Waterproof ORP Meter ORP-200

Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical & medical applications, pools & spas, pulp bleaching, vineyards & wineries and water treatment. FEATURES • Measures Oxidation Reduction Potential ( Redox) and Temperature • Auto-ranging calibration with digital fine tuning • Includes 4 pH buffer solution in a sponge embedded in a clear cap • Waterproof housing ( IP-67 rating) • Simultaneous temperature display • Digital Calibration ( push button) • Auto-off function, data-hold function and low-battery indicator. • Display: large and easy-to-read LCD screen includes simultaneous temperature reading. • Factory Calibrated: The ORP-200 meter is factory calibrated to + 200 mV The meter can be easily recalibrated with digital calibration using the push buttons, rather than a screwdriver. • Includes a cap, batteries, and lanyard SPECIFICATIONS ORP Range: -999 to + 1000 mV Temperature Range: 0-80 ° C; 32-176 ° F Resolution: 1 mV; Temperature resolution is 0.1 ° C/ F Accuracy: 0.5% ( + / - 2mV) Calibration: Digital calibration by push button. Electrode: Replaceable glass sensor and reference tube electrodes Housing: IP-67 Waterproof ( submersible; floats) Power source: 3 x 1.5V button cell batteries ( included) Dimensions: 18.5 x 3.4 x 3.4 cm ( 7.3 x 1.3 x 1.3 inches) Weight: 96.4 g ( 3.4 oz)