Wet Sponge Holiday Detector

The pcwi wet sponge tester is a low voltage holiday detector for locating pinholes in coatings.

Wet sponge holiday detector. When testing for flaws in coatings under 20 mils thickness it is recommended to use a wet sponge porosity detector. Elcometer 270 pinhole detector the elcometer 270 range utilises the wet sponge technique and has been designed to set a new standard for wet sponge pinhole detectors a high quality low voltage detector with similar accessories to a high voltage spark tester. There are two types of high voltage holiday detectors continuous dc and pulsed dc.

While pinholes and holidays may be visually evident their detection is made simpler using low voltage wet sponge or high voltage spark testing holiday detectors. Coatings on concrete can also be tested using this method. This holiday detector uses the low voltage wet sponge method to detect pinholes holidays in coatings.

Proper selection based on coating thickness set up voltage setting for high voltage detection and operation helps ensure proper testing without adversely affecting the. A wet sponge holiday detector uses a low voltage that traverses through the sponge s fluid and causes a current to form where holidays are present. Caltech engineering services india offers full range of holiday detectors for engineering construction and maintenance of paints and coatings we also manufacture and export wet sponge holiday test equipment also known as wet sponge pinhole detector pd 990.

Supplied ready to use automatic sensitivity calibration and voltage checks. Holiday detectors are employed in the non destructive detection and location of pinholes holidays bare spots or thin points in protective coatings applied for corrosion protection over metal or concrete conductive surfaces. These units are also known as wet sponge testers low voltage holiday detectors low voltage porosity detectors or pin hole detectors.

The elcometer 236 holiday tester provides the user with complete control of voltage and sensitivity settings and is available in 2 versions 15kv and 30kv. Complies with the requirements of as3894 1 2002 wet sponge testing. Pcwi wet sponge pinhole detector.

Detection of holidays is coupled to an audible alarm and or light to inform the tester of the discontinuity. Continuous dc holiday detectors such as the elcometer 236 holiday detector require direct connection to the conductive substrate. Manufactured in australia.