スマート水圧監視システム

Overview

What is the Pressure Monitoring System?

IoT pressure loggers installed on the pipe network send pressure, flow, battery and link data to a collection server SR operates directly, letting you watch equipment health and network pressure on one screen.

There is no third-party cloud relay in the collection path. Devices connect directly to our server, which decodes their binary packets using our own specification. Because SR built every stage — registration, authentication, remote configuration and link monitoring — we can trace a field problem all the way down.

MQTT Direct device link

5min Link-loss watchdog cycle

2 Dedicated apps (Win · Android)

24,048 Shared elevation points

In the Field

This Is How It Is Actually Installed

Photographed on pressure-survey sites carried out by SR

A pressure logger connected to a fire hydrant outlet via adapter and pressure hose, mounted on a hydrant amid green undergrowth. — **Hydrant Installation** The logger attaches to the hydrant outlet through a dedicated adapter and pressure hose — no cutting into the main, no supply interruption, and it is recovered when the survey ends.

A pressure logger installed on a street-side hydrant set in paving blocks in an urban area. — **Urban Installation** The same method applies to street-side hydrants in built-up areas. Measurement points are placed with block boundaries and network topology in mind.

Actual Screens

Screens from the Running System

Not mock-ups — these are captured directly from the running system

Device detail screen showing link status, current pressure, battery, reception rate and automatic diagnostics — **Device Diagnostics** Link status, pressure, battery and reception rate at a glance — the system itself flags issues such as delayed reception, short observation windows or missing GPS.

Device location map showing online and offline units colour-coded on the map — **Device Map** Installed units appear on the map as online or offline. GPS-equipped units report their coordinates automatically on installation; others are placed manually.

Measurement history screen with period search, CSV export and a link-loss warning banner — **History & Export** Query pressure and flow records by period and export to CSV, several devices at once. Units that have stopped reporting are flagged right on the screen.

Core Features

Key System Features

In-house Collection Network

Devices connect straight to the SR collection server, which decodes their binary records against our own specification.

Direct MQTT link, no external relay
In-house binary packet decoding
Parallel HTTP ingest path

Self-registration & Token Auth

Field engineers register a device themselves using a registration key. Every subsequent upload is authenticated with a per-device token.

Hashed keys with expiry and use limits
Uploads without a token are rejected
Controlled per-device token reissue

Link-loss Watchdog

Every five minutes the system checks all devices and raises an alarm for any unit that has gone silent or is running low on battery.

Automatic no-signal and low-battery alarms
Collection server self-heals on failure
Per-device reception rate and gap analysis

Elevation-based Expected Pressure

The installation elevation is fetched automatically and combined with ground level and water level to compute expected static pressure for comparison with the measured value.

Shares elevation data with WaterNet
Unknown coordinates are fetched and cached
Residual-pressure ratio against expectation

Remote Configuration

Change sampling interval, transmit interval, battery-check interval, GPS use and sleep duration from the server — no site visit required.

Remote sampling/transmit interval control
GPS use and sleep duration settings
Applied changes are logged

Isolation Assessment Engine

An engine that judges isolation from the pressure drop across valve closure, the slope of the plateau, whether pressure recovers, and correlation with an outside reference point.

Drop magnitude and plateau analysis
Correlation check against outside reference
Preparing for field deployment

On these claims. Every feature described here is implemented and running in the current system. The isolation assessment engine is complete in algorithm and UI but is still being prepared for field deployment, and is labelled as such. We demonstrate the live system on request.

Security

Dedicated-application Access Policy

Water network data is not a public asset. We start by narrowing the way in.

Dedicated Applications

Desktop	Windows installer application
Mobile	Android application
Updates	Auto-check with enforced minimum version
Stay signed in	Dedicated apps only — blocked on shared PCs

Roles & Isolation

Roles	Super-admin / company admin / user
Data	Full per-company isolation across all views
Routing	Users are redirected away from admin screens
Passwords	Hashed, never stored in plain text

Collected Fields

Pressure	Representative, per-line and instantaneous
Flow	Instantaneous and totalised flow
Device	Battery voltage/level, RSSI, power mode
Location	GPS latitude, longitude, altitude

Integration

How It Connects to Our Other Systems

WaterNet Shares a common elevation reference. The pressure system reuses elevation data accumulated by WaterNet to compute expected static pressure. ● Live integration SR-Talk Field Radio Say “check pressure” over the radio and the current reading for the assigned device is posted straight into the channel as a card. ● Live integration Full Ecosystem Map One diagram showing what is actually connected — from field instruments to WaterNet, radio and groupware — and what is still planned. → View the map

Considering pressure monitoring?

SR handles the loggers, installation, collection server and operation. We will demonstrate on the live system.

Contact Us See WaterNet