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 OptiSciences ACM-200 plus Anthocyanin Content Meter Learn More OptiSciences CCM-300 Chlorophyll Content Meter Learn More Q-S161 RH/Temp. Sensor Learn More Regent Instruments WinSCANOPY Learn More