HI2004-18 • HI2014-18 HI2004-28 • HI2014-28 ORP and Temperature Industrial Smart Probes HI510 and HI520 Universal Process Controller compatible HI20X4‑18 and HI20X4‑28 are ORP and temperature probes designed for use with the Hanna Instruments® HI510 or HI520. The system is designed to monitor and control disinfection chemicals or follow and control a critical oxidation (or reduction) reaction. mV measurements are auto‑compensated for barometric pressure and temperature. • HI2004‑18 and HI2014‑18 platinum-sensor series are designed to provide the best response over a wide range of applications. Used in reducing processes such as chlorine dosing in pools and spas or chromate reduction. • HI2004‑28 and HI2014‑28 gold-sensor series are designed for oxidative processes such as cyanide oxidation in the mining industry. The probe features a flat tip (ideal for solutions containing aggressive chemicals) which virtually eliminates dirt deposits and significantly reduces maintenance. Suitable for continuous measurement of ORP required for monitoring and/or controlling oxidizers and reducing agents in water treatment monitoring, industrial effluent treatment, and swimming pools, the probe can be submersed/immersed using the 3/4” NPT threads, or installed directly in‑line or in a flow cell installation, using the lower sensor threads. The probe is also available with an integral connector that permits cable connections after installation. Patch cables may be purchased separately to connect between the probe and controller up to 50 meters (164 ft). • Rugged, chemically-resistant PVDF body • 3/4” NPT external thread • 6 bar (87 psi) maximum pressure at 25 °C (77 °F) • Built-in temperature sensor for measurement • Digital probe stores model, firmware, serial number, and calibration information • Minimum maintenance 15 Process Instrumentation 15.60 | www.hannainst.com controllers
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