| 摘要 |
FIELD: physics. ^ SUBSTANCE: moisture measurement device has a high-frequency controlled pulse generator 1, a voltage-to-current converter 2, a measuring two-terminal element on a LC-circuit 3, a capacitance sensor 4, a first pulse former 5, a phase comparator 6, a second pulse former 7, a data processing unit, a bidirectional counter 9, a clock pulse generator 10, a digital-to-analogue converter 11, an amplitude detector 12, a differential amplifier 13, a reference voltage source 14 and a display unit 15. ^ EFFECT: more accurate measurement of moisture and wider control range. ^ 2 dwg |
