TLS-450 Plus Automatic Fuel Tank Gauge

The Veeder-Root® TLS-450PLUS Automatic Fuel Tank Gauge offers the stability, security, and simplicity that your site needs to propel your business into the future. Our fuel-level-monitoring systems automate fuel-reconciliation and compliance reporting, providing you with access to critical fuel-site data at all times.

The Hub of Your Compliance Program

Keeping compliant is vital to ensuring you’re not cutting into profits with costly fines or fees. The TLS-450PLUS Automatic Tank Gauge is designed to help you meet those requirements and maintain compliance records so you’re not tied down with red tape. With the availability to connect to a multitude of sensors, and features like Continuous Statistical Leak Detection or Electronic Line Leak Detection, the TLS-450PLUS fuel management system is flexible to suit the best compliance methods for your business.

Important Features

Maintain control of your fuelling operations using the automated variance control, leak detection and site management solutions of the TLS-450PLUS to always know the status of your business.

AccuChart™ industry leading automatic calibration ensures best possible data for accurate wet stock management. Third party approved leak detection gives peace of mind that tanks and lines are tight. Remote connectivity on the TLS-450PLUS allows access to information at all times, from anywhere.

Operate at peak efficiency with the TLS-450PLUS monitoring system, managing risk, limiting liability and reducing inventory shortages and site downtime.

Veeder-Root automatic tank gauges are the high quality wet stock management solutions with a long history of reliability and precision. Our products help achieve results that matter and the protection your business deserves.


Number of Tanks Monitored


Number of Tanks Monitored with Business Inventory Reconciliation


Sensor Inputs

99 of any one type

Line Leak Testing

16 lines

High Voltage Outputs


High Voltage Inputs


Low Voltage Inputs


Touch Screen Display

8” Color WVGA LCD




  • Ethernet

  • RS-232

  • RS-485

  • USB

  • SiteFax

  • EDIM

Available Modules

  • Universal Sensor Module

  • Universal Input / Output Module

  • 10 Amp Relay Controller Module


Storage Temperature Range

-40 ° F to 158 ° F (-40 ° C to 70 ° C)

Operating Temperature Range

+32 ° F to 104 ° F (0 ° C to 40 ° C)


18.4 x 11 x 8.8


  • UL, cUL

  • ATEX

  • IECEx

  • Third party certification of leak detection capabilities