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Voltage Transducer LV 100-50
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).
VPN = 50 V
Electrical data
V PN VP I PN RM Primary nominal r.m.s. voltage Primary voltage, measuring range Primary nominal r.m.s. current Measuring resistance with 15 V ISN KN VC IC Vd @ 50 V max @ 75 V max 50 V 0 .. 75 V 200 mA RM min RM max 0 0 170 90 mA V mA kV
Features
* Closed loop (compensated) voltage * Insulated plastic case recognized * Primary resistor R 1 incorporated into
the housing. according to UL 94-V0 transducer using the Hall effect
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 50 V / 50 mA 15 10 + I S 6
Advantages
* * * *
Excellent accuracy Very good linearity Low thermal drift High immunity to external interference.
Accuracy - Dynamic performance data
XG
L
Overall Accuracy @ VPN , T A = 25C Linearity Offset current @ IP = 0, T A = 25C Thermal drift of IO Response time @ 90 % of VPN
0.7 < 0.1 Typ Max 0.2 0.3
% % mA mA s
Applications
* AC variable speed drives and servo * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies * Power supplies for welding
applications. (UPS) motor drives
IO IOT tr
0C .. + 70C
0.2 40
General data
TA TS N P R1 RS m Ambient operating temperature Ambient storage temperature Turns ratio Total primary power loss Primary resistance @ T A = 25C Secondary coil resistance @ T A = 70C Mass Standards 0 .. + 70 - 25 .. + 85 500 : 2000 10 0.25 60 850 EN 50178 C C W k g
030415/2
LEM Components
www.lem.com
Dimensions LV 100-50
(in mm. 1 mm = 0.0394 inch)
Front view
Left view
Connection
Top view Mechanical characteristics
* General tolerance * Transducer fastening * * * *
Fastening torque max Connection of primary Connection of secondary Connection to the ground Fastening torque max 0.3 mm 2 holes 6.5 mm M6 steel screws 5 Nm or 3.69 Lb - Ft. M5 threaded studs Faston 6.3 x 0.8 mm M5 threaded stud 2.2 Nm or 1.62 Lb. -Ft.
Remarks
* IS is positive when VP is applied on terminal +HT. * The primary circuit of the transducer must be linked to the * This is a standard model. For different versions (supply
voltages, turns ratios, unidirectional measurements...), please contact us. connections where the voltage has to be measured.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.

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