The HygroPro XP moisture transmitter is a compact, 4–20 mA transmitter designed to meet the needs of the most
demanding hazardous area applications. It features an integrated backlit display with a six-button programmable keypad, housed in an IP66/Type 4X rated explosion proof enclosure.
The integrated display and keypad allow easy navigation of the software for configuration of the probe measurement, analog and digital (HART) output, and other user functions and diagnostics. The HygroPro XP has builtin multi-drop networking capability via the digital HART interface that allows multiple units to be connected on a single network.
Using an industry-proven state-of-the-art aluminum oxide moisture sensor, the HygroPro XP features a built-in thermistor and optional pressure transducer to provide real-time measurement of the sample dew/frost point, temperature and pressure. This allows for the calculation and display of other moisture content parameters such as ppmv in gases, ppmw in liquids, pounds per million standard cubic feet in natural gas and more.
The glass-to-metal seal in the probe mount is certified to meet ANSL/UL 122701 single seal standards ensuring reliable isolation of the probe electronics from the process.
The HygroPro XP consists of a display head and a replaceable transducer element (RTE), which contains the aluminum oxide moisture sensor, thermistor and optional pressure transducer with associated electronics. The calibration data for the moisture and pressure sensors are stored on a nonvolatile EEPROM in the RTE, the user does not need to enter any calibration data manually when changing an RTE.
