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 AlgaeTron AG 230 Learn More Photon Systems Instruments PAR-FluorPen FP 110-MAX-LM Learn More Photon Systems Instruments Handy GFPCam FC 1000-H/GFP Learn More Qubit Systems Q-Box NF1LP Nitrogen Fixation Learn More