Voltage Transducer LV 25-1000
VPN = 1000 V
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).
Electrical data
VPN
VP
IPN
Primary nominal r.m.s. voltage
Primary voltage, measuring range
Primary nominal r.m.s. current
Measuring resistance
1000
0 .. ± 1500
8
V
V
mA
Features
· Closed loop (compensated) voltage
transducer using the Hall effect
· Transducer with insulated plastic
case recognized according to
UL 94-V0
· Primary resistor R 1 and transducer
mounted on printed circuit board
128 x 60 mm.
RM
RM min
RMmax
with ± 12 V
@ ±1000 Vmax
30
30
100
100
200
100
320
180
W
W
W
W
@ ±1500 Vmax
@ ±1000 Vmax
@ ±1500 Vmax
with ± 15 V
ISN
KN
VC
IC
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test 1), 50 Hz, 1 mn
25
mA
1000 V / 25 mA
± 12 .. 15
10 (@±15V)+IS mA
V
Advantages
Vd
4.1
kV
· Excellent accuracy
· Very good linearity
· Low thermal drift
· High immunity to external
interference.
Accuracy - Dynamic performance data
XG
Overall Accuracy @ VPN , TA = 25°C
Linearity
± 0.8
< 0.2
%
%
e
L
Applications
Typ
Max
± 0.15 mA
IO
IOT
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
· AC variable speed drives and servo
motor drives
· Static converters for DC motor drives
· Uninterruptible Power Supplies
(UPS)
- 25°C .. + 25°C
+ 25°C .. + 70°C
± 0.10 ± 0.60 mA
± 0.10 ± 0.60 mA
tr
Response time @ 90 % of VP max
40
µs
· Power supplies for welding
applications.
General data
TA
TS
N
Ambient operating temperature
Ambient storage temperature
Turns ratio
Total primary power loss
Primary resistance @ TA = 25°C
- 25 .. + 70
- 40 .. + 85
3100 : 1000
8
125
110
°C
°C
P
W
kW
W
R1
RS
m
Secondary coil resistance @ TA = 70°C
Mass
Standards
60
g
2)
EN 50178
1)
Notes : Between primary and secondary
2)
A list of corresponding tests is available
980909/2
LEM Components
www.lem.com