This category includes a range of devices for measuring solution properties. The Portable Turbidity Meter is designed to measure the cloudiness or haziness of liquids, an important indicator of water quality. The Digital Ethylene Glycol Refractometer accurately measures the concentration of ethylene glycol in solutions, commonly used in automotive and industrial applications. The Digital Brix / Potential Alcohol Refractometer measures the sugar content and potential alcohol level in liquids, essential for the food and beverage industry. The Digital Brix Refractometer specifically measures the sugar content in solutions, useful in agriculture, food processing, and beverage production.