The Extech EC400 conductivity meter is a multi-range sensor capable of measuring four parameters namely conductivity, TDS, salinity, and temperature. This instrument offers 3 ranges of measurements from tap water to waste water and any aqueous solution requiring a conductivity measurement. ....
Extech PH103 Tripak Buffer Pouches (4, 7 and 10pH plus rinse solution) is a pre-made convenient calibration solutions for pH meters and has a convenient pouch eliminates the need for a cup to store buffer or rinsing solution
Extech PH4-P 4pH Buffer Solution (2 Bottles) is a pint size bottles with pre-made 4pH buffer solution with a convenient pouch eliminates the need for a cup to store buffer or rinsing solution. Extech PH4-P is asy to use with already made fresh pH buffers for calibration