plastic mouldings Testing Equipment
Mouldings can be checked for defects by the use of high voltage testers.
As an example, battery boxes can be tested for faults by placing the box on a metal plate. By applying a test voltage to an electrode inside the box, the moulding can be checked thoroughly, particularly at the injection points and any faults found. A battery powered PD or PHD Pinhole Detector can be used to perform the tests manually but a mains powered DCCT is more suitable if the process is to be automated into a production line. AC Spark Testers can also be used when higher test voltages are required.