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Rotronic HygroFlex5-EX - 2 Overview

Rotronic HygroFlex5-EX
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D-M-HF520-EX-V1_12
Rotronic AG
Bassersdorf, Switzerland
HygroFlex5-EX
Humidity & Temperature Transmitter
Instruction Manual
Page
4 of 23
2 Overview
The HygroFlex5-EX series of humidity & temperature transmitters is designed for fixed installation in applications
where high measurement accuracy is required. The transmitters can be used with all ROTRONIC ATEX probes in
the AirChip 3000 series. Standard probes may not be used.
The HygroFlex5-EX has two analog current outputs for relative humidity, temperature or a derived parameter, e.g.
dew point, enthalpy, mixing ratio, etc. The HygroFlex5-EX transmitter has an internal digital service interface.
Digital communication with a PC allows simultaneous monitoring of three parameters: relative humidity,
temperature and calculated value. The HygroFlex5-EX can measure within the ranges of 0 to 100 %RH
and 100 to 200C (-148 to 392F). The working temperature range of the electronics is limited to -40 ... 60°C
(-10 ... 60°C with optional LCD).
The probes are equipped with proven, durable sensors.
User-configurable adjustments
Calculation of humidity parameters such as dew point or frost point
Interchangeable probes for humidity and temperature calibration and adjustment outside Ex zones
Simulator mode
Simple updating of the firmware for both the HygroFlex5-EX transmitter as well as the Hygroclip-2 probe keeps
the devices in the HygroFlex5-EX series up to date with improved functionality.
Note:
The housings for all types with display are designed for horizontal mounting.

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