LV 28-P voltage sensor is isolated between primary and secondary sides, mainly used to measure DC, AC and pulse voltage.
This manual describes the LV28-P voltage sensor from LEM, covering its electrical parameters, mechanical dimensions, and recommended installation practices. It includes tables of rated currents, accuracy, temperature limits and wiring details.
Key sections cover performance characteristics, handling precautions, and mechanical drawing dimensions, helping users integrate the sensor into measurement circuits while ensuring reliable operation under the specified environmental conditions. This manual is written in Japanese.
| Rated primary current | 10 mA |
|---|---|
| Rated secondary current | 25 mA |
| Primary current measurement range | 0 – 14 mA |
| Accuracy (±) at 25 °C | 0.6 % |
| Operating temperature range | 0 °C – 70 °C |
| Storage temperature range | -25 °C – 85 °C |
| Primary resistance at 70 °C | 250 Ω |
| Secondary resistance at 70 °C | 110 Ω |
| Dimensions (L×W×H) | ≈ 39 mm × 4 mm × 4 mm |
The rated primary current is 10 mA.
The sensor can operate from 0 °C up to 70 °C.
It offers an accuracy of ±0.6 % at 25 °C.
The rated secondary current is 25 mA, with a voltage range of +15 V to +24 V (and -15 V to -24 V for the negative terminal).