MASTER-20Pa Refractometer: This refractometer has identical specifications to the Master-20A, but the PA version is made of plastic, making it good for measuring in salty and acidic solutions.
Available on backorder
The MASTER-20Pa Refractometer is designed for measuring low concentrations such as juice, cutting oil, etc. It has automatic temperature compensation (ATC) and is water resistant (IP65). MASTER-20α is made of metal and MASTER-20Pα is made of plastic. The specifications are exactly the same. For salty and acidic samples, choose the plastic body, MASTER-20Pα.
Specifications:
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