A high DC voltage is applied to the detection electrode, and the discharge pulse generated by the difference in insulation resistance between the detection electrode (mandrel, earth roll, etc.) is detected, and pinholes in the substrate are detected. The detected discharge pulse is waveform-shaped and amplified, and an abnormality lamp is displayed and a contact output is generated. We can handle a wide range of applications, from pinhole detection in plastic cups using a small detection electrode to wide film applications using detection electrodes installed in series.
Application Examples
JPK-3_02.gif
Power Specifications
Model KTK-125 KTK-2002N
Output Voltage 0 to -20kV (variable) Unipolar 0 to -20kV (variable) Unipolar
Output Current 0.5mA 2mA
Power Input AC100-240V 50/60Hz AC100-240V 50/60Hz
Power consumption 50VA 50VA
Protection Features Spark Detection Spark Detection
Photocoupler Output Open Collector Open Collector
Collector-emitter voltage 55V MAX. 55V MAX.
Collector Current 50mA MAX. 50mA MAX.
Relay Contact 1a 1a
Control Capacity 250V 3A(AC). 30V 3A(DC) 250V 3A(AC). 30V 3A(DC)
Control Output Time Approx. 0.01 to 1 sec. (40 mSec. at time of shipment)
(adjustable with built-in volume) Approx. 0.01 to 1 sec. (40 mSec. at time of shipment)
(adjustable with built-in volume)
size 150×150×270 (mm) 175×175×330 (mm)
mass 3.3kg 4.5kg
