Highly Versatile Measuring, Control and Warning Unit for Gas Sensors

ADOS’ (Germany)  FlexADOS 914 LON is a highly reliable measuring, control and warning unit for gas sensors. It continuously monitors the ambient air and provides an early warning of harmful, explosive and non-flammable gases and vapours. Together with the TOX 914 LON gas transmitters, FlexADOS 914 LON fulfils VDI guideline 2053 from December 2014 and also EN 50271:2011 (SIL 1).

FlexADOS 914 LON has been successfully used in a wide variety of applications, mainly in underground carparks and tunnels.

ADOS’ versatile unit can control up to 60 digital LONbus sensors (TOX 914 LON, LCTR 404 LON) with 5 alarm thresholds per sensor (Averaging from 1 to 60 minutes possible, 2 levels - fan areas - can be displayed), independently adjustable from 10 to 90% of the measuring range. It is easy to assemble and simple to use; there is a menu-guided setting of the device parameters using 6-part keyboard,  a graphic LCD display shows actual values, mean values and faults in plain text and an indicator for operation, malfunction, maintenance or power failure. Users are offered a maximum of 14 potential-free changeover contacts to control further warning and control facilities and potential-free changeover contact for malfunction, maintenance and power failure.

The FlexADOS 914 LON is enclosed in an IP54 rated plastic wall housing, has very low power consumption and can operate with an uninterrupted power supply. A range of accessories, such as warning lights and horns are available as wells as further items for operators with more complex measuring tasks.