TLS-4B Automatic Tank Gauge

The TLS4B Automatic Tank Gauge System provides comprehensive wet stock data for complete fuel inventory management. Combining industry leading algorithms with enhanced security, real-time notification, and anywhere, anytime access, the TLS4B keeps you in control of your fuel stocks.



  • Maximum Tank Probes: Up to 6 Mag Plus or Mag-FLEX probes (can be mixed)
  • Intrinsically Safe Probe / Sensor Inputs: 6
  • Sensors: Up to 6 of any one type (excludes PLLD)
  • Relays / External Inputs: 2 Relays, 1 External Input (built-in)
  • Communication ports bult-in:
    • 2 serial ports, RS232 / RS485 (2-wire) configurable
    • 1 Ethernet
    • 2 USB
  • SLD Static Tank Testing: Optional with Mag 1 / Mag 2 probes in underground tanks
  • Delivery detection and reporting
  • Data Storage & Available Reports: Up to 3 Years
  • Network Printing
  • No Display Console Version: Optional
  • Email: Built-in
  • Data Logger Functionality (Insite360): Built-in
  • Remote Software Download: Yes (requires console registration)
  • Density Monitoring: Yes (requires Mag Plus Density Probes & Float Kits)
  • Phase Separation: Yes, with Phase-Two 4” floats
  • Storage Temperature Range: -40°C to 70°C
  • Operating Temperature Range: 0°C to 40°C
  • New features for later in 2015:
    • TSL Timed Sudden Loss detection: Optional
    • VR2 Vapour Recovery Alarm Monitoring: Optional
    • IFSF over TCP/IP
    • IFSF LON (estimated availability early 2016)


Clarksons TLS4/TLS4B Brochure


TLS4 Series Site Preparation Manual