Humboldt Mfg. Co.

H-1322 compression machine

The Humboldt H-1322 Marshall and TSR compression machine provides unattended operation and recording of test data.

  • 16-BIT analog to digital converter with chart recorder output
  • Automatically tests and records Marshall stability and plastic flow of bituminous mixture on one chart with an accuracy to less than 1 percent over the total range
  • Total frame capacity of 10,000 pounds for Marshall and TSR compression

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