CaNneed-ACH-100 Aerosol Curl Height Gauge is used for measuring the contact height of the curl 1” aperture of aerosol cans. ACH-100 is the Industry Standard.
● The gauge is first calibrated by setting the calibration ring on the gauge. In this case the dial has to indicate the value of 4.25 mm.
● The measurement on the can is then inserting the gauge up to the shank into the can and then slowly releasing the button to check the reading.