| 摘要 |
A conductive fluid probe, one particularly used in sensing a boiler water, is operated with pulsed energy from the charging and discharging of a capacitor. The charging is allowed to occur in a normal resistance-capacitor manner, while the discharge is rapidly accomplished. The energy of both halves of the charge and discharge cycle are substantially the same even though the magnitudes of peak voltages are substantially different thereby operating the probe with a minimum of electrolysis and a maximum cleaning action.
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