Patent ID: 6622546
Filing Date: 2003-09-23
Classification: G01N

Abstract:
A moisture content tester for non-destructive multipurpose testing for, testing water containment on objects to be tested, and which is carried out in a single machine and has a material-handling apparatus that may remove the material after being tested therefrom, comprising:a shell body, having an accommodation space; a circuit plate, positioned in the accommodation space, and having a circuit for processing temperature sensing data, generate high frequency, and receive high frequency; a temperature compensation temperature-sensing bar, of which one end is connected to the circuit plate and another end is protruded out the shell body for sensing of temperature value; at least an emitting pole, having one end connected to the circuit plate and protruded out of the shell body through one side of the shell body, and which is coupled to the circuit capable of generating high frequency to make a high frequency wave be emitted from the emitting pole-plate; at least a receiving pole protruding out of the shell body spaced from the emitting pole, and coupled to the circuit capable of receiving high frequency to make the high frequency emitted from the emitting pole and the high frequency received by the circuit being converted into high frequency signals; and a controlling unit, which is coupled to the circuit plate, and the high frequency signals received by the receiving pole and temperature value sensed by the temperature compensation temperature-sensing bar are all transferred to the controlling unit through the circuit plate, and the corresponding value of water containment can be calculated out by the controlling unit according to the high frequency signals and in matching with the temperature value; wherein, the emitting pole is shown as a fin-shaped structure, of which upper side has an inclining side; one side of the shell body is shown as an opening shape and is an opening side, through which the circuit plate is made to be set into the accommodation space, and the receiving pole is shown as a covering plate shape, which may just be covered on the opening side of the shell body, and on the receiving pole, there is arranged with an opening and at least a fin, and the position and form of the opening is matched with the emitting pole to provide the inclining side of the emitting pole to protrude through the receiving pole, and the extension direction of protrusion of the fin is matched with the receiving pole, and the fin is kept an appropriate distance with the receiving pole; wherein, the fin is larger than the emitting pole, and there is an inclining edge on the upper side of the fin; a further included insulation plate, which is located between the receiving pole and the circuit plate, and on which an opening groove is arranged at a position corresponding to the emitting pole for providing the inclining side of the emitting pole to protrude out the insulation plate, and the circumferential edge of the opening groove is arranged with protruding edge to make itself be just set in between the opening of the receiving pole and the emitting pole to prevent the emitting pole and the receiving pole from contacting to each other; a displaying unit further arranged on the controlling unit at least displays the sensed temperature value and water containment value.