PROBE FROM SYRINGE

THE PROBE WITH A SYRINGE.Excellent probes for the tester and other measuring instruments are obtained from … disposable syringes. To do this, in the bottom of a plastic cap with an awl is pierced through hole, and the plastic part of the needle is cut off (shown dashed). Remains dull the needle with a needle file, and to the other end to solder stranded wire, end of which is passed through the cap and in the same way is attached to the second disposable syringe. To get the male connector for connection to the terminals of the measuring device, the needle is wound a copper wire of the desired diameter and sealed.
 
M. POVALYAEV, Yelets

Recommend to read

  • CALL TO TASTECALL TO TASTE
    If you don't like the sharp sound of your electric bell, put on his bell under the hammer of the vibrator piece of adhesive plaster. And make the sound more melodic by replacing the bell...
  • A THERMOMETER FOR ALLA THERMOMETER FOR ALL
    In many cities on the lively streets and highways have electronic thermometers. Some of them, with light of a mercury column, like an ordinary thermometer, the other made in the form of...