Linear displacement sensor (sleeve sensor) non-contact
" Sleeve Sensor ET Series" Length Measurement Sensor: Makome Research Institute
Outputs relative position with DC voltage, boasting robustness and high durability, absolute type custom shape for detecting suspension stroke of racing bikes.
The detection body consists of two components: the "sleeve" and the "probe" of the detection part. A high-frequency magnetic field is generated on the probe side, creating electromagnetic induction coupling between the sleeve and the probe. When the sleeve displaces relative to the probe, changes occur in the electromagnetic induction coupling, which are converted into voltage and output (the relative position of the sleeve and probe is output as a displacement amount in a voltage range of 1-5V). Since the sleeve and probe have a completely non-contact structure, there is no deformation or failure due to friction. 【Main Features】 ■ Two models available: the integrated detector 'ET-850' and the separated type 'ET-851A' ■ The probe is made of stainless steel, ensuring both robustness and durability ■ The protective structure complies with IP-67, providing high dust and water resistance ■ Power supply voltage DC10-30V ■ No need for origin return after a power outage *For more details, please download the catalog or contact us.
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basic information
The "sleeve" (metal tube) and "probe" (rod-shaped detection coil) are non-contact, which significantly reduces the impact of dirt and vibrations on measurements. Additionally, there is no deformation or failure due to wear, and installation can be done easily. ○ ET-850 is a standard sensor that combines a probe with a built-in coil and a detector with a circuit. ○ ET-851A has a probe with a built-in coil that is exposed to heat and pressure, but the detector is separate, so the circuit is not affected by this heat and pressure. *For more details, please download the catalog or contact us.
Price information
Please contact us.
Delivery Time
P4
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Applications/Examples of results
Detection of stroke for race (bike and 4-wheeled) vehicle suspension Detection of stroke for injection molding machines Detection of weight for elevator cabins
Line up（2）
| Model number | overview |
|---|---|
| ET-850 | Detector integrated type |
| ET-851A | Detector separation type |
catalog（4）
Download All Catalogs
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CAD data（18）
| Model number | overview | File |
|---|---|---|
| ET-850-L200 | ET-850-L200 Effective length 200 mm type Please contact us if you need a different length. |
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| ET-850-L200 | ET-850-L200 Effective length 200 mm type Please contact us if you need a different length. |
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| ET-851B-L015 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L015 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L030 | The ET-851B has CAD drawings prepared according to effective lengths, so please check them before use. |
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| ET-851B-L030 | The ET-851B has CAD drawings prepared according to effective lengths, so please check them before use. |
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| ET-851B-L050 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L050 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L075 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L075 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L100 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L100 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L150 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ET-851B-L150 | The ET-851B has CAD drawings prepared for different effective lengths, so please check them before use. |
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| ETG-850-T1 | Probe Guide for ET-850 |
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| ETG-850-T1 | Probe Guide for ET-850 |
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| ETG-850-T2 | Sleeve guide for ET-850 |
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| ETG-850-T2 | Sleeve guide for ET-850 |
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Company information
Utilizing our original technology of saturable coils, we provide a fundamentally simple magnetic detection element technology that allows for high precision and long-term stability even under adverse conditions. We have received strong support from a wide range of industries, including unmanned transport carts, industrial equipment, labor-saving machines, material handling, machine tools, injection molding machines, civil engineering and construction robots, food machinery, industrial machinery, nuclear facilities, and ships. We also excel in sensors for motorsports such as F1 and Moto GP, tilt meters for construction machinery, and magnetic sensors used for ultra-high precision measurements in scientific fields. Some of our products are also used in applications like multi-story parking and golf cart guidance sensors. All of our products are developed and manufactured 100% in Japan, with over 80% of our product lineup being custom-made based on individual customer requests. We offer many custom options including waterproof, explosion-proof, heat-resistant, water-resistant, and radiation-resistant specifications. If you have any issues related to sensing or measurement, please feel free to consult with us. IoT Platform: Our sales and technical staff will fully support you, from minor customizations of existing products to proposals for new detection principles. You can also rely on us for assistance with Kaizen. For standard products, we offer a reassuring 3-year warranty. Our location is in Ina, Nagano Prefecture, and we are featured on Ipros Monozukuri.