5-in-1 Digital Water Quality Test Pen – Precision for Every Drop
Ultra-accurate simultaneous testing for TDS, EC, pH, temperature, and salt levels with advanced dual-sensor technology. Durable ABS body with reinforced probe housing ensures long-term reliability in harsh conditions. Ideal for aquaculture, swimming pools, hydroponics, and industrial water treatment. Auto-calibration and IP67 waterproof rating for effortless use in wet environments. Replaceable electrodes and large backlit LCD display enhance usability. Ships calibrated and ready for immediate testing, backed by global wholesale pricing for bulk buyers. Trusted by professionals for its lab-grade accuracy and field-tested ruggedness. Order in bulk for unmatched value.