Michell Instruments QMA601 process moisture analyser

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The Michell Instruments QMA601 process moisture analyser is designed for easy retrofit into existing systems. This enables older plants to take advantage of the latest developments in quartz crystal microbalance technology for trace moisture measurements.

The product can be installed as a self-contained analyser or sampling system package within hazardous areas (IEC Zone 1 or 2, NEC Class I, Division 1 or 2), making it easy to retrofit to an existing site.

Integrating the analyser into existing control systems is straightforward, as the analyser is equipped with two analog outputs which are configurable for either current or voltage scaling. Modbus RTU protocol over RS485 is also provided to enable easy connection to a SCADA or similar data acquisition device. A colour touch-screen interface enables users to monitor, log and configure the analyser in the hazardous zone with no need for a hot-works permit or any disruption to the process. Operation from a control room is also possible with dedicated remote application software.

The analyser is available powered with either AC or DC. No barrier unit or safety earth is needed, which saves on both cost and inconvenience for the user. The device is supplied with a sample conditioning system designed in-house by Michell’s engineers and optimised for both the analyser itself and the specific application.

The analyser is fully certified for use in hazardous areas, with accreditations from ATEX, IECEx and cCSAus.