1. Introduction
The gas quality analyzer BlueEye™ Ex-D is designed and produced according to the state of the art and
generally recognized safety standards and directives. However, its use can entail dangers that are avoidable
by complying with this manual. The BlueEye™ Ex-D must only be used as intended and in technically sound
condition.
The BlueEye™ Ex-D is available in the following versions:
1. BlueEye™ Ex-D Extended
2. BlueEye™ Ex-D Renewable
3. BlueEye™ Ex-D Hydrogen
4. BlueEye™ Ex-D Ultragreen
This manual is applicable to all versions of the BlueEye™ Ex-D.
Unintended use of the device voids all warranty claims.
All of the following safety notices must be observed! Disregard of the safety notices can result in danger to the
life and limb or environmental and property damage.
1.1 Function of the BlueEye™ Ex-D
The BlueEye™ Ex-D is a MEMS (Micro-electromechanical systems) gas quality measurement device. The
integrated sensor unit combines Bright Sensors` patented dynamic viscosity measurement principle with other
MEMS based measurement techniques, like thermal conductivity and Integrated Infrared (INIR).
Based on Bright Sensors proprietary database of thousands of gas compositions, the gas combustion
properties are calculated by industry standards. Through correlative models the measurement properties are
then correlated to the gas combustion parameters.
Figure 1: Sensor cell
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