For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Digital Screen: Equipped with suction tube and spare protective cover. The function keys are clear and easy to operate. Digital screen with large numbers to display battery level.

Calibration: No need to calibrate every time. Drop 2-5 drops of distilled water on the sample plate, confirm that the temperature of the water and the instrument are the same, the standard temperature is 20℃, and then cover it. Press the "CAL" key for more than 2 seconds until the "CAL" flashes, then press the "CAL" key again, the meter displays "END" and displays 0.0%.

Standardized Scale: The device adopts standardized scale, which is accurate and easy to read. The digital display is quick and easy to read.

Portable: The digital refractometer is based on a microprocessor, with laboratory accuracy, can accurately and instantly measure parameters such as refractive index (RI), concentration and other parameters of various liquids, and has a friendly operation mode and display area and an automatic temperature compensation system, Measurements are faster, more accurate and clearer than traditional handhelds.

Temperature Unit Conversion: Press the "SCALE" key for more than 2 seconds, the meter will display Celsius or Fahrenheit.