PTS 400.3 PLUS Operation Manual_R02 Page 9/306
2. Introduction
General
PTS 400.3 PLUS Three-phase, fully automatic test system with class 0.02% reference standard and
integrated three-phase current and voltage source available in two versions. For many years, electricity
utility companies have realized the importance of performing measurements and tests, on-site, at the
metering installation. MTE continually supplies and develops new and improved products that reduces
and simplifies the on-site efforts. MTE’s latest meter test equipment with enhanced functionality and
high measurement accuracy does not only determine the accuracy of meters, but also provides addi-
tional information relating to the conditions at the respective mains points.
Modules
2.2.1 PRS 600.3 Portable Reference Standard / Power Quality Analyzer
The reference standard of the modular system is based on the well-known digital measurement value
retrieval, fast analogue-digital conversion and calculation of the values using fast signal processors.
As opposed to the past, reference standards are not only used as standards for meter testing in a
stationary meter test installation, but predominantly in the field for the measurement of all main param-
eters.
The PRS 600.3 is a combination of a three-phase Portable Reference Standard of class 0.02% and
an IEC 61000-4-30 Class A Compatible Power Quality Analyzer with 3 voltage and 3 current chan-
nels. The device is equipped with two 8.4” colours TFT VGA displays based on touch screen opera-
tion. The Reference Standard is used to test single and three phase meters, instrument transformers
and installations on site.
The Power Quality Analyzer is used to resolve disputes at contractual applications, for statistical sur-
veys, including EN 50160 reporting, and for online troubleshooting of different kind of power quality
problems.
The unit can be used with various types of clamp-on CTs and current and voltage sensors. There-
fore, it is possible to easily and accurately test both CT/PT and direct connected meters.
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