| 摘要 |
<p>MOISTURE MEASUREMENT APPARATUS Apparatus for measuring moisture in lumber and the like comprises a plurality of plates including at least one transmitting plate connected to a radio frequency generator, phase plates connected in circuit for providing an out of phase signal, and a receiver plate normally balanced to receive substantially zero signal input. Moist lumber next to the array of plates couples the radio frequency signal therealong and affects the balance of the system whereby the signal received at the receiver plate is in accordance with the moisture in the lumber.</p> |
