Equipment Checklist for AASHTO T 30 - 93
Mechanical Analysis of Extracted Aggregate
 
All equipment shall be inspected for compliance with appropriate dimension s, as stated in each standard, as well as to determine if it is in satisfactory operation condition (i.e. clean, tight and serviceable). Inspection shall occur at least annually, or whenever there is reason to suspect nonconformance with the standard.

 
Item Balance
Description Readable to 0.1% of sample mass or better
   
Calibration Item Verify mass readings
Calibration Procedure AASHTO M 231
Calibration Interval 12 months
Item Sieves
Description As required for desired application
   
Calibration Item Check openings and physical condition
Calibration Procedure AASHTO M 92
Calibration Interval 6 months
Item Mechanical Sieve Shaker
Description Must have both lateral and vertical motion
   
Calibration Item Check sieving thoroughness
Calibration Procedure AASHTO T 30 Paragraph 6.7
Calibration Interval 12 months
Item Oven
Description Must be maintained at 110 +/- 5 C
   
Calibration Item Verify temperature
Calibration Procedure Verify with calibrated thermometer
Calibration Interval 4 months
Item Incidental Equipment
Description Containers, filter paper, etc.
   
Calibration Item Check physical condition
Calibration Procedure Visual
Calibration Interval 12 months
Item Thermometer
Description Capable of accurately measuring temperatures used in this test method
   
Calibration Item Verify temperature readings
Calibration Procedure ASTM E 1, ASTM E 77
Calibration Interval 6 months