Master 53M Refractometer
Product Details:

Model Number/Name	Master 53M
Brand	Atago
Usage/Application	Brix
Measurement BRIX	0-53%
Application	Industrial
Accuracy	0.2%
Measuring Range	0-53%

MASTER-53M are a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.The MASTER-53M is made of metal, and the MASTER-53PM is plastic.
The specifications are exactly the same. For salty and acidic samples, choose the plastic body, MASTER-53PM.