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  6. [Forklift Safety Measures] Operator Proximity Detection System "W Alert"

[Forklift Safety Measures] Operator Proximity Detection System "W Alert"

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Yoshikawa Amulet

last updated:Sep 18, 2025

吉川工業 ICTソリューション事業部
吉川工業 ICTソリューション事業部
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A warning system that alerts with sound and vibration when a forklift approaches a person.

News---------------------------------------------- From March 29, 2024 (Friday)~ We have launched a dedicated product site for W Alert https://w-alert.net/ -----------------------------------------Yoshikawa Industrial Co., Ltd. ICT ~Now accepting reservations for demo units~ The "W Alert" worker proximity detection system uses magnetic field and radio wave technology to alert when a "tagged person" and a "vehicle equipped with a detector" come close, reducing the risk of contact accidents. 【Features】  ■360° detection with magnetic field sensors  ■Detection distance can be set with a switch dial  ■Standard two-stage alarm function (Yellow Zone, Red Zone)  ■Uses specific low-power radio stations for stable detection distance  ■Proven track record in the construction industry *For more details, please refer to the catalog. *We are available for product explanations online and to accompany demos.  Please feel free to contact us.

    Safety Sensors
Wアラート(壁に隠れた人検知).png

[Forklift Safety Measures] Operator Proximity Detection System "W Alert"

Wアラート(壁に隠れた人検知).png
Wアラート(壁に隠れた人検知).png Wアラート(360度検知).png Wアラート(危険エリアに接近警報).png Wアラート(重機同士の接近検知).png
  • W Alert Product Site
  • Special site - Product/service details - https://pr.mono.ipros.com/ykc/product/

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basic information

【Lineup】 <Detector> ■ Maximum detection distance: 2 types ・8m type / 12m type ■ Power supply: 2 types ・DC12/24V (engine vehicles) / DC48V (battery vehicles) ■ Dustproof and waterproof specification: Equivalent to IP65 <Tag> ■ Standard tag ■ Tag with alarm function ■ Slim tag with alarm function ■ Vehicle tag *For details, please refer to the catalog. *We offer product explanations and demo attendance online. Please feel free to contact us.

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Applications/Examples of results

【Purpose】 ■Safety measures for forklifts ■Cautions when using other heavy machinery *For more details, please refer to the PDF document or feel free to contact us.

Detailed information

  • 作業者接近検知システム画像.png

    Technical Introduction Detection is performed using methods that utilize radio waves and magnetic fields. By using this method, it is possible to detect people hiding behind obstacles.

Line up(5)

Model number overview
YS-K-T008A This is the smallest in the series 【standard tag】. (No alarm function for the tag) It will sound an alarm from the speaker of the detector.
YS-K-T003A This is a 【tag with alarm function】 that notifies the operator of the approach of heavy machinery through sound and vibration.
YS-K-T010A This is a 【thin tag with alarm function】 that sounds an alarm for the approach of heavy machinery near the ear. It can be attached to a helmet and alerts danger with a buzzer sound.
YS-K-V001A This is a 【tag checker】 that checks the battery level and operation of the tag.
YS-K-V028A This is a 【non-detection area setting device】 that prevents the tag from reacting in the driver's seat.

catalog(5)

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Alarm for the approach of heavy machinery and people! "Worker Proximity Detection System"

Alarm for the approach of heavy machinery and people! "Worker Proximity Detection System"

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~Registered with NETIS~ Worker Proximity Detection System for Construction Machinery

~Registered with NETIS~ Worker Proximity Detection System for Construction Machinery

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"Optional Equipment Catalog" Worker Proximity Detection System

"Optional Equipment Catalog" Worker Proximity Detection System

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Please refer to the 【Product Guidebook】 for the worker proximity detection system when considering implementation.

Please refer to the 【Product Guidebook】 for the worker proximity detection system when considering implementation.

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Comprehensive ICT Solutions Catalog

Comprehensive ICT Solutions Catalog

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Company information

吉川工業

吉川工業 ICTソリューション事業部

Electronic Components and Semiconductors

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Starting with operations at the steelworks, Yoshikawa Industries has reached its 100th anniversary. We continue to take on challenges that break away from existing frameworks. As a challenge outside the steel industry, we established a dedicated manufacturer, Yoshikawa Industries RF Semiconductor Co., Ltd. (1999), and provide a total solution from chip design to tag manufacturing and system integration. Leveraging our 100 years of on-site know-how and expertise in RFID, we will engage with your site through "ICT × Safety × RFID." If you have any issues at your site, please feel free to contact us.

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