Trace moisture analyser
Published: 10 July, 2015
MICHELL INSTRUMENTS reports it has launched its new trace moisture analyzer – the QMA401 – featuring the latest generation of quartz crystal microbalance (QCM) sensor and designed to provide consistently accurate measurements of trace moisture. This consistency is achieved via a self-calibration system which adjusts the analyzer against an internal moisture generator. Long term stability of these measurement corrections is guaranteed, as the moisture generator is supplied with a calibration traceable to NPL and NIST.
The company says maintaining the system is simple, infrequent and inexpensive. No service at all is required for 2 years, at which point the desiccant dryer must be replaced – a process that can be carried out by the user in less than 10 minutes. The internal moisture generator can be replaced simply in the field with a freshly calibrated unit from the factory after 3 years of operation.
Michell reports the long maintenance intervals of the product, in combination with the competitively priced spares means that the cost of owning a QMA401 over five years is less than half the cost of owning the leading competing product.
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