For many years little attention has been paid to the monitoring of breathing-air. DIN 3188 and the later European Standard DIN EN 12021 were considered as more or less discretionary provisions. Still many operators do not realize their responsibility and the consequences of their attitude.
Most operators settle for checking concentrations of contaminants once or several times a year with detector tubes and measuring saturation in the dryer cartridges.
If they carefully read this and other international standards, they would see that this is not sufficient. The European Standard 12021-2014 is absolutely mandatory and every operator of a filling station must ensure that breathing-air meets the provisions of the standard at all times.
Many operators still do not consider the standard to be mandatory, and only a few of them buy and install one of the optional monitoring systems manufacturers offer.
Already in 2009 IDE Compressors Manufaktur, the pioneer of monitoring the quality of breathing-air, was the very first among all compressor manufacturers to introduce and market a compressor-integrated, permanent online-monitoring system.
IDE Compressors has always been conscious of their responsibility as a manufacturer of breathin gair compressors – now, starting Sept 1st, 2016 we deliver all stationary professional compressors
from the IDE line with the new and refined IDE ULTIMATE online air-quality monitoring system with HMI and touch-screen as standard equipment.
Every 2 seconds the monitoring system tests the compressed air after the filter, with highest quality sensors made in Germany: it measures the concentrations of CO2, CO, O2, water in mg per m3, temperature, saturation of the dryer cartridge, optionally at the customer’s request, also NO and SO2.
Another option is testing oil according to the VOC regulations, and with us as the only manufacturer, also residual oil with a concentration of up to 0.001 mg per m3.
The latest version of DIN EN 12021-2014 has a somewhat clearer wording and includes an additional reference to DIN 8573 regarding residual oil. The VOC measurement alone is not sufficient for meeting the requirements of DIN 8573.
There is also an option to install a second sensor unit, which scans for CO2, combustible gases and the temperature in the intake air before it enters the compressor, and controls the compressor accordingly.
All measurements are saved in the unit and can be obtained via USB or LAN interface as a .csv file.
IDE offers a label printer to print out these data to stick them onto the filled cylinder.Only a system like this can truly ensure that the breathing-air delivered for filling cylinders always meets the provisions of DIN EN 12021 and other standards, and that the operator is never exposed to any liability risk.