The exam is planned to be offered in English, Traditional Chinese and Portuguese from February 2027. The Official Handbook (Basic Level) is now available on Amazon in English, Portuguese and Traditional Chinese (e-book); the Advanced Level is planned in Japanese for mid-December 2026.
Home / List of Sensor Manufacturers / Outer Diameter Gauges
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Manufacturers of Outer Diameter Gauges
An outer diameter gauge measures the outer diameter of wires, shafts, pipes and similar items. Besides through-beam types, which shine light and measure the width of the shadow, there are contact, pneumatic, image-based and other types. This list covers products built into production lines and equipment.
- Companies listed
- 65 companies (Japan and overseas)
- How it works
- Official Handbook, Lesson 30
- Relation to the exam
- Covered by the Practical Sensor Certification exam
Japan18 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| 株式会社CKO | Japan | 油圧ピストン外径測定器 | — |
| 株式会社KJTD | Japan | HSC308 | — |
| SKS株式会社（ACQUEST） | Japan | CAG、DAG、MD | Pneumatic / Contact |
| 株式会社アドテックエンジニアリング | Japan | ワーク全数検査装置 | — |
| オヂヤセイキ株式会社 | Japan | ad-LF、AIR GIRL II | Pneumatic / Contact |
| オムロン株式会社 | Japan | ZX-GT | Through-beam (camera) |
| 株式会社キーエンス | Japan | LS-9000 | Through-beam (camera) / Image-based |
| タキカワエンジニアリング（株式会社タキカワビジョン） | Japan | LDM、LOD | Through-beam |
| ダイセイ株式会社 | Japan | 自動計測システム | Contact |
| パナソニック インダストリー株式会社 | Japan | HG-T | Through-beam |
| 株式会社ミツトヨ | Japan | LSM | Through-beam (laser scan) / Roundness / form |
| 株式会社ヤスオカ | Japan | 走間厚み幅測定器 | — |
| 株式会社ロゴス | Japan | 外径・曲がり・厚み測定装置 | Contact / Image-based |
| 日鉄テックスエンジ株式会社 | Japan | 回転式棒線寸法測定装置 | Through-beam (camera) |
| 株式会社旭工業所 | Japan | ASQA-OD | Contact |
| 東京光電子工業株式会社 | Japan | LMG7、LMG-XY | Through-beam |
| 株式会社松浦鉄工所 | Japan | フレキシブル外径測定ヘッド、レーザー式外径測定器 | Through-beam / Contact |
| 株式会社第一測範製作所 | Japan | 自動測定機 | Contact / Pneumatic / Image-based |
Asia12 companies
Europe20 companies
The Americas15 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| Balance Technology Inc. | United States | Dimensional Gages | Contact |
| Control Gaging Inc. | United States | ID/OD Grinder Gages | Contact |
| Glebar Company | United States | P4K Gauging System | Through-beam |
| LaserLinc, Inc. | United States | Triton、Axion | Through-beam |
| LMI Corporation | United States | AutoGage | Contact |
| Lumetrics, Inc. | United States | Scanning Tubing Measurement System | — |
| Metralight Inc. | United States | microXY | Through-beam |
| NDC Technologies（Beta LaserMike） | United States | AccuScan | Through-beam |
| Novacam Technologies | Canada | TUBEINSPECT | — |
| OG Technologies, Inc. | United States | PPS | — |
| Proton Products | United States | InteliSENS | Through-beam |
| Raven Engineering, Inc. | United States | Gauging & Measurement Systems | Contact |
| Taymer International | Canada | LN3800 | Through-beam (camera) |
| Tecnar | Canada | Lut 3.0 | Ultrasonic |
| Verimation Technology, Inc. | United States | Automatic Crankshaft Gauge | Contact / Roundness / form |
Listing criteria
- Candidates are gathered widely, in Japan and overseas, from publicly available information such as trade show exhibitor information, information published by industry associations and product information websites. Of these, we list only manufacturers whose relevant products we were able to confirm on their official websites (trading companies and distributors are excluded).
- This list does not cover all manufacturers. To request a listing or a correction, please use the listing request and correction form.
- Within each region, companies are listed in no particular order; the order does not indicate any evaluation or recommendation.
- The list covers products built into production lines and equipment; it does not include dedicated measuring machines used in measurement rooms and the like, or hand-held measuring tools.
- Information checked on: October 14, 2026
- Company names and product names listed are trademarks or registered trademarks of the respective companies.