February 2009Maintenance, Test & Measurement, Calibration
With its new CED7000 process calibrator, the WIKA Calibration Line offers a high-precision product for electrical measures. It works with an accuracy of 0,003% of reading, with both measuring and simulation functions united in just one instrument.
Due to its capabilities the CED7000 is particularly suitable for test operations in temperature measurement applications. In addition to current and voltage outputs, it includes connections for the simulation and measurement of 13 different thermocouples and nine different resistance thermometers. As well as these, a connection for external pressure sensors is included. Its fully-isolated measuring channel enables, in addition to voltage and current measurement, a 24 V supply voltage for the complete calibration of transmitters. Furthermore, a 250 HARTTM resistance can be activated.
Among the many outstanding performance features of the new calibrator are its beryllium-copper connectors, the ability to pre-define up to nine set points and the accommodation of resistance thermometers with customer-specific parameters. Control of this high-precision instrument is user-friendly: either via direct input or through a PC, using RS232, IEEE-488 or a USB interface.
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Microdieseling is a pressure-induced thermal degradation mechanism in which entrained air bubbles are compressed so rapidly that the surrounding oil ignites, producing soot, varnish and sludge. WearCheck explains how it happens, why the damage varies, and how oil analysis detects it.
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Read more...When maintenance-system compliance starts replacing plant reliability Wearcheck
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Read more...Nitration: the acid you didn’t see coming Wearcheck
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