A fluid dispensing meter configured to be grasped by a single hand of a user comprising: a handle to be grasped by a single hand of the user; a trigger interfaced with a valve disposed within the body of the fluid dispensing meter, the trigger configured to displace the valve between a closed position and an open position; a trigger control mechanism disposed in the body of the fluid dispensing meter, the trigger control mechanism controllable between an activated state, where the trigger can displace the valve to the open position, and a deactivated state, where the trigger is prevented from displacing the valve to the open position; a near field communications data receiver disposed in the fluid dispensing meter, the NFC data receiver configured to receive data from an external data source; and a control board disposed in the fluid dispensing meter, the control board comprising: a processor; and a memory encoded with instructions that, when executed by the processor, cause the processor to: recall configuration data from the memory, the configuration data including a fluid type that the fluid dispensing meter is connected to dispense; compare the configuration data to dispense-authorization data received from the external data source, wherein the dispense-authorization data includes fluid type information; and control the trigger control mechanism between the activated state and the deactivated state based on the comparison of the configuration data and the dispense-authorization data. a handle to be grasped by a single hand of the user; a trigger interfaced with a valve disposed within the body of the fluid dispensing meter, the trigger configured to displace the valve between a closed position and an open position; a trigger control mechanism disposed in the body of the fluid dispensing meter, the trigger control mechanism controllable between an activated state, where the trigger can displace the valve to the open position, and a deactivated state, where the trigger is prevented from displacing the valve to the open position; a near field communications data receiver disposed in the fluid dispensing meter, the NFC data receiver configured to receive data from an external data source; and a control board disposed in the fluid dispensing meter, the control board comprising: a processor; and a memory encoded with instructions that, when executed by the processor, cause the processor to: recall configuration data from the memory, the configuration data including a fluid type that the fluid dispensing meter is connected to dispense; compare the configuration data to dispense-authorization data received from the external data source, wherein the dispense-authorization data includes fluid type information; and control the trigger control mechanism between the activated state and the deactivated state based on the comparison of the configuration data and the dispense-authorization data. a processor; and a memory encoded with instructions that, when executed by the processor, cause the processor to: recall configuration data from the memory, the configuration data including a fluid type that the fluid dispensing meter is connected to dispense; compare the configuration data to dispense-authorization data received from the external data source, wherein the dispense-authorization data includes fluid type information; and control the trigger control mechanism between the activated state and the deactivated state based on the comparison of the configuration data and the dispense-authorization data. recall configuration data from the memory, the configuration data including a fluid type that the fluid dispensing meter is connected to dispense; compare the configuration data to dispense-authorization data received from the external data source, wherein the dispense-authorization data includes fluid type information; and control the trigger control mechanism between the activated state and the deactivated state based on the comparison of the configuration data and the dispense-authorization data.