Equipment Checklist for
AHTD 449
Determination of Asphalt Content of Asphalt
Mixtures by the Nuclear Method
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| 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. |
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| Item
| Nuclear asphalt content gauge
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| Description
| Troxler Model 3241-C
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| Calibration Item
| Wipe Test
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| Calibration Procedure
| Perform
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| Calibration Interval
| 6 months
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| Item
| Balance
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| Description
| Accurate to 0.1 pound
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| Calibration Item
| Verify mass readings
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| Calibration Procedure
| AASHTO M 231
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| Calibration Interval
| 12 months
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| Item
| Thermometer
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| Description
| Reads to at least 325 F
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| Calibration Item
| Verify temperature readings
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| Calibration Procedure
| ASTM E 1, ASTM E 77
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| Calibration Interval
| 6 months
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| Item
| Oven
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| Description
| Capable of heating to 350 F
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| Calibration Item
| Verify temperature readings
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| Calibration Procedure
| Verify with calibrated thermometer
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| Calibration Interval
| 4 months
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| Item
| Incidental Equipment
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| Description
| Pans supplied with gauge, spoons, scoop, gloves, etc.
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| Calibration Item
| Check physical condition
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| Calibration Procedure
| Visual
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| Calibration Interval
| 12 months
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