| 摘要 |
PURPOSE:To execute the scheduled delivery of an LP gas by inputting residual gas information from a gas meter, calculating the residual quantity and a corrected value of an average use quantity per day, and correcting the next scheduled date of delivery. CONSTITUTION:A delivery plan calculating part 3 calculates an average use quantity per day based on a meter inspection day and a pointer value at the time of inspection of a meter, and a delivery day and a pointer value at the time of delivery, etc., inputted from a gauge examination information input device 1 and a delivery information input device 2, calculates the number of days required for using up the whole volume of an installed LP gas vessel and determines the next scheduled data for delivering the LP vessel. A recalculating part 5 calculates again the average use quantity per day based on the scheduled date of delivery from the delivery plan calculating part 3, information from the gauge examination information input device 1 and the delivery information input device 2 and residual gas information from a receiving part 4, calculates the number of days required for using up the gas remaining in the installed LP gas vessel, and corrects the scheduled date for delivery of the next LP gas vessel. |
