HI 4522 Research Grade Meter with Calibration Check™ and USP
For pH/ORP/ISE and EC/TDS/Resistivity/Salinity and Temperature • Two input channels pH/ORP/ISE and EC/TDS/Resistivity/Salinity • pH Calibration Check™ • Five point pH and ISE calibration with standard and custom buffers • USP 645 method, ISE incremental methods and salinity scales • Fully customizable • Large log memory with multiple logging methods