectro Colour Meter CC-m / CC-m45
• Visible Light Transmittance/Reflectance Meter HA-TRCE / HA-TCE
• Xenon Lamp Unit XENO-ONE
• Radiometer RX34CE / RX340CE
• Black Standard Thermometer BST-D2CE
• JCSS and ISO/IEC 17025 Calibration Services

Quantifiable outcome

• Super Xenon Weather Meter lamp life: 3,000 hours (world's No.1 long-life xenon arc lamp)
• +4 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core.

• Suga Room at CIDETEQ by ShinyeicoreStrategic or Co-development Partner · 1 January 2017Suga testing facility established at CIDETEQ (Centro de Investigación y Desarrollo Tecnológico del Estado de Querétaro) in collaboration with Shinyei, providing weathering and corrosion testing services for Mexican and Central American manufacturers.
• SUGA Open Lab at AGFAcoreStrategic or Co-development Partner · 1 January 2012Co-established open laboratory facility at AGFA in Belgium (2012) to provide local weathering testing services for European customers. Enables direct demonstration and commissioned testing for European manufacturers without requiring instruments to be shipped to Japan.
• Denkei Trading (Shanghai) Co., Ltd.coreChannel Partner/ Reseller/ Distributor · 1 January 2011Primary distributor and co-exhibitor for Suga products in China. Joint exhibition participation at CHINACOAT and other Chinese trade shows. Provides sales, installation, and service support for Chinese customers.
• 公益財団法人スガウェザリング技術振興財団 (Suga Weathering Technology Foundation)coreStrategic or Co-development Partner · 1 January 2011Public interest foundation established in 1981 to promote weathering technology research, train researchers, award outstanding contributions, fund research grants, and organize the annual SUGA Weathering Academic Seminars in Tokyo and Osaka.

Scale indicators4 records

Recent moves12 records

Expansion highlights5 records

Others

• Polymer Laboratories / EnviroChemie: Adjacent testing-services player offering corrosion and weathering evaluation services that use instruments from Suga and its competitors. It is comparable as a downstream customer and reference customer within the Suga installed base, illustrating how Suga's OEM relationships extend into commercial testing service providers.

Broad incumbents

• X-Rite (Danaher): X-Rite is a broad incumbent in color and appearance measurement, offering spectrophotometers and colorimeters that overlap with Suga's CC-iS, CC-m, and CC-iW spectrocolorimeters. It operates at much greater scale across printing, packaging, textiles, and coatings, competing especially in the same automotive and consumer electronics color QA workflows.
• Konica Minolta Sensing: Konica Minolta Sensing offers spectrophotometers, colorimeters, and gloss/haze meters that overlap with Suga's optical measurement portfolio (SC-TSC-T45, HZ-V4, UGV-7). It is a much larger Japanese player serving the same automotive coatings, display, and materials QA customers with broader global sales coverage.

Direct peers

• Presto Group: Presto manufactures accelerated weathering, salt spray, and environmental test chambers serving the same plastics, packaging, automotive, and coatings customer base as Suga. Both compete primarily on standards compliance (ISO, ASTM, JASO) and lab-throughput features in price-sensitive emerging markets.
• Atlas Material Testing Solutions (Ametek): Atlas is the closest direct competitor, offering Xenon Arc (Ci-Series), Fluorescent UV (UVTest), and salt spray/corrosion chambers serving the same automotive, coatings, plastics, and textiles weathering and corrosion testing customers as Suga. Both compete for OEM standard specifications (e.g., Renault, VW, Toyota) and share the same ISO/IEC standards-driven procurement motion.
• Q-Lab Corporation: Q-Lab manufactures Q-Sun Xenon Arc testers, QUV Fluorescent UV testers, and Q-Fog salt spray corrosion chambers, directly overlapping with Suga's weathering and corrosion product lines. It serves identical customer segments (automotive, paints/coatings, plastics, textiles) with comparable pricing and GTM motion through global distributors and standards-body participation.
• BYK-Gardner (ALTANA): BYK-Gardner is a direct competitor in optical measurement instruments (haze, gloss, color, image clarity) corresponding to Suga's HZ-V4, UGV-7, ICM-2, and SC-TSC-T45 lines. Both sell to automotive, coatings, and plastics QA/QC labs, with overlapping reliance on ASTM and ISO optical measurement standards.
• Ascott Analytical Equipment: Ascott is a UK-based specialist in salt spray and cyclic corrosion test chambers competing with Suga's STP-100, CAP-100, and CYP-100 product families. Both target the same automotive OEM and coatings testing laboratories, with comparable ISO 9227 and JASO M 609 standard-compliance positioning.

Emerging players

• CMT (Coating Measurement & Testing): CMT specializes in weathering and corrosion test instruments serving plastics, coatings, and automotive markets, with significant overlap with Suga's weathering and salt spray product families. It is smaller and more regionally focused but competes on similar ISO/ASTM standards-compliance positioning.

Regional players

• Thermotron Industries: Thermotron manufactures environmental test chambers (temperature, humidity, shock, vibration) that complement rather than directly overlap with Suga's weathering/corrosion portfolio, but both sell into the same automotive and electronics QA laboratories. Most relevant where Suga's rain, dust, and ozone chambers compete with Thermotron's broader environmental chamber offering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/sugatest
• LinkedInlinkedin.com/company/suga-test-instruments-co-ltd-

Compliance5 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 Suga Test Instruments