The MASTER-53M is a good alternative when water resistance is not a priority and temperature compensation will be done manually. Automatic Temperature Compensation is not equipped. The MASTER-53M is made of metal and the MASTER-53PM is made of resin. The specifications are exactly the same. For salty and acidic models, choose the resin body, MASTER-53PM.
Atago's Master 93H sweetness refractometer model is designed according to Japanese industrial standards, gives accurate results, is easy to use, does not use batteries, has automatic temperature compensation function, is waterproof, compact, and durable. highly durable
- Genuine Atago Master s/Mill Alpha model salinity refractometer made in Japan, designed to be waterproof, highly durable, easy to use, accurate measurement results, specialized in measuring salinity in various fields Aquaculture, hydroponics, swimming pools, fish tanks,...