Hydrometer Void Content Apparatus
It indicates the workability, angularity, and sphericity of the aggregate in a mixture in which it is used.
The hydrometer void content apparatus includes a 100 ml brass measure, a funnel with a special jar, a funnel stand, and a glass plate for calibration.
Please refer to the ordering information tab below before making your selection.
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| Part Number | Description |
|---|---|
| C-639 | Void Content Apparatus, Course Aggregate |
| C-640 | Void Content Apparatus, Fine Aggregate |
ASTM: C 1252, PTM 527
AASHTO: TP-33, NAA Method A





