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HM-78 Concrete Dial Penetrometer is a compact instrument to estimate initial set of concrete mixes. This model is fitted with an easy to read 2.25in (57mm) diameter dial gauge and has dual scales of 0 to 700psi and 0 to 50kg/cm² indicate resistance. Maximum readings are locked in until released by push button. The instrument can be calibrated using an ordinary platform balance and adding or removing the register plates provided. Plastic case, factory certification and instructions are included.
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