LEM developed the DVC 1000-P to fully comply with IRIS (International Railway Industry Standards), providing railway engineers working with rolling stock and substations with a versatile new transducer that can also be used to measure DC links, inverter output voltage, 4-quadrant converter input voltage, or battery voltage. The DVC 1000-P's voltage transducer characteristics also make it excellent for a wide range of low- and medium-voltage measurements in industry.
The DVC 1000-P transducer measures voltages by connecting directly to the primary winding through an internal resistive network and a few components that allow the signal to be fed into an isolation amplifier. An isolated signal is recovered and conditioned to supply a voltage to the transducer's output connections, which is an exact representation of the primary voltage. No other components are required for its use; simply connect it to the voltage you wish to measure.
It offers excellent overall accuracy of +/- 1% at +25°C with high temperature stability, resulting in overall accuracy of +/- 1.5% for an operating temperature range of -40°C to +85°C. Its measurement frequency bandwidth (-3dB point) is 47 kHz, and the DVC 1000-P consumes only 35 mA with no voltage on the primary side and a +5V DC supply voltage.
This compact model weighs only 22g, making it over 60% lighter than other transducers on the market for a similar voltage range. Other key features include compliance with various international safety standards and IRIS specifications. It boasts a response time of 10µs at 90% of nominal voltage.
The DVC 1000-P, designed by LEM in accordance with the latest traction and industry standards, uses materials that meet all mandatory fire and smoke requirements for railway applications. It bears the CE mark and comes with a five-year warranty, like all LEM products for the railway sector.
