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Picture

Initial Set Penetrometer

When freshly-placed concrete reaches 500 psi (35 kg/cm2) it has reached its initial set, when it can no longer be worked or consolidated by vibration. 
Model HM-78 dial penetrometer gives instant field or laboratory estimates of concrete condition by simply pressing the 1/20 in2 (32.3mm2) plunger into concrete at a constant rate to 1" (25.4mm) marked depth. 
The 2.25" (57mm) diam. dial has dual scales of 0-700 psi and 0-50 kg/cm2, and readings are locked until released by push-button. 
Calibration is user-adjusted using an ordinary scale by addition or removal of register plates provided. 
Plastic case and instructions included. 
Overall length: 6" / 152mm. 

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  • Home
  • Calibration
  • Equipment
    • Aggregates
    • Soil Properties
    • Concrete & Cement
    • Asphalt & Bitumen
    • Soil & Rock Mechanics
    • General Lab
    • Universal Testers
  • NDMS
    • Nuclear Density Meters >
      • Troxler Models
    • NDM Shipping
    • NDM Training
  • Hire
  • Documents
  • CONTACT US
    • Meet the Team