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| Voltage Transducer LV 100-750 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 = 750 V Electrical data VPN VP IPN 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 @ 750 V max @ 1125 V max 750 V 0 .. 1125 V 13.33 mA R M min R M max 0 0 170 90 Features *Closed loop (compensated) voltage transducer using the Hall effect *Insulated plastic case recognized according to UL 94-V0 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 750 V / 50 mA 15 V 10 + IS mA 6 kV *Primary resistor R 1 incorporated into the housing. Advantages *Excellent accuracy *Very good linearity *Low thermal drift *High immunity to external interference. Accuracy - Dynamic performance data XG L Overall Accuracy @ VPN , TA = 25C Linearity Offset current @ IP = 0, TA = 25C Thermal drift of IO Response time @ 90 % of VP max 0.7 < 0.1 Typ Max 0.2 0.3 % % mA mA s Applications *AC variable speed drives and servo motor drives IO IOT tr 0C .. + 70C 0.2 100 *Static converters for DC motor drives *Uninterruptible Power Supplies (UPS) General data TA TS N P R1 RS m Ambient operating temperature Ambient storage temperature Turns ratio Total primary power loss Primary resistance @ TA = 25C Secondary coil resistance @ TA = 70C Mass Standards 1) 0 .. + 70 - 25 .. + 85 7500 : 2000 10 56.25 60 850 EN 50178 C C W k g *Power supplies for welding applications. Note : 1) A list of corresponding tests is available 981105/3 LEM Components w w w .lem.com Dimensions LV 100-750 Front view (in mm. 1 mm = 0.0394 inch) Left view Secondary terminals Terminal + : supply voltage + 15 V Terminal M : measure Terminal - : supply voltage - 15 V Terminal : ground or earth Connection Top view Mechanical characteristics *General tolerance *Fastening *Connection of primary *Connection of secondary *Connection to the ground *Fastening torque 0.3 mm 2 holes 6.5 mm 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 connections where the voltage has to be measured. *This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
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