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15.1. REFERENCE CONDITIONS
This table indicates the reference conditions of the quantities used by default in the specifications listed in § 15.3.4.
Parameter
Ambient temperature
Humidity (relative humidity)
Atmospheric pressure
Phase-to-neutral voltage
Standard current circuit input voltage
®
(Except Flex
type current sensors)
Unamplified Rogowski current circuit input voltage
®
(Flex
type current sensors)
Amplified Rogowski current circuit input voltage
®
(Flex
type current sensors)
Frequency of electrical network
Phase shift
Harmonics
Voltage unbalance
Voltage ratio
Current ratio
Voltages
Current sensors
Power supply
Electric field
Magnetic field
(1) The values of A nom are given in the table below.
15.2. NOMINAL CURRENT ACCORDING TO TYPE OF SENSOR
Current sensor (except Flex
J93 clamp
SR193 clamp
MR193 clamp
MN93 clamp
MN193 clamp (100 A)
SL261 clamp (10 mV/A)
SL261 clamp (100 mV/A)
MN193 clamp (5 A)
5 A adapter
®
Essailec
adapter
15.
FUNCTIONAL SPECIFICATIONS
®
Nominal RMS current
)
(A nom ) [A]
3500
1000
1000
200
100
100
10
5
5
5
Reference conditions
73 ± 5 °F (23 ± 3 °C)
[45 %; 75 %]
[860 hPa; 1060 hPa]
[50 V
; 1000 V
] without DC (< 0.5 %)
RMS
RMS
[30 mV
; 1 V
] without DC (< 0.5 %)
RMS
RMS
(1)
■ A
⇔ 1 V
RMS
nom
(1)
■ 3 × A
÷ 100 ⇔ 30 mV
nom
[11.73 mV
; 391 mV
RMS
■ 10 kA
⇔ 391 mV
RMS
■ 300 A
⇔ 11.73 mV
RMS
[117.3 µV
; 3.91 mV
RMS
■ 100 A
⇔ 3.91 mV
RMS
■ 3 A
⇔ 117.3 µV
RMS
RMS
50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz
0° (active power and energy)
90° (reactive power and energy)
< 0.1 %
< 10 %
1 (unity)
1 (unity)
measured (not calculated)
actual (not simulated)
Battery only
< 1 V.m -1 for [80 MHz ; 1 GHz[
≤ 0.3 V.m -1 for [1 GHz ; 2 GHz[
≤ 0.1 V.m -1 for [2 GHz ; 2.7 GHz]
< 40 A.m -1 DC (earth's magnetic field)
Lower limit of the reference range
85
RMS
] without DC (< 0.5 %)
RMS
to 50 Hz
RMS
to 50 Hz
RMS
] without DC (< 0.5 %)
RMS
to 50 Hz
RMS
to 50 Hz
(3 × A nom ÷ 100) [A]
105
30
30
6
3
3
0.3
0.15
0.15
0.15
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