The two-pole resistive BL-M type voltmeter is designed to precisely and directly measure phase-to-earth voltages in three-phase medium voltage distribution networks of 10 – 24 kV / 50 Hz. Measured voltages are digitally displayed up to 19.99 kV. Thanks to its accurate measurement feature, the BL-M device can also be used for voltage calibration. The device is designed and built in accordance with IEC 61243-2. It is intended for the use on switchgears, transformers and other medium voltage applications. This device cannot be used as voltage detector according to EN 50110-1!
| Nominal frequency | 50 – 60 Hz (optional 16.7 Hz) |
| Measuring range | 0,01 – 19,99 kV AC (RMS) |
| Resolution | 0.01 kV |
| Measurement uncertainty | ±1 %, ±1 Digit |
| Indication "Ready" | 10 min. |
| Total length | 2,340 mm |
| Temperature range | 0 to +50 °C |
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