The “PPG-A” and “PPG-D” are used to measure the perpendicularity (deviation) of the preform and it’s a standard equipment for PET and beverage industries.
With special designed changing & clamping part, it can ensure the accurate measurement of different sizes of preform.
The device includes a ruler on the column for a more accurate using
Clamping support and calibration bar are corresponding to each diameter of preform opening.