June Sale

20% off 4G Tank Monitors in store & online at Farmlands

With Level Tracking, Alerts, and Leak Detection, HiLo helps farmers monitor stock water schemes across multiple properties. Get back the time and cost of manual checks, and know straight away when trouble strikes.
Image of HiLo tank monitor product box and monitor.
HiLo is stocked at Farmlands nationwide

Better water monitoring,
for farm operations of any size

Whether you’re an owner-operator or a multi-property operator, HiLo helps you better manage your water resource.

Save time and fuel

Cut back on water runs, free up labour resource, and save on vehicle costs.

Reduce water wastage

Find out fast when you have water issue so it can be repaired quickly, and save precious water.

Built farm-tough

HiLo is designed for long-term deployment in rural conditions. With a long-life battery, no cleaning/maintenance, HiLo is a DIY “set and forget” solution you can rely on.

Our Support crew are here to help

We have dedicated full-time support staff who can help over phone / email / text with installation, app support, and any other questions.

Automated alerts tell you  when there’s a problem

Automated alerts tell you  when there’s a problem

You don't need to constantly check the app! When there’s a problem, HiLo automatically sends you a text, email, and in-app notification with alerts for Leaks and High/Low tank levels.
Leak detected
High tank level
Low tank level

Automated alerts tell you  when there’s a problem

You don't need to constantly check the app! When there’s a problem, HiLo automatically sends you a text, email, and in-app notification with alerts for Leaks and High/Low tank levels.
Leak detected
High tank level
Low tank level

1000s of farmers trust their water schemes to HiLo

“HiLo takes all the stress out of worrying about water leaks, and unnecessary trips just to check.”
Catherine, Otago
“The HiLo system has saved the scheme tanks once, as a power cut meant the pumps didn’t start up again when the power came back on.”
Wayne, Taranaki
“We can see when levels are dropping or if an alert has been sent out you can go and fix the problem.”
Alistair, Otago
HiLo is trusted, not only by farmers, but also councils, hydrologists, environmental organisations and city planners for it’s high-level of reliability.
Designed & Manufactured in NZ

Save your water, time, fuel and stress

Simply put, HiLo is the smarter way to keep an eye on your water levels, saving time and resources on your farm.
Please note: the HiLo service requires both the Tank Monitor, and the Cellular Subscription.
Designed & Manufactured in NZ

Save your water, time, fuel and stress

Simply put, HiLo is the smarter way to keep an eye on your water levels, saving time and resources on your farm.
Please note: the HiLo service requires both the Tank Monitor, and the Cellular Subscription.
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HiLo 4G Tank Monitor

NZ$699, one-off cost per tank

NZ$559.95, one-off cost per tank, June sale price

99.5% Accuracy
Built to last
Replaceable battery, 5+ year expected lifespan
Supports tanks up to 3.5m tall

Cellular Subscription

NZ$11/ mth, per tank, billed annually

Cellular connection included
10 SMS Alerts / month
Unlimited Users
Unlimited app and email alerts

HiLo 4G Tank Monitor

NZ$699, one-off cost per tank

NZ$559.95, one-off cost per tank, June sale price

99.5% Accuracy
Built to last
Replaceable battery, 5+ year expected lifespan
Supports tanks up to 3.5m tall
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Cellular Subscription

NZ$11.50 / mth, per tank, billed annually

Cellular connection included
Cellular connection included
10 SMS Alerts / month
Unlimited Users
Unlimited app and email alerts

Where to buy:

Where to buy:

Quick, easy DIY installation on plastic or concrete tanks of any age

Hi-Lo works with any water tank up to 3.5m tall, whether it’s brand new or as old as the hills. Installation is a quick, easy process that anyone handy can do.
Choose your placement on the tank, drill and go.
A person drilling a hole in their tank to install their tank monitor

1. Drill

A person measuring their tank to install their tank monitor

2. Measure

A person attaching their tank monitor to their tank

3. Attach

A person using their phone to connect to their tank monitor

4. Connect

A person drilling a hole in their tank to install their tank monitor

1. Drill

A person measuring their tank to install their tank monitor

2. Measure

A person attaching their tank monitor to their tank

3. Attach

A person using their phone to connect to their tank monitor

4. Connect

HiLo works with any water tank up to 3.5m tall, whether it’s brand new or as old as the hills. Installation is a quick, easy process that anyone handy can do.
Choose your placement on the tank, drill and go.

Common questions

How does the monitor measure the level in my tank?
HiLo Tank Monitors use a radar to track the distance to the water surface from the top of the tank. During the setup process, you enter the dimensions of your tank and this is used to give you a % level or volume in Litres.
Why are radar monitors better than traditional cable and probe based monitors?
Probe-based monitors have a realistic life of a maximum of 3 years before they need replacing. All probe-based monitors suffer from some degradation over time, therefore, manufacturers normally recommend routine cleaning and specify a routine 3 year replacement. Probe based sensors can't be used in dirty water, sludge, or corrosive chemical situations due to corrosion or fouling.
How many tanks can I have on my app?
There is no limit to the number of tanks you can have in your app. Once you have more than 10, a search feature appears to allow you to quickly find the tank you are looking for.
Can my staff have the app on their phone?
Of course. You can invite as many staff or other users as you need. It's easy to do this from the app, but if you find it tricky, our support staff can help you.
Can I change the battery?
Yes, the battery is easily replaceable and can be ordered from us at a cost of $55 + postage.
How do I know if I have coverage at my tank?
Our monitors use LTE-M1 provided by the {{}} network. If you're not sure if you have 4G mobile coverage at your tank, feel free to share your tank location with us and we can check for you.
Do I need to be in line-of-sight with my tank to check the level?
No, once you have set your monitor up, you can check the level from anywhere you have internet access.
How often do I get level updates?
Your tank monitor will check the level every 15 minutes. If it detects an alert level, it will notify you straight away. Otherwise, you'll get a full picture of what's happened in the tank every 6 hours. If you need to, you can reduce this time to 4 or 2 hours but this will reduce the life of your battery. You can change the update rate easily in the app.

Want to talk?

Enter your details and our friendly team will give you a call.
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