Concrete Testing Machine Dealers in Pune

How To Work CTM?  5. Start applying the load at the specified pace rate, which could be maintained by adjusting the slow fast knob. 6. If the pace rate is on higher side the indicator displays red colour and the pace rate is on the lower side the indicator will display yellow colour. 7. If the pace rate is exactly equal to set rate then the indicator will display green colour. 8. As soon as sample fails, release the pressure slowly by opening valve. 9. The digital display will be holding the maximum load reading at which sample has failed. Note down the pattern of failure and calculate the compressive strength in N/mm2 or kg/cm2. 1. Keep the specimen to be tested centrally on the clean lower platen so that small clearance is left between the upper platen and the top of the specimen under test. 2. Close the pressure release valve 3. Make the digital display to read “Zero” by adjusting the zero knob. 4. Put the display unit on “Peak Hold” mode to hold the maximum load reading.

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