Tinker & Rasor AP/W Holiday Detector Industrial Hygiene ) in thin film protective

) in thin film protective coating of relatively high electrical resistance when such films are applied to the surface of material of low electrical resistance

300 square cm surface area

The large membrane keypad makes operating the instrument simple when wearing gloves

At least two data pairs (concentration and absorbance) are required

The Model 780 comes with a cable with twin leads attached

Tinker & Rasor AP/W Holiday Detector Industrial Hygiene ) in thin film protectiveThe Tinker & Rasor Model AP W Holiday Detector is a completely transistorized, portable electrical inspection instrument. Adaptable for use on both large and small diameter piping as well as flat surfaces when such surfaces are coated with a high electrical resistant material and the surface beneath the coating is electrically conductive.