A spray measurement system , comprising: a rotor disposed within a batch chemical processing chamber, wherein the rotor is operable to rotate around a horizontal axis Z, wherein the rotor is operable to rotate in a clockwise or counterclockwise direction A and an opposite clockwise or counterclockwise direction B; a spray measurement apparatus in operative association with the rotor , the spray measurement apparatus comprising: a jig device , comprising a plurality of slots , wherein each of the plurality of slots is operable to receive a blocker plate ; and one or more channels corresponding with one or more of the plurality of slots , wherein each of the one or more channels is in operative association with a respective pressure transducer for measuring an amount of liquid collected in the one or more channels ; wherein the spray measurement apparatus is operable to be rotated between a vertical resting position and a predetermined testing angle by the rotor ; and; a controller in operative association with the rotor , wherein the controller is operable to rotate the rotor around the horizontal axis Z, wherein the controller is operable to rotate the rotor in the clockwise or counterclockwise direction A and the opposite clockwise or counterclockwise direction B between the vertical resting position and a predetermined testing angle; wherein the spray measurement apparatus is operable to be rotated to a predetermined testing angle and receive an amount of liquid sprayed by a spray nozzle array into the one or more of the channels , wherein a data collection interface is operable to record the amount of liquid collected in each of the one or more channels . a rotor disposed within a batch chemical processing chamber, wherein the rotor is operable to rotate around a horizontal axis Z, wherein the rotor is operable to rotate in a clockwise or counterclockwise direction A and an opposite clockwise or counterclockwise direction B; a spray measurement apparatus in operative association with the rotor , the spray measurement apparatus comprising: a jig device , comprising a plurality of slots , wherein each of the plurality of slots is operable to receive a blocker plate ; and one or more channels corresponding with one or more of the plurality of slots , wherein each of the one or more channels is in operative association with a respective pressure transducer for measuring an amount of liquid collected in the one or more channels ; wherein the spray measurement apparatus is operable to be rotated between a vertical resting position and a predetermined testing angle by the rotor ; and; a jig device , comprising a plurality of slots , wherein each of the plurality of slots is operable to receive a blocker plate ; and one or more channels corresponding with one or more of the plurality of slots , wherein each of the one or more channels is in operative association with a respective pressure transducer for measuring an amount of liquid collected in the one or more channels ; wherein the spray measurement apparatus is operable to be rotated between a vertical resting position and a predetermined testing angle by the rotor ; a controller in operative association with the rotor , wherein the controller is operable to rotate the rotor around the horizontal axis Z, wherein the controller is operable to rotate the rotor in the clockwise or counterclockwise direction A and the opposite clockwise or counterclockwise direction B between the vertical resting position and a predetermined testing angle; wherein the spray measurement apparatus is operable to be rotated to a predetermined testing angle and receive an amount of liquid sprayed by a spray nozzle array into the one or more of the channels , wherein a data collection interface is operable to record the amount of liquid collected in each of the one or more channels . <EOS>