TST 507 TPMS Flow Thru (12 Sensors) - Full Color Touch Display

Our review of the TST 507 TPMS Flow Thru (12 Sensors) finds it best for owners towing campers or running multiple trailers who want clear, real-time tire data. The single biggest reason to buy is the larger, full color touch screen that makes pressure and temperature readings readable at a glance, even in bright light; paired with real-time direction, speed and altitude readouts it gives a practical picture of tire status while on the road. Setup is straightforward for most users and the system supports monitoring one tow vehicle plus up to five trailers, making it a strong choice for serious haulers.

Key Features

• Full color touch screen: The larger, easier-to-read display presents pressure and temperature values clearly for quick checks while driving.
• Multi-vehicle monitoring: Monitor one tow vehicle and up to five trailers so owners of multiple towed rigs can keep all tires visible from a single display.
• Automatic pressure parameters: The monitor sets high and low pressure alerts automatically using your baseline cold tire pressure to reduce false alarms and simplify setup.
• Tire rotation feature: Built-in rotation support means you can remap sensor positions without buying new sensors, keeping readings accurate after maintenance.
• Rechargeable battery and USB-C: A rechargeable internal battery with USB-C power makes it convenient to keep the unit charged on long trips without proprietary cords.

Who It's For

The TST 507 TPMS suits RV owners, professional and recreational tow vehicle users, and anyone who tows multiple trailers and needs a single, consolidated view of tire conditions. Its support for up to 46 tires across a tow vehicle and five trailers is especially useful for fleets, horse trailers, and large camping rigs.

Those who only need a simple two- or four-tire monitor for a passenger car or motorcycle might find this system more feature rich and costly than necessary. Also, buyers seeking low-cost disposable sensors should expect higher upfront investment for durable Flow Thru sensors and broader monitoring capability.

Pros & Cons

Pros

• Large color touchscreen offers excellent sunlight visibility and clear readings.
• Supports many tire positions, making it ideal for complex towing setups.
• Automatic alert thresholds and tire rotation feature reduce manual configuration.
• Rechargeable battery with USB-C is convenient for road use.

Cons

• Some customers report occasional issues with sensor quality that may require attention or replacement.
• System capability may be more than needed for drivers of single small vehicles.

Specifications

Our Verdict

The TST 507 TPMS Flow Thru (12 Sensors) is a practical, value-forward pick for people who tow multiple trailers or run large rigs and need clear, accurate tire data in real time. Its bright color touch display, wide tire support and automatic alerting deliver peace of mind on long trips, and the rechargeable USB-C monitor makes it easy to keep powered. For those who need simple monitoring for a single passenger car, a less capable unit may be more economical.

Frequently Asked Questions

Can this monitor handle more than one trailer?
Yes, the unit can monitor one tow vehicle plus up to five trailers and supports up to 46 tires overall.

How are alert thresholds set?
The monitor automatically sets high and low pressure parameters using your baseline cold tire pressure to reduce setup time and false alerts.

What power options does the display use?
The monitor has a rechargeable internal battery and uses a USB-C connection for charging and continuous power on long trips.