Pen Type ORP Meter Tester Redox ±1999mV Range include Calibration Solution

✔ 【Wide Testing Range】This digital ORP meter helps users evaluate redox conditions measure oxidation-reduction potential from -1999 to 1999 mV with 1 mV resolution. ✔ 【High-Precision Readings】The ORP water tester provides ±5 mV accuracy for dependable routine measurements. Ideal for monitoring water-treatment conditions, filtration-system performance, and water samples. ✔ 【ATC Temperature Compensation】Our OPR meter features automatic temperature compensation that operates from 0°C to 50°C, helping maintain consistent measurements as sample temperature changes. ✔ 【Simple Calibration】Performs 1-point manual calibration using the included ORP buffer solution and mini screwdriver. The simple process makes this redox tester ideal for homeowners, pool operators, and lab staff. ✔ 【Multiple Applications】This portable ORP meter reliably supports everyday household, laboratory, and industrial use. Ideal for testing drinking water, aquariums, pools, spas, aquaculture systems, and wastewater.