Voltage Transducer LV 100-300
For the electronic measurement of voltages : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high voltage)
and the secondary circuit (electronic circuit).
V
PN
= 300 V
Electrical data
V
PN
V
P
I
PN
R
M
Primary nominal r.m.s. voltage
Primary voltage, measuring range
Primary nominal r.m.s. current
Measuring resistance
with ± 15 V
I
SN
K
N
V
C
I
C
V
d
@ ± 300 V
max
@ ± 450 V
max
300
V
0 .. ± 450
V
33.33
mA
R
M min
R
M max
0
0
170
90
Ω
Ω
Features
•
Closed loop (compensated) voltage
transducer using the Hall effect
•
Insulated plastic case recognized
according to UL 94-V0
•
Primary resistor
R
1
incorporated into
the housing.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
50
mA
300 V / 50 mA
± 15
V
10 +
I
S
mA
6
kV
Advantages
•
Excellent accuracy
•
Very good linearity
•
Low thermal drift
•
High immunity to external
interference.
Accuracy - Dynamic performance data
X
G
ε
L
Overall Accuracy @
V
PN
,
T
A
= 25°C
Linearity
Offset current @
I
P
= 0,
T
A
= 25°C
Thermal drift of
I
O
Response time @ 90 % of
V
P max
± 0.7
< 0.1
Typ
Max
± 0.2
± 0.3
%
%
mA
mA
µs
Applications
•
AC variable speed drives and servo
motor drives
•
Static converters for DC motor drives
•
Uninterruptible Power Supplies
(UPS)
•
Power supplies for welding
applications.
I
O
I
OT
t
r
0°C .. + 70°C
± 0.2
80
General data
T
A
T
S
N
P
R
1
R
S
m
Ambient operating temperature
Ambient storage temperature
Turns ratio
Total primary power loss
Primary resistance @
T
A
= 25°C
Secondary coil resistance @
T
A
= 70°C
Mass
Standards
1)
0 .. + 70
- 25 .. + 85
3000 : 2000
10
9
60
850
EN 50178
°C
°C
W
k
Ω
Ω
g
Note :
1)
A list of corresponding tests is available
980709/2
LEM Components
w w w .lem.com
LEM [ LEM ]
