This kit includes Testr, calibration buffer pouches (two each of pH 4.01, 7.00, 10.00 and rinse water), sample jar, and sturdy carrying case
Suitable for most ASTM and EPA test procedures
Double junction electrode ideal for dirty water, heavy sulfides, tris buffers and organics
Increased reference gel volume offers significantly longer electrode life
Certifiable to IP67 standards - waterproof and dustproof housing floats
Now you can have high ±0.01 pH accuracy in a waterproof pocket-sized instrument! The WD-35634-80 pHTestr20 also features a double junction electrode that is ideal for dirty water and solutions with heavy metals or other contaminants. Testr features a waterproof, dustproof housing that protects your instrument from rugged field or plant environments.