| 摘要 |
<p>Measurement system and procedure suitable for measuring a voltage differential, the system comprising a measurement unit (1) having a first ground (10) as voltage reference and comprising a microcontroller (7) with an analog-digital converter (5), a sensor (2) having a second ground (20) as voltage reference, said second ground (20) being able to exhibit a potential difference with respect to the first ground (10), said measurement unit (1) having a first input (11) connected directly to the signal output (21) of the sensor (2), and a second input (12) connected directly to said second ground (20), the first and second inputs (11, 12) being linked to digital inputs (61, 62) of the microcontroller (7) through circuits for conditioning (31, 32, 41, 42) and analog-digital conversion (51, 52).</p> |
