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The Rosemount 39000110 General Purpose pH Sensor / pH probe with SMART Preamplifier delivers fast, accurate and stable pH measurement ideal for testing pH levels (0 to 14) of aqueous solutions in pipelines, open tanks, and ponds. The reliable pH sensor has an operating temperature of 14 to 212 degrees Fahrenheit (-10 to 100 degrees Celsius) and a maximum pressure of 100 psig. The 3900 series is suitable for general use in most industries, especially water and wastewater applications.For ease of use, an integral SMART preamplifier features automatic recognition of pH sensors by Rosemount transmitter models 1066, 1057, 1056 and 56, enabling it to store pH data for advanced calibration and Plug-and-Play installations in the field.Designed to deliver enhanced performance and increased life, the pH meter has a rugged, fully encapsulated polyphenylene sulfide body that eliminates leaks and high humidity issues found in other pH measurement devices and offers maximum chemical resistance. Crack-resistant AccuGlass pH glass extends sensor life and a porous Teflon double junction provides protection from harmful ions like ammonia, chlorine, cyanides and sulfides, thereby delivering faster response times with decreased drift.Versatile mounting configurations include 3/4-inch and 1-inch MNPT front and rear facing connections for easy installation and pH/ORP measurement through insertion, submersion or flow-through methodsThe 39000110 pH sensor has a 32-foot cable with integral SMART preamplifier. Model 3900VP comes with a quick disconnect Variopol (VP8) connector.The tireless pursuit of innovation drives the Rosemount portfolio of superior quality measurement and analytical technologies to provide customers with insight across all touch points needed to operate efficiently, safely, and with peace of mind.