Filter
Top Products
4.3.6 Nominal range of use of influence quantities for measurands
Values of quantities which affect measurement errors to a minor degree for which the
magnitude of the measurement error is defined in this specification.
Voltage 50 .. 120% of nominal
Current 5 .. 120% of nominal
Frequency Nominal ±10%
Power factor (active/reactive 0.5 lagging .. 1 .. 0.8 leading ,importing
as appropriate)
Temperature -20°C to +70°C
Input waveform distortion 20% 3rd Harmonic distortion
Auxiliary supply voltage Nominal ±10%
Auxiliary supply frequency Nominal ±10%
Magnetic field of external origin 400A/m
Crest values of voltage and current must remain within
168% of nominal maximum rms values
4.3.7 Functional ranges
The functional ranges of measurands and of influence quantities for measurands
Values of measured quantities, components of measured quantities, and quantities which affect
measurement errors to a minor degree, for which the product gives meaningful readings.
Voltage 5 .. 120% of nominal (below 5% of nominal voltage,
current indication is only approximate)
Current 0 .. 120% of nominal
(2 .. 120% of nominal for Power Factor)
Frequency 45 .. 66 Hz
Power Factor 1 .. 0 leading or lagging, importing (active/reactive as
appropriate)
Temperature -20°C to +70°C
Active power (Watt) 0 .. 120% of nominal, 360 MW Max.
Reactive power (VAr) 0 .. 120% of nominal, 360 MVAr Max.
Apparent power (VA) 0 .. 120% of nominal, 360 MVA Max.
4.3.8 Screen
Update 0.5 second approx.
4.3.9 Standards
Terms, Definitions and Test Methods IEC688 (BSEN 60688)
IEC1036 (BSEN 61036)
EMC IEC 61326
51
Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03