Complete range of digital refractometers offering a wide measuring range and choice of temperature control systems. The RFM800 model offers the widest measurement range and excellent temperature control by peltier device and conforms to the operational requirements of FDA regulation 21 CFR Part 11, whilst RFM340 and RFM700 models satisfy the demanding requirements of heavy industry. The new RFM300+ peltier temperature controlled refractometers offer ultimate performance in both laboratory and factory environments