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Esol TE-MV
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Catalog excerpts

Esol TE-MV - 1

Esol TE-MV Galvanicaly Isolated 3 PhaseVoltage Sensor The Esol-TE-MV series is designed for high quality three-phase measurements in a very compact form factor. This series covers the ranges from 5kV to 10kV with up to 10kHz bandwidth and 0.2% accuracy. The Esol-TE-MV sensor operates as a differential divider network with an anti-aliasing filter on its output and galvanic ground isolation. It generates a ±5V scaled down version of the line-to-line and line-to-ground voltage on its input terminals. Depending on the software configuration, the sensor outputs phase-to-phase voltages for Delta configuration, or phase-to-ground for Wye configurations. This signal can then be processed by most computer based measurement platforms. One Esol-TE-MV replaces 3 line to line sensors, and only requires one cable for all three signals. This allows for very high channel densities, while delivering high performance for a low cost. All processed signals output from the IsoBlock unit are referenced in respect to the ground channel of the user’s data acquisition system. Integrated sensor noise (Referenced to input) Scaling Ratio (Using 5V standard output voltage) Differential input dynamic range Maximum working voltage (line-line and line-ground) HARDWARE DESCRIPTION The Esol-TE-MV is a differential voltage down-converter designed for 3-phase systems. It outputs all line-to-line and line-toground signal pairs. Delta or Wye measurements can be made depending on the input configuration of the digitizer being used (NRSE or Differential). The three input phases connect to the sensor via SHV-10kV connectors, while the conditioned signals from the sensor come out on a standard RJ-45 jack. The Esol-TE-MV can be mounted anywhere between the signal source and the data acquisition system. It’s case is DIN-rail mountable for easy setup. Integrated sensor noise (Referenced to input) Accuracy (percentage of reading) Gain (Using 10V standard output voltage) Input-Output non-linearity Output voltage Gain temperature drift Max total phase shift at 60Hz Common mode rejection at 60Hz Differential input dynamic range Withstanding common mode surge voltage (60Hz sinewave for 1 s) Withstanding differential mode surge voltage (60Hz sinewave) Power Supply Voltage Output type Output Offset Voltage (Referenced to output) Differential Input impedance Output impedance Mounting Type Connectivity (Connector for power in and signal out to/ from the sensor) Spring Cage connector Operating temperature Storage temperature Outer Dimensions Esol TE-MV connected and mounted on DIN-rail.

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Esol TE-MV - 2

MERCHANICAL DIMENSIONS HARDWARE CONFIGURATION A. SHV cable to Neutral of system to be measured. B. PlugJ-45 connector to Sensor output. This will connect sensor’s outputs as well as DAQ ground. C. Finaly connect voltage signals to sensor. THIS SENSOR IS NOT A SAFETY DEVICE AND IS NOT INTENDED TO BE USED AS A SAFETY DEVICE. This sensor is designed only to detect and read certain data in an electronic manner and perform no use apart from that, specifically no safetyrelated use. This sensor product does not include self-checking redundant circuitry, and the failure of this sensor product could...

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