Penetration Needle Calibration
Penetration Needle Calibration refers to the process of verifying and adjusting the accuracy of a penetration needle used in various industries, such as pharmaceuticals, food, and material testing. These needles are often used in penetration tests to measure the hardness or consistency of substances like gels, creams, asphalt, and rubber.
AA - Roanoke
03/05/2025
Penetration Needle Calibration
Penetration Needle Calibration refers to the process of verifying and adjusting the accuracy of a penetration needle used in various industries, such as pharmaceuticals, food, and material testing. These needles are often used in penetration tests to measure the hardness or consistency of substances like gels, creams, asphalt, and rubber.
Scale S/N
Caliper S/N
Needle 1
Procedure E-255/ASTM D-5/AASHTO T-49
S/N
Mass of needle 2.45-2.55g
Needle Diameter of 1.00 to 1.02 mm
Ferrule Diameter of 3.15 to 3.25 mm
Ferrule length of 37 to 39 mm
Needle straight (roll on flat surface)
Surface finish smooth
End symmetrically tapered and straight
Approximately 50 mm in length
Exposed length of needle 40 to 45 mm
Needle 2
Procedure E-255/ASTM D-5/AASHTO T-49
S/N
Mass of needle 2.45-2.55g
Needle Diameter of 1.00 to 1.02 mm
Ferrule Diameter of 3.15 to 3.25 mm
Ferrule length of 37 to 39 mm
Needle straight (roll on flat surface)
Surface finish smooth
End symmetrically tapered and straight
Approximately 50 mm in length
Exposed length of needle 40 to 45 mm
Needle 3
Procedure E-255/ASTM D-5/AASHTO T-49
S/N
Mass of needle 2.45-2.55g
Needle Diameter of 1.00 to 1.02 mm
Ferrule Diameter of 3.15 to 3.25 mm
Ferrule length of 37 to 39 mm
Needle straight (roll on flat surface)
Surface finish smooth
End symmetrically tapered and straight
Approximately 50 mm in length
Exposed length of needle 40 to 45 mm
Maintenance Items
Make sure a minimum of 3 satisfactory needles of each type are available
Remove and replace needles if they do not meet spec requirements
Action Recommended
Comments
Source: AA - Roanoke (Community Member)