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  6. Rotary encoder, magnetic type, completely isolated, non-contact.

Rotary encoder, magnetic type, completely isolated, non-contact.

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MRE-5049 Rotation Angle Detection Sensor Makome Research Institute

last updated:Sep 17, 2025

マコメ研究所   (MACOME) 本社・伊那工場
マコメ研究所 (MACOME) 本社・伊那工場
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Magnetic type, complete separation, non-contact (up to 10 mm) for detecting rotation angle! Rotary encoder.

This product was born from our company's linear encoder detection technology. It detects the magnetic field of the N and S poles and outputs the rotational movement as pulses. Using a two-pole magnet, it achieves a detection distance (the gap between the sensor and the magnetic body) of 8mm ± 2mm. It allows for eccentricity within Φ1mm (±0.5mm). Due to the lack of mechanical connections, it is resistant to vibration and shock, making it suitable for use in rotating parts of robotic arms and construction machinery without coupling. Additionally, due to the absence of resistance, it can also be applied to tension control for films and paper. Please consult us regarding the shape of the magnetic body and the number of pulses per rotation. Sister product: Rotary potentiometer We also have the MRP-5026 with a voltage output of 1-5V and a current output of 4-20mA. *Linear sensor, linear rotary sensor We have evaluation samples available, so please feel free to contact us.

    Sensors
スクリーンショット

Rotary encoder, magnetic type, completely isolated, non-contact.

スクリーンショット 2024-06-18 130629.png
スクリーンショット 2024-06-18 130629.png
  • Related Link - https://www.macome.co.jp/products/mre_mrp/index.ht…
  • Special site - Product/service details - https://pr.mono.ipros.com/macome/product/

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basic information

Model Number MRE-5049 Power Supply Voltage DC +12V ~ +26V Current Consumption 30mA or less Output Type Transistor method A phase, B phase, Z phase R5: N-channel MOSFET open drain R7: P-channel MOSFET open drain Capacity Applied Voltage: DC +30V or less R5: Sink Current: 100mA or less (Residual Voltage: 1V or less) R7: Sink Current: 100mA or less (Power Supply Voltage: -1V or less) Effective Angle 360° Resolution W250: 250 pulses/revolution (after 4 times multiplication 1000 counts/revolution) W500: 500 pulses/revolution (after 4 times multiplication 2000 counts/revolution) W1250: 1250 pulses/revolution (after 4 times multiplication 5000 counts/revolution) Sampling Period W250: 500μsec W500: 1msec W1250: 1.5msec Maximum Rotational Speed W250: 19800rpm W500: 9900rpm W1250: 3600rpm

Price information

Price range

P2

Delivery Time

P4

Applications/Examples of results

Backhoe Robot arm Throttle Theme park attraction

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MRE MRP flyer rotary encoder rotary potentiometer

MRE MRP flyer rotary encoder rotary potentiometer

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Delivery Exhibition: Makome Laboratory

Delivery Exhibition: Makome Laboratory

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Company Profile [Makome Laboratory] A4 Version

Company Profile [Makome Laboratory] A4 Version

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Product Introduction Makome Research Institute Digest Edition

Product Introduction Makome Research Institute Digest Edition

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CAD data(2)

Model number overview File
MRE-5049 Rotary encoder
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MRE-5049 Rotary encoder
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News about this product(2)

Delivery Exhibition (Traveling Exhibition) We will hold a "delivery exhibition" at your company's space! Magnetic sensor manufacturer, Makome Laboratory.

  • Seminar・Event

Our company is a sensor manufacturer specializing in magnetic applications. 【Do you have any of these thoughts?】 - We can't send all employees to the exhibition. - We went to the exhibition, but couldn't take our time to look around. - We want to share products with all employees because they seem useful! To respond to such voices, we will hold a "Mobile Exhibition." 【Could unexpected suggestions for improvement come from other departments?】 【What is a Mobile Exhibition?】 We will hold a mini-exhibition in your company's meeting rooms, cafeterias, hallways, or other spaces. A space with one or two long tables is sufficient. The duration can be discussed, ranging from half a day to several days. It can be held during lunch breaks or after working hours (please also inquire about weekend events). If you specify the products you wish to see in advance, we will definitely display them. As a company that values sincere engagement with our customers, we have created an opportunity for you to have a relaxed conversation with us. If you have any concerns regarding sensing, please feel free to consult us. ● Please also feel free to reach out for private exhibitions hosted by trading companies. *There are no costs involved, but we ask that you provide the space and an AC 100V power supply.

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New Release: Magnetic Type Completely Isolated Non-Contact Rotary Potentiometer & Rotary Encoder [Makome Research Institute]

  • Product news

We have commercialized a rotary potentiometer and encoder that apply our company's linear encoder detection technology. It detects the magnetic field of the N and S poles and outputs the rotational movement as pulses or analog signals. By using a two-pole magnet, we have achieved a detection distance (the gap between the sensor and the magnetic body) of 8mm ± 2mm. It allows for eccentricity within Φ1mm (±0.5mm). Due to the lack of mechanical connection, it is resistant to vibration and shock, making it suitable for use in rotating parts of robotic arms and construction machinery without coupling. Additionally, due to the absence of friction resistance, it can also be applied to tension control for films and paper. We have evaluation samples available, so please feel free to contact us. *Please note that due to limited quantities, there may be times when it takes longer to lend them out.

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Companynews list (14)

Company information

マコメ研究所

マコメ研究所 (MACOME) 本社・伊那工場

Industrial Electrical Equipment

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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.

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