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2November2022/Version 5
LEM reserves the right to carry out modifications on its transducers,
in order to improve them.
LEM International SA
Route du Nant-d’Avril, 152
1217 Meyrin
www.lem.com
ITZ 2000-SB FLEX ULTRASTAB
Electrical data
At
T
A
= 25 °C unless otherwise noted.
Parameter
Symbol
Unit
Min
Typ
Max
Comment
Primary continuous direct current
I
P N DC
A
−2000
2000
Primary nominal RMS current
I
P N
A
1414
Primary current, measuring range
I
P M
A
−2000
2000
Measuring resistance (option)
R
M
Ω
0
0.5
Secondary current
I
S
A
−2
2
(Analog) secondary voltage
U
S
V
−10
10
Sensitivity
S
V/A
1/200
Resistance of secondary winding
R
S
Ω
2.7
Primary withstand peak current (max)
1)
Î
P max
kA
10
Mains supply RMS voltage
V
100
240
Rated power supply frequency
f
Hz
50/60
Power consumption
I
P
= 0 A
@ Mains supply = 230 V RMS
P
C
W
VA
38
82
Average
Peak
Power consumption
I
P
=
I
P N DC
(2000 A)
@ Mains supply = 230 V RMS
P
C
W
VA
76
116
Average
Peak
RMS noise current 0 … 10 Hz
2)
U
no
ppm
0.1
RMS noise current 0 … 10 kHz
2)
3
RMS noise current 0 … 100 kHz
2)
60
Re-injected RMS noise on primary bus bar
0 ... 100 kHz
µV
10
Temperature coefficient of
S
2)
TCS
ppm/K
−2
2
10 °C .. 40 °C
Temperature coefficient of
U
O E
2)
TCU
O E
ppm/K
−0.3
0.3
10 °C .. 40 °C
Electrical offset voltage
2)
U
O E
ppm
−3
3
Offset stability
2)
ppm/month
−1.5
1.5
Sensitivity stability
2)
ppm/month
−2
2
Linearity error
2)
ε
L
ppm
−11
11
Sensitivity error
2)
ε
G
ppm
−50
50
Delay time @ 90 % of the final output
value
I
P N DC
step
t
D 90
µs
1
With a
d
i
/d
t
≥ 50 A/µs
Frequency bandwidth (±3 dB)
BW
kHz
0
300
Small-signal
bandwidth,
1 % of
I
P N
DC
d
i
/d
t
accurately followed
d
i
/d
t
A/µs
50
Notes:
1)
Single pulse of 100 ms only, not AC. The transducer may require a few seconds to return to
normal operation when autoreset system is running.
2)
All ppm figures refer to full-scale which corresponds to an analog secondary voltage (
U
S
) of 10 V.
