SCULLY ST-47 Vehicle Static Ground Verification System monitors the ground connection and if that connection is lost, the ST47 will non-permit. Self-proving technology based on Scully’s original patented design.
The unit can operate in conjunction with Scully Overfill Prevention System (ST-35® or ST-15) or as an independent ground verification unit.
Immediately shuts down the loading operation if proper static grounding is not detected
- Can be used with a variety of loading operations including tank trucks, rail tank cars, aircraft refuelers and tanks, to ensure that transport vehicles are properly tied to ground before and during the loading operation.
- For stand-alone grounding without overfill prevention, choose the junction box with choice of Scully ground-proving plug or grounding clamp.
- For static ground verification in conjunction with Scully Overfill Prevention system, wire the ST-47 through Overfill Prevention Control Monitor and plug and cable for one quick overfill protection and static grounding/earthing connection
- Direct earthing tie-in point at loading rack is available.