Built for Real Tanks & Real Environments

From corrosive chemicals to diesel and DEF, the ST705 Radar Monitor handles it all — reliably.

Real Tank

Tank Compatibility at a Glance:

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Plastic tanks (water-based):

Non-invasive up to 6 ft / Invasive up to 17 ft

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Plastic tanks (oil-based):

Non-invasive up to 9 ft / Invasive up to 12 ft

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Metal tanks:

Invasive up to 12 ft

Built with UV-stabilized PVDF (Kynar) and polypropylene materials, the ST705 Radar Monitor is engineered for durability in corrosive and outdoor environments. Compact, tough and ready for the field, the ST705’s UV-stabilized housing and ATEX/C1D1 safety certifications make it the right choice for harsh, hazardous, or high-performance environments.

Why Operators Choose the ST705 Radar Monitor

Accurate. Durable. Easy to Install.

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Non-invasive or invasive mounting options
CAT-M1 connectivity
Accurate radar readings: ±0.78 in (±2 cm)
Fast, Bluetooth setup through the Tank Installer App
10-year battery life and IP68 durability
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Smarter Data with the SmartTank Portal

One Platform. Complete Visibility.

Connect the ST705 Radar Monitor directly to the NextGen SmartTank Portal for unified tank management across every site and customer. 

Access live level readings, historical usage trends, and automated alerts—all in real time.

Turn insight into action with forecasting tools and analytics designed for industrial liquids, fuels, chemicals and water.

Man interacting with SmartTank Portal on devices, with sensor in background
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Rugged. Reliable. Always On.

Built for harsh, real-world environments, the ST705 Radar Monitor performs wherever you deploy it.

  • IP68-rated for long-term outdoor protection
  • Operates from –13°F to 122°F, even in high humidity
  • Designed for industrial, remote, and demanding applications
  • Long-life power ensures continuous monitoring

Your tanks don't stop working, and neither should your monitor.

Easy Install with our Tank Installer Mobile App

Install in Minutes, Not Hours.

The Tank Installer Mobile App makes setup simple. Scan the device, connect via Bluetooth, align the radar, and automatically sync tank details to the Next Gen SmartTank Portal. No tools. No cables. No manual programming.

Smartphone displaying Tank Installer App with Bluetooth icon and wireless signals

Ready to Upgrade Your Tank Fleet?

See how the ST705 Radar Monitor can elevate your tank visibility, streamline installs, and help your team make smarter, faster decisions.