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 / Contact Displacement Sensors
Sensor Makers / List of Sensor Manufacturers
Manufacturers of Contact Displacement Sensors
A contact displacement sensor measures displacement or height from the movement of a probe placed against the target. Types include digital gauge sensors and differential transformers (LVDTs).
- Companies listed
- 56 companies (Japan and overseas)
- How it works
- Official Handbook, Lesson 32
- Relation to the exam
- Covered by the Practical Sensor Certification exam
Japan10 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| N・リベックス株式会社 | Japan | コンタクトリニアパルスコーダ | — |
| オムロン株式会社 | Japan | ZX-T | — |
| 株式会社キーエンス | Japan | GT2、GT、AT2 | Digital gauge sensor / LVDT (differential transformer) |
| パナソニック インダストリー株式会社 | Japan | HG-S | Digital gauge sensor |
| 株式会社マグネスケール | Japan | DT | Digital gauge sensor |
| 株式会社ミツトヨ | Japan | リニヤゲージ、ライトマチック | Digital gauge sensor |
| 株式会社小野測器 | Japan | GS、DG-4320 | Digital gauge sensor |
| 新光電機株式会社 | Japan | DL1、LT1、LT1-SP、LT2 | LVDT (differential transformer) |
| 新川電機株式会社 | Japan | LS、LF | LVDT (differential transformer) |
| 株式会社東京精密（ACCRETECH） | Japan | パルコム、空気・電気マイクロメータ | LVDT (differential transformer) |
Asia9 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| Baker Gauges India Pvt. Ltd. | India | Electronic Probe 2900 | LVDT (differential transformer) |
| Chengdu Tool Research Institute Co., Ltd.（成都工具研究所有限公司） | China | ZD1200、ZD1200A、ZD2200、ZD2200A | — |
| DADISICK Technology（东莞大地电子） | China | DK-GFJ、DK-GFK、DK-GFW | Digital gauge sensor |
| Guangdong Boyi Jingke Sensor Co., Ltd.（广东博亿精科传感有限公司）（BOJKE） | China | TS12、TS-089 | Digital gauge sensor |
| Sanmenxia Zhongyuan Measuring Instrument Co., Ltd.（三门峡中原量仪股份有限公司） | China | 変位センサ、DGS-6C、DZL-1F | LVDT (differential transformer) |
| Shanghai Lanbao Sensing Technology（上海兰宝传感科技） | China | LWR-VM、LVR-SVM10 | Digital gauge sensor / LVDT (differential transformer) |
| Shenzhen Senther Technology Development Co., Ltd.（深圳市森瑟科技发展有限公司） | China | L1001、L2001、L3001、L7001、L9001 | LVDT (differential transformer) |
| Shenzhen Soway Technology Development Co., Ltd.（深圳市信为科技发展有限公司） | China | SDVH20、SDVH8B、SDVN08-4、SDVG20 | LVDT (differential transformer) |
| Taiwan Mitingen Co., Ltd.（台灣米庭恩有限公司） | Taiwan | MTG19 | LVDT (differential transformer) |
Europe25 companies
The Americas12 companies
| Company | Headquarters | Product verified | Method |
|---|---|---|---|
| Brunswick Instrument, LLC | United States | LVDTゲージプローブ、デジタルリニアゲージ、ゲージアンプ、Metrology Processor | Digital gauge sensor / LVDT (differential transformer) |
| Cooper Instruments & Systems | United States | LVDT | LVDT (differential transformer) |
| DwyerOmega | United States | LD320、LD620、LD630、LD600A、LDI-G19 | LVDT (differential transformer) |
| Edmunds Gages | United States | LVDT Gage Probes、ACCU-TOUCH、EPIC CAG、Trendsetter II、Accusetter II | LVDT (differential transformer) |
| H. G. Schaevitz LLC（Alliance Sensors Group） | United States | DGP、LAS-19-A、LAS-19-R、SC-200 | LVDT (differential transformer) |
| Honeywell International Inc. | United States | LVDT | LVDT (differential transformer) |
| NewTek Sensor Solutions | United States | GA-750、GAR-750、NTC-6000 | LVDT (differential transformer) |
| P3 America, Inc. | United States | ISDT、IGAT、IMAT、IKAT、ISAT | LVDT (differential transformer) |
| Sentech, Inc. | United States | 75 Series、813 Series、75DC Series、81STDC Series、42DC Series | LVDT (differential transformer) |
| Stellar Technology | United States | Precision Gaging LVDT、Long Stroke LVDT | LVDT (differential transformer) |
| The L.S. Starrett Company | United States | 715-7、715-8、715-9 | LVDT (differential transformer) |
| TRANS-TEK, Inc. | United States | Series 310-320、Series 330、Series 350 | LVDT (differential transformer) |
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.