Mettler-Toledo smart pH sensors and iSense software

A significant issue in the operation of in-line process analytical measurement systems is in not knowing when pH sensors will require maintenance or if a sensor is going to fail unexpectedly.

ISM is a digital platform for analytical sensors that increases process reliability, simplifies sensor handling and reduces maintenance. At its core, the product features a series of algorithms that continuously monitor a sensor’s health and provide diagnostic tools that predict when maintenance will be required and when a sensor will reach the end of its reliable lifetime.

Updated ISM algorithms allow pH sensors to actually learn from the conditions in a process. ‘Sensors That Learn’ is said to deliver more accurate sensor health diagnostics, quicker than previous versions, and to enhance the consistency of sensor lifetime information.

iSense software is a support and maintenance tool for ISM sensors. When a sensor is connected to a PC running the software, all relevant data is displayed on the software’s iMonitor screen using simple colour coding, allowing at-a-glance evaluation of the probe. Should the diagnostics recommend that the sensor needs servicing or calibration, iSense guides operators step by step to a successful end result. The latest version offers features such as transferring learned data on applications between sensors to provide high assurance of sensor performance from first installation.

For the pharmaceutical industry, a version of iSense is available that is compliant with 21 CFR Part 11, which enhances the security of eDocumentation.