A professional who controls equipment to produce vinegar. Respnsibilities include:

• Starts pumps and opens valves to charge generators and concentrators with specified volume of vinegar starter, water, alcohol, and coolant.
• Monitors air and temperature gauges and flowmeters and adjusts thermostats, valves, and dials to maintain prescribed generating and concentrating conditions for strength of vinegar being processed.
• Turns valves to regulate rate and volume of solution through filter tank and to transfer solution to storage or shipping tank.
• Tests vinegar samples for grain content (strength), using pH meter and hydrometer.
• Records test results and air temperature readings on process control cards.