Hanna Instruments Grochek pH/EC/TDS/C Portable Meter w/ Cal Check / HI9813-6N ..(from#_VM Innovations_375351692351496

Starter set with portable, water-resistant meter for testing pH, electroconductivity, and total dissolved solids, provided with solutions and sachets Calibration check function to validate instrument performance Automatic temperature compensation (ATC) to eliminate the need for extra calculations Alert system when low battery and potential measurement error On-screen user and calibration guides