OPTi Digital Handheld Refractometer


The pocket-sized digital refractometer that’s ready when you are.
The OPTi Digital Handheld Refractometer from Bellingham + Stanley (pioneers of the handheld refractometer)
is a highly reliable, premium quality instrument used to control the dissolved solids or blend ratios of products
ranging from fresh fruit to industrial chemicals.


  • Brand




Portable and Precise

Portable and simple to operate, the OPTi provides excellent “on-the-spot” concentration analysis with automatic temperature correction. Accurate one-button measurement and a clear display present reliable results, no matter who takes the reading.

Thanks to its compact design and clever marriage of smart software and ergonomic hardware, OPTi refractometers are perfect for taking measurements anywhere.


  • Quick 2 second read time of sample
  • Onboard library of over 40 scales
  • Up to 3 active scales on a single device
  • High Ambient Light (HAL) detection – warns of too much light entering the sensor
  • Unique “AG Test Mode” that allows the use of long-life non-sucrose based certified reference materials
  • Programmable read delay for sample temperature stabilization


  • Clear digital LCD display
  • Ergonomic & durable handheld design
  • IP65 rated
  • Easy-clean, stainless steel prism dish
  • Rapid temperature stabilisation

An OPTi for All Occasions

The OPTi Digital Handheld Refractometer can be used for measuring fruit ripeness, fruit juices and
concentrates, carbonated beverages, alcohol content, and grape must, confectionery and jams, sugar, and many
other food applications. Industrial applications include the measurement of soluble oils, quenchants, glycols,
antifreeze, air-conditioning, and heat transfer fluids, aviation fuel inhibitors, airplane wing de-icing surfactants,
starch, textile surfactants, and more.
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