Chauvin Arnoux pel 102, Руководство пользователя

Страница: 55 / 86

55
6. SPECIFICATIONS
Uncertainties are expressed as a percentage (%) of the reading (R) plus an offset:
± (a%R + b)
6.1. REFERENCE CONDITIONS
Parameter Reference Condition
Ambient temperature 23 ± 2 °C
Relative humidity 45 to 75% RH
Voltage No DC component in AC, no AC component in DC (< 0.1 %)
Current No DC component in AC, no AC component in DC (< 0.1 %)
Phase voltage [100 V rms ; 1000 V rms ] without DC (< 0.5%)
Input voltage of current inputs (except AmpFlex
®
/ Min
i
Flex
®
)
[50 mV; 1.2 V] without DC (< 0.5%) for AC measurement,
without AC (< 0.5%) for DC measurement
Supply system frequency 50 Hz ± 0.1 Hz and 60 Hz ± 0.1 Hz
Harmonics < 0.1%
Voltage unbalance 0%
Preheating Device powered for at least an hour
Common mode
Neutral input and enclosure are held at earth potential
Instrument powered on battery, USB disconnected.
Magnetic field 0 A/m AC
Electric field 0 V/m AC
Table 6
6.2. ELECTRICAL SPECIFICATIONS
6.2.1. VOLTAGE INPUTS
Operating Range:
up to 1 000 V rms for phase-to-neutral and phase-to-phase voltages.
Phase-to-neutral voltages lower than 2 V and phase-to-phase voltages lower than 3.4 V are zeroed.
Input Impedance: 1908 k
W
(phase-to-neutral)
Max Overload:
1100 V rms (phase-to-neutral) at full scale
6.2.2. CURRENT INPUTS
Current sensor outputs are voltages.
Operating Range: 0.5 mV to 1.2 V (1 V = Inom) with crest factor = √ 2 at full scale
and at least 2.2 at 3% of full scale
In current measurements, the PEL104 can withstand a peak factor of 4.1 up to 40% of Inom and 1.7 at Inom.
Input Impedance: 1 M W (except for AmpFlex
®
/ Min i Flex
®
current sensors)
12.4 k W (AmpFlex
®
/ Min i Flex
®
current sensors)
Max Overload: 1.7 V