The RX-7000α (alpha) is an improved (upgraded) model for a measurement range of refractive index and measurement temperature of an RX-5000α (alpha). The thermo module for constant temperature is equipped. It is best for measuring oils and fats of high melt point, higher refractive index perfumes, organic solvents, etc. This product comes standard with a two (2) year limited warranty against manufacturer’s defects from the date of the original purchase. The warranty period can be extended to three (3) years if the product is registered with ATAGO. FDA 21 CFR Part 11 Software Included in Standard Delivery.