Sensor Alarm Console

The S940 Sensor Alarm Console is a cost effective solution for tank overfill protection and sensor leak detection needs. This easy-to-install-and-operate device monitors up to four tanks, containment sumps or interstitial spaces and provides an audible and visual indication of an alarm condition. Two programmable relay outputs are included to sound an external alarm or send a signal to a building control or monitoring system. The weather proof enclosure allows the S940 Sensor Alarm Console to be conveniently installed indoors or out.



  • Monitors up to 4 sensors for overfill or leak detection.
  • Simple to install and configure.
  • Can be installed indoors or outdoors.
  • Cost effective leak detection or overfill solution.
  • Connect to remote alarms or external devices.
  • Compatible Franklin Fueling Systems 2-wire sensors:
    • TSP-ULS universal liquid sensor
    • TSP-HLS high level sensor
    • TSP-HFS horizontal float switch
    • TSP-UHS universal hydrostatic sensor


  • Input channels: 4 (2-wire float switch sensor inputs)
  • Output channels: 2 (dry contact relay outputs)
  • Alarm: Internal audible alarm
  • LEDs: Alarm, power and output
  • Dimensions: 6″ x 6″ x 4″
  • Power requirements: 100-240 VAC +/- 10%, 50/60 Hz, 15 W max
  • Operating temperature: -13 to +140 ºF (-25 to +60 ºC)
  • Enclosure: NEMA® 4, indoor / outdoor (non-hazardous locations only)


  • Tank overfill alarm
  • Steel or fiberglass tank interstitial monitoring
  • Containment sump monitoring
  • General liquid sensor monitoring
  • Programmable relay outputs for remote alarm or external device interface


  • UL, cUL, associated apparatus, non hazardous location
  • Third party certification of leak detection capabilities

Order Info

Model Description
S940 Four channel sensor alarm console