Het gebruik van intelligente sensoren reduceren tijd en onderhoudskosten en verhogen daarnaast de veiligheid van de werkomgeving bij Saint-Gobain Isover G+H AG.
Stone wool manufacturer
Saint-Gobain Isover G+H AG is the leading manufacturer in Germany of glass wool and stone wool fireproof insulating materials, and is a market leader in the German mineral wool market.
Intelligent Sensor Management
When pH measurement for monitoring cooling water quality had to be replaced at Isover’s Ladenburg plant, the company decided in favor of METTLER TOLEDO’s InPro4260i pH electrode with Intelligent Sensor Management (ISM) technology, together with our iSense software and the M700 transmitter. Isover considers it important that the electrode “reports” when it requires service. This is possible thanks to ISM’s sensor diagnostics. METTLER TOLEDO’s digital sensors equipped with ISM technology have a chip in the sensor head in which all relevant sensor parameters and algorithms for extended sensor diagnostics are stored.
Predictive maintenance
The purpose of ISM is to make it possible to schedule sensor maintenance in order to perform it at the time it is required. Based on years of experience in pH measurement technology, METTLER TOLEDO has developed algorithms that can be used to predict when maintenance will be needed.
The current process conditions such as pH, temperature, membrane and diaphragm resistances, and the number of CIP and SIP cycles can be continuously monitored. The resulting load matrix for the respective sensor facilitates on the one hand diagnosis in the event of measurement problems, and on the other makes it possible to forecast the time to the next required calibration or adjustment, as well as remaining service life.
Improved procedures
With the dynamic display of service life which provides information on when the sensor should be replaced, the determination of the next calibration date using the Adaptive Calibration Timer and the electronic recording of calibration history, ISM sensors, together with METTLER TOLEDO’s iSense software, provide a decisive advantage.
With iSense software ISM sensors can be calibrated, managed and evaluated directly on a PC via a USB cable, without the use of a transmitter. It is therefore possible to calibrate sensors under controlled laboratory conditions for the next deployment. Whether and for how long a sensor can continue to be used after cleaning, conditioning and recalibration can thus be determined by personnel in the laboratory, before sensor redeployment.
In the near future, Isover will deploy ISM technology at their Speyer plant where there are several measuring points which are difficult to calibrate because of spatial conditions. The calibration process using sensors and buffer solutions is frequently made impractical due to confined space or poor weather. Such procedures are eliminated via the use of pre-calibrated ISM sensors by untrained personnel right at the measurement point. Thus, maintenance costs can be reduced and when calibration in these difficult to access measurement points is eliminated, work will also be safer.