- The hand refractometer is specifically designed for accurately measuring ethylene and propylene glycol concentrations in solar heating systems, batteries, and various machines, ensuring optimal performance and safety. - Key Benefits: - Essential for monitoring coolant levels to prevent freezing, enhancing the efficiency and longevity of your systems. - Quick and easy readings help you maintain proper fluid concentrations, which is crucial for system operation and reliability. - Features: - Frost protection functionality ensures that your systems operate effectively even in cold conditions. - Compact and portable design allows for convenient use in various settings, whether at home or in the field. - Applications: - Ideal for solar heating systems to ensure optimal antifreeze levels, preventing damage during winter months. - Perfect for battery maintenance, helping you assess the coolant quality to extend battery life. - Useful in machinery operations, ensuring the right glycol mixture for safe and efficient functionality. - The refractometer is made from durable materials for long-lasting performance, providing peace of mind in critical applications. - Compatible with a range of systems, this tool is an essential addition for anyone working with ethylene and propylene glycol solutions.