Outback Watchman 4G Remote Monitor Water Flow Meter with 0.9W Solar Panel
Remote 4G water flow monitoring for bores, tanks and pumping systems - solar powered, with no Wi-Fi or mains power required.

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Know what your water system is doing without driving out to check it.
The Outback Watchman 4G Solar Water Monitor gives you remote visibility of water flow and usage from your bore, tank, irrigation or water transfer system.
Installed directly into the water line, the Watchman measures flow and sends monitoring data over the mobile network to an online dashboard, allowing you to check water production from your phone, tablet or computer.
Designed for remote Australian conditions, the Watchman is completely self-powered with a built-in 0.9W solar panel and rechargeable battery, so there is no need for mains power or Wi-Fi at the installation site.
It is an ideal addition to an Outback Solar Pump system where you want greater confidence that water is moving, visibility over total water usage, or an easier way to keep an eye on remote infrastructure.
Key Features
- 4G remote monitoring – view water flow and usage remotely
- Solar powered – built-in 0.9W solar panel with rechargeable battery
- No Wi-Fi required – communicates through the mobile network
- Online monitoring dashboard – accessible from your phone, tablet or computer
- Track total water usage and monitor pump production over time
- 4G IoT SIM included
- 12 months online monitoring included
- Weather-resistant design for outdoor and remote installations
- Simple inline installation into your water pipe
- Suitable for solar bore pumps, tanks, livestock watering, irrigation and transfer systems
25mm Watchman
- Suitable for most bore pump and general water supply applications.
- Flow Range: 2–100 L/min
- Connection: 25mm / 1"
50mm Watchman
- Designed for higher-flow water transfer and pumping applications.
- Flow Range: 10–300 L/min
- Connection: 50mm / 2"
| Max Flow | 25mm: 100 L/min / 50mm: 300 L/min |
| Max Head | 1,750 kPa |
| Motor | Built-in 0.9W Solar Panel + 3000mAh Rechargeable Battery |
| Outlet Size | 25mm: 1" / 50mm: 2" |
| Brand | Outback Solar Pumps |
|---|---|
| SKU | ACC-WM025-4G |
| Max Flow | 25mm: 100 L/min / 50mm: 300 L/min |
| Max Head | 1,750 kPa |
| Motor | Built-in 0.9W Solar Panel + 3000mAh Rechargeable Battery |
| Outlet Size | 25mm: 1" / 50mm: 2" |
25mm (1") or 50mm (2") inline flow sensor, depending on variant
Built-in 0.9W solar panel
3000mAh rechargeable battery
4G IoT SIM card with lifetime allocation of 500MB data + 250 SMS
12 months IQFLOW online monitoring platform access
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Ideal For
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Tank Filling Efficiently fills tanks and storage systems.
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Livestock Watering Reliable water supply for livestock and farms.
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Remote Water Transfer Move water where you need it, off-grid.
Frequently Asked Questions
Do I need Wi-Fi at the pump site?
No. The Watchman uses cellular connectivity through the included IoT SIM, so Wi-Fi is not required. You will still need suitable mobile network coverage at the installation site.
What can I monitor remotely?
The Watchman allows you to monitor water flow and usage through the online dashboard from your phone, tablet or computer. This makes it easy to keep an eye on remote bores, tanks, irrigation and water transfer systems.
What is included with the Watchman?
Each Watchman includes the solar-powered 4G monitoring unit, your selected 25mm or 50mm inline flow sensor, a 4G IoT SIM and 12 months of online monitoring platform access.