The SRF vehicle detector uses sonar to detect vehicle presence
The SRF vehicle detector uses sonar to identify vehicles. It detects the presence of a bus when it is in the fueling lane and sends a reset signal to the RIH once the bus departs from underneath it.
Image 1 is an overview of the SRF in the fuel lane with the RIH and diesel dispenser. Bus is being fueled and SRF senses the roof of the bus.
Image 2 is a quick troubleshooting guide to understanding the system as it pertains to the JB20. It also shows how the LED should function along with some technical details.
Image 3 shows how to place the SRF when you have a fleet of varying size buses and vehicles.
Image 4 is the SRF at the factory waiting to be shipped to a customer site!
