Site Sentinel® and Metermade® – The trusted names in remote data logging.
Australian Designed, Australian Made, Globally Implemented.

37South is an Australian Industrial Product Design and Engineering Company, based in Melbourne.

37South designs and develops class-leading ultra-low powered, 4G / 5G LTE Cat-M1 / NB-IoT Cellular, Radio and Satellite based RTU and Data Logger products, supporting industry standard protocols (such as DNP3, Modbus and others) for the utility sector under the brands of Site Sentinel® and Metermade®.


We love feedback, here is what some of our key clients say about our Products and Services. 

Mr. Russell Riding
Team Leader | Automation

Melbourne Water

37South’s product capability is great for our business, the flexibility and range of accessories allows us to deploy their solutions with ease!…

37South’s product support doesn’t end until our issue is resolved, their support extends to working with third parties to rectify any technical issue we may encounter.

Mr. Neil Firmin
Technical Officer | Mining Services

Energy Australia

37South provide us with an integrated “ready to go” solution for our off site remote monitoring requirements with their Site Sentinel product. Sensors, Data Logging. Modem, and cloud access delivered in one unit. A simple install and you’re done.

Mr. Corey Hester
Senior Project Manager | Water

Mandalay Gold

37South has provided remote management of water resources at Costerfield mine. The Site Sentinel deployment has enabled the collection of meaningful data to assist in accurate resource and budget decisions for the company. The expertise supplied by 37South has helped save time and money for our company. Their attention to detail has provided accurate solutions, for complex remote monitoring problems.

Ms. Sophie Wang
NRW Program Lead | Assets 

Greater Western Water

The Site Sentinel RTU product has performed well and reliably for us over the years, with very few issues.

37South have provided timely and efficient responses to our queries.

We recommend both the product and the services provided by 37South.


We provide our advanced Site Sentinel® and Metermade® Data Logger Hardware, Sensors, Installation Accessories and optional ProcessrIO® Cloud Hosted Data visualisation and management platform for all deployment applications in Water, Wastewater, Irrigation, Mining, Rail, Environmental Monitoring.

Our Site Sentinel® and Metermade® Data Logger Hardware is directly compatible with all leading Utility SCADA systems such as ClearSCADA®, GeoSCADA®, CitectSCADA® and CGI Mosaic®.

Our field proven solutions provide cost effective and reliable off the shelf deployment options for virtually any remote monitoring task, providing high value data collection for unattended operational monitoring applications, asset performance modelling, risk and compliance.

Not sure where to start?

Contact us to discuss your monitoring
application with our experts.


37South’s Products and Accessories are relied upon every day by leading Utility Organisations and Municipal Councils
across Australia, New Zealand and the Rest of the World.


Relationships are built over the long term. It all starts by providing exceptional products, support and services.
Numbers paint the picture of 37South’s level of commitment to our customers.

Deployed Devices
2077 +
Utilities Rely on our Products
0 +
Years in Operation
0 +


37South offers a diverse range of remote monitoring hardware to suit all deployment application types and cost versus functionality considerations.



2AI / 2DI,CT / Solar Reg



4AI / 4DI,CT / Solar Reg + Modbus Master



4AI / 4DI,CT / Solar Reg / Camera Port + Modbus Master



Ultrasonic Level 0-5m



Single Float 6m​



Dual Float 6m​

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