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LEM Voltage Transducers (difficult to use ????)

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ozmongoose

Industrial
Feb 11, 2003
16
I have bought the LEM Voltage Transducers LV 25 -P for my experiment. As recommended in the datasheet, I used the RM as 100 Ohm, RM = 26KOhm to measure the voltage of 250V AC. The supply DC voltage is +/- 15VDC.
But the measured voltage at terminal M is always at 15V when V HT is > 0 , and -13.8 V when V HT = 0.

Could you please show me more details of how to use this transducer to measure ? (if possible, pls give me an example circuit)

Thank you very much
 
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