A software driven, solid state controlled, electro-mechanically operated
system to monitor volatile liquid fuel or other hazardous liquids and
provide emergency shut-off if the delivery system is ruptured. A computer
receives input from transducers monitoring the flow rate of the liquid
through the line and a pressure sensor insures the system is prepared to
function. The monitoring apparatus presets a condition based on current
environmental conditions. Measuring the flow rate provides input to
software that validates all other entries. Delivery quantities allowing
point of delivery control to vary the delivery quantity to individual
locations. The software options are: Preset conditions; Owner/operator
input via external computer for loading delivery and trip instructions;
Instructional output on LCD screen to driver on customer information and
scheduling; Data download to owner/operator on billing information, driver
daily activities and volume of propane remaining in vehicle.