By Sarah Chen · environmental engineer · water, waste and everything that flows downhill
“After my $200 solar logger failed in a 40°C heatwave, I learned that Aussie sun melts cheap plastics faster than rain.”
— Sarah. Every litre accounted for.
ArticlesCalculatorsSite PlannerShopLook, if you're off-grid in Australia, you don't guess rain. You log it. Tipping bucket gauges + solar loggers = no more "was it enough?" bullshit. Here's how to do it right.
Look, if you're off-grid in Australia, you don't guess rain. You log it. Tipping bucket gauges + solar loggers = no more "was it enough?" bullshit. Here's how to do it right.
Because your dam's empty and you're rationing shower water? Yeah, that's why. Data tells you if you need to haul water or if the next storm's coming. No more guessing. Just facts.
Forget those fancy electronic ones. Tipping buckets are simple, reliable, and cheap. They tip every 0.2mm of rain (standard for Aussie weather). No batteries, no fancy tech. Just rain in, water out, data logged.
Pro tip: Mount it on a pole, 1.5m off ground, away from trees. If leaves block it, you're logging leaves, not rain. Strewth.
Loggers need power. Solar's the only option. Get a 5-10W panel with a 12V battery. They run for years. No grid, no problem.
Must-have specs:
WeatherFlow (Tipping Bucket)
Price: $180-$250
Why: Reliable, Australian-made. Fits all loggers. Get the 100mm model for big storms.
Wavetech (Solar Logger)
Price: $320 (includes 5W panel + logger)
Why: Built for Aussie heat. No extra wiring. Comes with SD card. Best value.
Altronics (Basic Logger)
Price: $140 (just the logger)
Why: Cheap, but you need to buy panel/battery separately. Good for tight budgets.
1. Mount gauge 1.5m high, clear of obstructions.
2. Connect to logger (usually via 3-pin cable).
3. Plug solar panel in direct sun (no shade).
4. Insert SD card. Done.
Big mistake: Putting the logger under a roof. Rain gets in, electronics fry. Loggers need sun, not shelter.
Pop the SD card in your laptop. Open the CSV file. Done. No apps, no subscriptions. Just numbers. If it's raining 5mm in 10 minutes? You know it. If it's been dry for 3 weeks? You know it. No more "was it enough?"
Get a tipping bucket + solar logger. $300-$400. It's cheaper than hauling water. It's cheaper than a dam failure. It's the only way to know your water. Stop guessing. Start logging.
Worth a watch: BOM Webinar 16 April 2019: Using the new design rainfalls for Australia · Bureau of Meteorology
While many off-grid projects are achievable as DIY, certain situations require licensed professionals:
Always check local regulations and obtain necessary permits before commencing work.