# Water Quality Surveillance-PZF

> Water Quality Surveillance-PZF (iPhone/iPad app by DoubleVision Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/water-quality-surveillance-pzf/id1483756239 (this page in markdown: same URL + `.md`)
- Developer: [DoubleVision Technology Co., Ltd.](https://appshunter.io/developer/1146786618)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 38 MB
- Languages: English, Chinese, Chinese
- Released: 2019-10-16
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/water-quality-surveillance-pzf/id1483756239/reviews.md

## What is Water Quality Surveillance?

Aquaculture Monitoring System can help you to monitor kinds of water quality parameters at your pool's different locations at the same time.


●Long Distance Wireless
    -This product adopts LoRa wireless transmission technology which is reachable 1 Kilometer in a city, 15 kilometers in suburban area and moreover 25 kilometers with the antenna.

●Auto Alarm Function
    -When the devices is abnormal (e.g. outage, abnormal sensing, transmission interruption), the messages will show on app broadcast immediately.

●IoT Big Data Analysis
    -Providing statistical analysis of cloud data for following management reference.

●Auto Uploading Function
    -Built-in storage mechanism automatically saves the detection value and

●Instant Device Status Checking
    -Checking the current device status online, when an abnormality occurs, warning messages will be sent out, also you can check the abnormal descriptions of each detection point.

●Extended Control Item
    -Built-in temperature, pH, TDS/conductivity, ORP, salinity, DO, Four sets of 10A      relay contacts and support 4-20mA、 RS485 Port for external device(by customer design order, e.g. Optical DO,Water meter)


## Version history (last 5 releases)

### 1.0.5 — 2021-01-11

- Fixes bugs
- Optimize UI
- Modify the description of water level

### 1.0.4 — 2019-11-08

Fix bug

### 1.0.3 — 2019-10-31

- Bug fixed.

### 1.0.2 — 2019-10-26

- Bug fixed.

### 1.0.1 — 2019-10-16

No release notes.

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## More apps by DoubleVision Technology Co., Ltd.

- [DLIVE](https://appshunter.io/ios/app/dlive/id1417155966)
- [Aquaculture Monitoring System](https://appshunter.io/ios/app/aquaculture-monitoring-system/id1475890059)
- [智能無線通YCM](https://appshunter.io/ios/app/ycm/id1526123432)
- [XPW水質監控](https://appshunter.io/ios/app/xpw/id1530166483)
- [Otrol-CSC](https://appshunter.io/ios/app/otrol-csc/id1558995591)

All apps by DoubleVision Technology Co., Ltd.: https://appshunter.io/developer/1146786618

## Related topics

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

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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 2026-05-19.*