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  6. Reduce near misses in heavy machinery operations!

Reduce near misses in heavy machinery operations!

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Worker proximity detection system for the construction industry "W Alert"

last updated:Sep 18, 2025

吉川工業
吉川工業
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For civil engineering, construction, and road work! Easy installation on heavy machinery! High-precision detection in all directions 360°! Safety measures for construction sites: Worker proximity detection system "W Alert".

News---------------------------------------------- From March 29, 2024 (Friday)~ We have launched a dedicated product site for W Alert ----------------------------------------- Yoshikawa Industrial Co., Ltd. ICT NETIS Registration No. QS-150004-VE ★ A trusted safety product with over 8,000 units installed This system provides warnings to both drivers and workers, reducing "near misses" at construction sites. 【Features】 1. Capable of stable detection in all directions (360°), even for workers who are not visually detectable. 2. Can be finely adjusted according to the site conditions and the size of heavy machinery, with detection ranges set in six levels from 3 to 12 meters. 3. Two-stage alarms ("outer" and "inner") are possible depending on the detection distance (★ Our patented technology). 4. Detects people hidden in dark sites such as tunnels, or behind shadows and obstacles like materials. 5. Suitable for outdoor use. Dustproof and waterproof specifications, operational temperature range from -20°C to 75°C. 6. We handle everything from design to development and manufacturing in-house. We can also flexibly accommodate custom requests.

    Safety switch
ものかげに.png

Reduce near misses in heavy machinery operations!

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ものかげに.png 図2.png 図3.png Wアラートアイコン.png
  • W Alert Dedicated Product Site
  • Special site - Product/service details - https://pr.mono.ipros.com/ykc/product/

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【System Features】 (1) Waterproof and dustproof specifications suitable for outdoor use (2) Alerts workers to dangers (3) Notifies danger levels in two stages according to distance (4) A wide range of optional products available *New product "IoT Device Box" scheduled for release Data from the site can be digitized and utilized to improve safety and productivity! It is possible to acquire "proximity information, driver information, vehicle operation and location information," etc.! *Changes may occur depending on the installation environment and surrounding conditions Please feel free to contact us for more details.

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【Safety Measures】 Alarm for the proximity of heavy machinery and workers at various construction sites! 【Applicable Machinery】 Hydraulic excavators, mini excavators, backhoes, wheel loaders, large dump trucks, pile drivers, forklifts, etc. 【Applicable Sites】 Tunnel excavation work, road paving work, demolition work, ground improvement work, etc.

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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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W Alert Column Page Launch

[Work Vehicle Proximity Detection System W Alert] Full of safety measures tips! Announcement of new column page release.

  • Company news

We have newly established a "Column Page" on the W Alert brand site that provides information useful for on-site safety management and labor management. We will clearly explain the latest know-how for legal compliance and accident prevention from a professional perspective. On this site, we will deliver practical know-how and case studies every month that are useful in a wide range of fields, including construction, transportation, and distribution industries, as well as various equipment such as heavy machinery, forklifts, AGVs, AGFs, and AMRs. We aim to support the establishment of your safety culture and improve operational efficiency. Please make use of this to strengthen your company's safety management system. December Column Releases: - Achieving "Zero Work Accidents" with a Safety Management System that Public Institutions Approve! Strengthening Measures That Construction and Transportation Industries Should Implement Immediately - Preventive Measures for Near-Miss Incidents and Strengthening Safety Management in Year-End Warehousing In the coming months, we will continue to release information that can be "immediately utilized" on practical initiatives to achieve zero work accidents, safety measures for heavy machinery and forklifts, and how to utilize the latest detection systems. Please look forward to it!

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吉川工業

吉川工業

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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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