Soil PH-Moisture Meter

The soil PH is a important factor to limits the crops production and the quality .

This instrumentation is simple and convenient, can directly insert....

Abbe Refractometer

This instrument is designed for the measurement of refractive index( nD) and the average optical dispersion( NF-NC) of the transparent, the semitransparent....

Hand Held Refractometer

The Hand Held Refractometers are specially designed for measuring the concentration of many kinds of solution listed as following: Juices ¡  ¢ Beverages....

Digital Refractometer

Digital Refractometer is a kind of digit product based on the hand-held refractometer. The gigit can be displayed. Comparing with the hand-held....