# D520

> D520 (iPhone/iPad app by SYSCODE INTERNATIONAL INC..)

- Source: https://appshunter.io/ios/app/d520/id1485830042 (this page in markdown: same URL + `.md`)
- Developer: [SYSCODE INTERNATIONAL INC.](https://appshunter.io/developer/1056483582)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 8 MB
- Languages: English, Chinese
- Released: 2019-11-12
- Data updated: 2026-06-07
- User reviews in markdown: https://appshunter.io/ios/app/d520/id1485830042/reviews.md

## What is D520?

起重機荷重保護
產品特性:
● 顯示型荷重超載限制器可對起重設備進行顯示和警報，當起吊物品時，傳感器產生變形，顯示型荷重超載限制器可以指
   示出載荷的數值。
● 高亮度紅色LED顯示螢幕
● 重量過載異常時，蜂鳴器會發出警示音提醒操作人員，增強安全性。
● 當重量超過額定負重時，超載控制器會自動切斷起升機構的動力源，避免事故發生


## Version history (last 5 releases)

### 1.4 — 2020-12-31

修正版面疊壓。

### 1.3 — 2020-07-21

調整版面使其有更明確的操作。

### 1.2 — 2020-04-14

修正錯誤

### 1.1 — 2019-11-22

修正錯誤

### 1.0 — 2019-11-12

No release notes.

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## More apps by SYSCODE INTERNATIONAL INC.

- [Hourly Chime](https://appshunter.io/ios/app/hourly-chime/id1056483583)
- [Good Chime](https://appshunter.io/ios/app/good-chime/id1061824308)
- [QuickBLE](https://appshunter.io/ios/app/quickble/id1153524548)
- [QuickBLE RM](https://appshunter.io/ios/app/quickble-rm/id1303498904)
- [QuickBLE II](https://appshunter.io/ios/app/quickble-ii/id1485185146)

All apps by SYSCODE INTERNATIONAL INC.: https://appshunter.io/developer/1056483582

## Related topics

[d520](https://appshunter.io/ios/topics/d520)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-07.*