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This combination, waterproof tester offers high-accuracy pH, EC/TDS and temperature measurements in °C and °F. Replaceable pH electrode cartridge has extendable cloth junction* and EC/TDS graphite electrode resists contamination by salts and other substances. Features automatic temperature compensation (ATC). Reads pH from 0–14, temperature 0–60°C (32–140°F). 0–3,999 μS/cm; 0–2,000 ppm.
*When the cloth becomes dirty from routine testing, pull out a 1/8" section to rejuvenate electrode. Calibration solutions sold separately.