| 摘要 |
PURPOSE:To uniformize the sample temperature with an inexpensive equipment, by applying forward and backward driving signals to a driving mechanism in alternately at a short cycle to swing a plurality of samples longitudinally to agitate. CONSTITUTION:A pulse motor 3 for driving a sample cell holder 1 is controlled in the forward and reverse rotation thereof and the stoppage by a signal from a drive controlling circuit C. Then, the holder 1 perform a horizontal reciprocation in the periods A, D, G and J during which positive and negative signals are changed from one to the other and a measurement is done during the stoppage periods B, E, H and K. In the periods C, F and I following these, the pulse motor 3 rotates forward to transfer the holder 1 by one space to the right. In the final period L, the motor 3 reverses to return the holder 1 to the original position and thus, a set of four measuring operations are completed. Here, in the periods A,D, G and J during which the holder 1 reciprocates, samples are agitated internally with the shaking thereof thereby enabling the uniformization of the temperature distribution in a sample cell. |
