This report describes the work made by the laboratory of calibration of electrical multifunction automatic instruments of the National Institute of Metrological Research (INRIM) concerning the metrological verification of a high precision TRANSMILLE mod. 8081 digital multimeter (DMM) recently produced in order to assess its accuracy and stability compared with its specifications. The instrument was tested in a six months period in the five basic electrical low frequency fundamental quantities (dc and ac voltage and current and dc resistance). Its stability and precision were compared with its accuracy manufacturer specifications and a performance index of the DMM was evaluated for each examined measurement point. The DMM showed to be in agreement with its specifications so it can be considered at the level of other top-class DMMs and in some measurements points its specifications are even better. In addition, its high current (up to 30 A range), low currents (down to 10 nA range) DC Resistance up to 2 T functions are useful and not available in other DMMs. Technical dealing with TRANSMILLE was satisfactory.

Evaluation of the TRANSMILLE mod. 8081 high precision digital multimeter by the INRIM calibration laboratory of multifunction electrical instruments / Galliana, F.; Lanzillotti, M.. - (2016), pp. 1-44.

Evaluation of the TRANSMILLE mod. 8081 high precision digital multimeter by the INRIM calibration laboratory of multifunction electrical instruments

F. Galliana;M. Lanzillotti
2016

Abstract

This report describes the work made by the laboratory of calibration of electrical multifunction automatic instruments of the National Institute of Metrological Research (INRIM) concerning the metrological verification of a high precision TRANSMILLE mod. 8081 digital multimeter (DMM) recently produced in order to assess its accuracy and stability compared with its specifications. The instrument was tested in a six months period in the five basic electrical low frequency fundamental quantities (dc and ac voltage and current and dc resistance). Its stability and precision were compared with its accuracy manufacturer specifications and a performance index of the DMM was evaluated for each examined measurement point. The DMM showed to be in agreement with its specifications so it can be considered at the level of other top-class DMMs and in some measurements points its specifications are even better. In addition, its high current (up to 30 A range), low currents (down to 10 nA range) DC Resistance up to 2 T functions are useful and not available in other DMMs. Technical dealing with TRANSMILLE was satisfactory.
Evaluation of the TRANSMILLE mod. 8081 high precision digital multimeter by the INRIM calibration laboratory of multifunction electrical instruments / Galliana, F.; Lanzillotti, M.. - (2016), pp. 1-44.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11696/54767
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