Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/ Cal Check flawless finish and maintain your pH and

and maintain your pH and conductivity probes

Supply Voltage: 220–240 VAC

and performance

• Includes 20' remote precision temperature sensor

Transfer Athena Perafoam into the "Perafoam" tank on the Athena Reset Foamer

Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/ Cal Check flawless finish and maintain your pH andThe HI9813 6 features the Hanna Instruments CAL Check that will allow the user to know when the probe needs to be calibrated or replaced. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC. A variable TDS conversion factor ensures that your results are right the first time. The HI9813 6 portable meter features a large LCD that displays either pH,