Designed for Lab or Field
For water testing in the lab and field, use this set of high-quality probes. The waterproof, lightweight devices feature digital display and automatic temperature compensation. Each pocket-sized, lightweight unit is easily transported for any experiment. Contents include pH and conductivity probes, standard solutions 1413us/cm, soaking solution, buffer solutions pH 4 and 7, six AA batteries, and a carrying case. Specifications: pH: -2 to 16. ORP: -1000 to 1000. Conductivity: 0 to 2000 mus. TDS: 0 to 1300 ppm. Salinity: 0 to 1000 ppm. Temperature: 32°-194°F (0° to 90°C) Size: 7.7-L x 1.6-W x 1.4-H. Weight: 4.8 oz.