HWM PermaNET SU User manual

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User Guide: PermaNET SU Installation and Setup
(Using HWM IDT).
Warning: This manual contains important safety and operating information.
Please read, understand and follow the instructions in the manual
and also the safety / approvals document shipped with the device.
MAN-155-0001-D July 2022

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TABLE OF CONTENTS
1Introduction, Background and Support of Product........................................................5
1.1 Safety ..........................................................................................................................5
1.2 Background ................................................................................................................5
1.3 Operating Temperature ............................................................................................5
1.4 Logger - Unpacking ....................................................................................................5
1.5 Support of Product ....................................................................................................6
2Overview and preparation for use...................................................................................7
2.1 Logger - Device Overview..........................................................................................7
2.1.1 Measurement data types...................................................................................7
2.1.2 Battery / lifetime .................................................................................................7
2.1.3 Cellular communications and SIM-card............................................................7
2.1.4 Communications with the mobile phone (or similar device)..........................8
2.1.5 Logger operation - Repetitive functions ...........................................................8
2.2 System Overview........................................................................................................9
2.3 Mobile Phone (or similar device) ............................................................................10
2.3.1 Specification......................................................................................................10
2.3.2 Installing the HWM software (Android version) .............................................10
2.4 Loggers –Secure vs Insecure ..................................................................................11
2.5 DataGate...................................................................................................................11
2.5.1 DataGate –Giving the App access to use Loggers.........................................11
2.5.2 DataGate –Terminology and Summary .........................................................12
2.6 Logger Measurement Data –Destination and Use...............................................12
2.7 Ways to set the Logger Configuration....................................................................13
2.8 IDT –Test of logger within an installation..............................................................13
2.9 Overview of the deployment process ....................................................................13
3Antenna Options and Installation Guidelines...............................................................16
3.1 Antenna Options......................................................................................................16
3.1.1 Monopole ..........................................................................................................16
3.1.2 T-Bar ..................................................................................................................17
3.1.3 Button................................................................................................................18
3.1.4 Cone Antenna ...................................................................................................20
3.1.5 Magnetic Dipole Antenna ................................................................................21
3.2 Installation Guidelines.............................................................................................21

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3.3 Installation Process Decision Tree..........................................................................22
4Waking the Logger and Communications Link .............................................................23
5IDT app –Logging in and use .........................................................................................24
5.1 Use of IDT without Logging in.................................................................................24
5.2 Logging in and initial actions...................................................................................24
5.3 IDT app - Selecting a PermaNET SU........................................................................26
5.3.1 Automatic Selection using barcode scan........................................................26
5.3.2 Manual Selection using Bluetooth scan..........................................................27
5.4 IDT –Update Logger Firmware ...............................................................................28
5.5 IDT –Device Options –Configure, Test or Deploy.................................................28
5.6 IDT –Configure Device menu. ................................................................................29
5.6.1 IDT –Logger device - Device Information.......................................................29
5.6.2 IDT –Logger device - Call Settings...................................................................31
5.7 IDT –Test Device menu ...........................................................................................32
5.7.1 IDT –Logger device - Sensor Test (Audio Noise Level) ..................................32
6Positioning and Installing the Antenna .........................................................................33
6.1 IDT –Signal Test (mobile network signal strength - CSQ).....................................33
6.2 IDT –Call Test (logger to server) .............................................................................34
6.3 Troubleshooting a Call Test failure.........................................................................35
6.3.1 Possible Issues and Checks .............................................................................35
6.3.2 Antenna - Installation considerations.............................................................36
6.3.3 General Considerations ...................................................................................36
7IDT –Deploy Device.........................................................................................................38
8DataGate –Setup for use & Changes made by apps ...................................................39
8.1 DataGate –Example Structure for use...................................................................39
8.2 DataGate –Required User Role permissions ........................................................40
8.3 DataGate –Changes made by HWM apps.............................................................40
9DataGate –Remote programming of a Logger.............................................................45
9.1 Overview of operation.............................................................................................45
9.2 Automatic and Scheduled sound recordings ........................................................45
9.3 Alarms and Fault conditions ...................................................................................48
9.3.1 Channel alarms.................................................................................................48
9.3.2 System Alarms ..................................................................................................49
9.3.3 Pipe Leak detected ...........................................................................................49
9.3.4 Logger fails to call-in with data........................................................................49

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10 Removal of a logger from a site .................................................................................50
11 Service and Repair.......................................................................................................52
12 Troubleshooting ..........................................................................................................53
12.1 The User cannot log in.............................................................................................53
12.2 The IDT app does not list the logger ......................................................................53
12.3 The data from the logger does not appear on DataGate. ....................................53

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1INTRODUCTION,BACKGROUND AND SUPPORT OF PRODUCT
Thank you for choosing an HWM data device. We trust it will provide you with many
years of service. This user guide covers PermaNET SU models (SU/L/*/*).
1.1 SAFETY
Before continuing, carefully read and follow the information in the “Safety Warnings
and Approvals Information” document, supplied with the product.
Retain all documents for future reference.
1.2 BACKGROUND
Pipeline leaks are a constant burden to water industries, which can affect the efficiency
of the individual company’s performance. Leakage loss reduces the amount of fluid
actually being delivered, thus affecting the financial side of the business. The longer the
leak is left, the larger the economic, and potentially environmental, consequences. It is
therefore more beneficial and safer to detect a leak early and make repairs to the pipes
before significant damage to the business is caused.
At HWM, we pride ourselves in designing the best leak detection equipment at an
affordable price for the benefit of water and gas companies.
1.3 OPERATING TEMPERATURE
Refer to the PermaNET SU Datasheet or your sales representative for guidance on the
storage and operating temperature range of the device. Ensure the unit is within the
operating temperature range prior to installation.
1.4 LOGGER -UNPACKING
As you unpack your new logger, please confirm that you have the following parts:
•PermaNET SU data logger.
•Antenna (for direct attachment or cabled attachment).
•(Optional) Antenna extension cable.
IMPORTANT SAFETY WARNING:
This equipment uses a high strength magnet and should
not be carried by or be placed in the proximity of anyone with a
heart pacemaker.
The magnet can permanently corrupt magnetic storage media
such as floppy discs, hard discs and tapes etc… It can also
damage TV and PC monitor screens and some watches.

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•(Optional) Antenna mounting bracket / hook.
•(Optional) Magnet tool.
•Safety Warnings and Approvals Information.
If there are any omissions, please contact our sales team to rectify or supply the missing
parts. Please dispose of your waste packaging responsibly.
1.5 SUPPORT OF PRODUCT
This user-guide covers the PermaNET SU product family of leak detection equipment.
The device (which will be referred to as a “logger” throughout this manual) is used in
conjunction with a mobile-phone software application called “IDT”. IDT is used to assist
the user to test and deploy the loggers.
This user-guide provides a brief description of the PermaNET SU functionality. It also
covers the use of the IDT app. It includes the setup (registration) of the logger within
DataGate, as this can be a requirement for the IDT app to correctly function with the
loggers you own.
Note: The screen contents, icons and functionality may change from time to time,
due to ongoing development and improvements, so may appear different in
the version of the IDT you have installed. Screen resolution differences can also
cause changes. IDT can run on mobile phones and other devices with an Android
operating system, such as tablets. (An Apple iOS version is also being developed).
HWM also provides support of the product by means of a web-page:
https://www.hwmglobal.com/permanet-su-support/
Should you have any questions that are not covered by a manual, or Frequently Asked
Questions (FAQs) provided online, please contact the HWM Technical Support team on
[phone], or email cservic[email protected]

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2OVERVIEW AND PREPARATION FOR USE
2.1 LOGGER -DEVICE OVERVIEW
Note: The loggers have standard settings for operation programmed into
them prior to shipping from the factory, with some variations according to
customer requirements.
Your logger(s) may therefore differ slightly from the descriptions that follow.
The PermaNET SU product family are logger devices with an integrated Leak Noise
Sensor, built by HWM. They are of a waterproof construction, being designed to be
permanently installed around a water network, listening for leaking pipes. The devices
accomplish this by means of a specialised microphone that can detect the sounds
emitted from a leak. A micro-controller, built into the unit, measures the noise level
once per day and performs a statistical analysis to generate data for a “noise
histogram”. A leak-state judgement is made, along with two additional results called
“level” and “spread”. The results are saved in memory, for upload at a later time.
2.1.1 Measurement data types
The saved data could be in the form of:
•A “noise histogram”.
This provides a detailed indication of how consistent the noise measurement
is, and it can be used for more advanced analysis. Histograms can also help
to visualise the noise into patterns that can be identified as leaks.
•A Level / Spread indication.
These two figures are a numeric summary of the noise histogram.
The “Level”figure represents the sound level that occurs most often during
the sample period.
The “Spread”figure is how much the sound level varies during this time.
(A large consistent Level and small Spread is typical of a leak, whereas
a small Level and large Spread is typical of background noise within a pipe).
•A “leak / no leak” status.
This gives a simple indication of whether results indicate a probable leak.
•Sound recording files.
2.1.2 Battery / lifetime
The logger is powered by non-rechargeable Lithium batteries. The logger is designed to
minimise the battery use and thus increase the life expectancy of the unit (e.g. the
loggers become active when needed; most of the time they are in standby). The battery
life is also affected by user-programable settings.
2.1.3 Cellular communications and SIM-card
The PermaNET SU logger includes an interface to the cellular communications network,
which provides access to the internet. The data stored within the loggers can be sent

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automatically over internet using the mobile communications network. The normal
destination of the data is the HWM DataGate server.
Communication is 2-way between the logger and server, by means of a proprietary
protocol using UDP packets sent to the internet using the cellular communications
network.
A SIM card is fitted within the logger.
2.1.4 Communications with the mobile phone (or similar device)
The logger includes a Bluetooth-compatible interface, used for short-range
communication to other Bluetooth-compatible devices (e.g. a mobile phone). This
enables the user to communicate with the logger during installation and make on-site
tests.
2.1.5 Logger operation - Repetitive functions
The PermaNET SU is shipped from the factory in a minimally active state, to extend
battery life whilst in storage (e.g. no measurements are made or logged). This mode is
designed for periods of storage or shipping of the device, with the logger referred to as
being in “shipping mode”, or “sleeping”. Once activated (see section 4), the logger no
longer sleeps, but begins its repetitive daily tasks. Whenever possible it saves power by
putting circuits it does not currently need into “standby” (e.g. radio circuits).
The logger will become highly active at the time it is required to make measurements,
complete its leak evaluation and store the results as a set of data within its memory.
The logger will then go into standby until the next programmed event.
When it is time to upload the data over the mobile network, the logger switches on its
cellular radio circuits and sends its data. Once completed, it puts them back into
standby mode.
The logger occasionally checks if a user wishes to communicate with it; If so, it activates
its Bluetooth-compatible communications link. This link remains open for
communication for 2 minutes, waiting for instructions. If there is no interaction from the
user during this time, the logger puts the communications link back into standby. If the
user begins using the link, the logger completes any tasks the user gives to it, and keeps
the link open for 10 minutes after it was last used.
The logger’s primary task is a leak-sensing program, which runs once daily. The Leak-
state evaluation program takes place between 2-4am (although it can be changed).
Typically, it is made during a time of low water use to reduce the possibility of consumer
water use being incorrectly judged as a leak. During this time, if the logger determines a
change of leak-state, it carries out a secondary confirmation evaluation.
If the logger determines that a new leak is likely to be present near-by, it can (if so set)
automatically make a sound recording when the new leak is detected. The sound
recording is by default 10 seconds in duration.
Note: Making and transmitting sound recordings can use a lot of data and also drain
the battery significantly if too many are made. In order to preserve battery life

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and reduce data costs, the recording system is restricted to 7 recordings a
month. If you have a specific requirement for more than this limit, then please
contact HWM customer service for assistance.
2.2 SYSTEM OVERVIEW
The loggers form only a part of a functioning system. A typical system will comprise of:
•A set of PermaNET SU loggers.
These are set to evaluate the sounds within a pipe overnight, when water
use is minimal, to determine if a leak could be present nearby.
•A mobile device (with HWM software installed).
The mobile device provides a Graphical User Interface to the user, for access
to the loggers and on-line server.
•HWM application software (installed on the mobile device).
“IDT” software:
Used to put the logger into various modes in order to test it
within an installation.
At the time of writing, IDT interacts with the “HWM deployment app”
software; this must also be installed.
“Deployment App” software:
Used by IDT to record the location of the site at which the logger was
deployed.
•Required for apps:
oAn internet connection (via the mobile network),
oA User-account and password for the HWM DataGate system.
(required for the app to function and access the HWM database).
Note: Under certain conditions the above may not be required for the
IDT app (see section 2.4).
Note: The term “DataGate” will be used throughout this manual.
An alternative name may be used by the server in your location.
Note: Do not use the Windows-based version of IDT as it is not compatible with
PermaNET SU.

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2.3 MOBILE PHONE (OR SIMILAR DEVICE)
2.3.1 Specification
The HWM IDT app used for PermaNET SU is available on Android-based mobile devices.
Minimum specification of device:
Android: Android version 5 (Lollipop) minimum.
Must have Bluetooth-Low-Energy (BLE) compatibility, GPS and Internet
capability.
Memory (for application): 60MB
Memory (for data): (varies according to use).
2.3.2 Installing the HWM software (Android version)
The mobile device must be prepared for use with PermaNET SU loggers by installing the
HWM “IDT” mobile phone app.
On your Android device, open the
“Play-Store” application.
Search for “HWM global”.
A list of available HWM applications will be shown.
Select “IDT” and install it.
Once installed, an “IDT” icon will appear on the
phone.
“IDT” is the “Installation and Diagnostic Tool” for PermaNET SU.
Note: The IDT app employs the use of the “HWM Deployment App” for deployment
functions, so this must also be installed.
On your Android device, open the “Play-Store”
application, as detailed above.
Search for “HWM global”.
A list of available HWM applications will be shown.
Select “HWM Deployment App” and install it.
Once installed, an “HWM Deployment App” icon will
appear on the phone.
Note: The HWM Deployment app is only briefly described in this
user-guide. Further information can be found in the user-guide for the Deployment app.