Handheld Plant Sap Press Spectrum Technologies Categories Crops , Other Applications Send Enquiry Overview Use with Cardy meters or refractometers for on-site testing For extracting plant sap to be used with pH meters or refractometers for on-site testing Made of high quality, non-corrosive metal Includes cleaning device Back Our Related Products Photon Systems Instruments N-Pen N 100 Learn More Soil Moisture G4 Sealing Sleeves Learn More OptiSciences OS1p Chlorophyll Fluorometer Learn More Qubit Systems Dissolved CO2 Systems Learn More