PROMAT Proceq SCHMIDT OS-120 Operating Instructions Manual

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SCHMIDT OS-120
OPERATING INSTRUCTIONS
Swiss Solutions since 1954

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Summary of Contents for PROMAT Proceq SCHMIDT OS-120

  • Page 1 SCHMIDT OS-120 OPERATING INSTRUCTIONS Swiss Solutions since 1954...
  • Page 2: Table Of Contents

    Contents 1. Safety and Liability ........2 1.1 Safety and Usage Precautions .
  • Page 3: Safety And Liability

    1. Safety and Liability 2. Instrument Selection 1.1 Safety and Usage Precautions 2.1 Schmidt OS-120 Models This manual contains important information on the safety, use and maintenance of the OS-120PT/ There are two models available. PM. Read through the manual carefully before the first use of the instrument. Keep the manual in a •...
  • Page 4: Measuring And Evaluation With The Schmidt Os-120Pt

    4. Measuring and Evaluation with the Schmidt OS-120PT • Clean the brake strip on the under side of the semi-circular housing (1) using a clean cloth soaked in Acetone. When cleaning with Acetone the paint close to the brake surface may be affected. The OS-120PT is primarily used to measure the early compressive strength of concrete non- Alternatively, methylated spirit that does not damage the paint can be used.
  • Page 5: Measuring

    4.3 Measuring OS-120 PT Conversion Curve Cube 150/150/150 Horizontal impct direction N/mm y = 1.05 * (0.0009x + 0.0808x - 0.5081) 1. Place the OS-120 on a flat surface. Check that hammer (3) is at loading position B. Vertical impact direction N/mm y = 1.05 * (0.0015x + 0.0615x - 0.3585)
  • Page 6: Measuring And Evaluation With The Schmidt Os-120Pm

    A form factor must be used to correct the conversion estimate in cases where the compressive OS-120 PT Conversion Curve Cube 150/150/150 strength is not to be used as either as standard cube compressive strength (150/150/150 cube) or Horizontal impact direction psi y = 152.2899 * (0.0009x + 0.0808x - 0.5081) Vertical impact direction...
  • Page 7: Rating Table For Schmidt Os-120Pm

    • Trigger the impact by pressing the trigger button (4). Schmidt OS-120PT Schmidt OS-120PM • Read the rebound value from the scale (5). Operating temperature -10 bis 50°C (14 bis 122°F) Storage temperature -10 bis 70°C (14 bis 158°F) Repeat the procedure as many times as the standard you are working to requires. For example, EN 12504-2 requires a minimum of 9 rebound values for calculating the median.
  • Page 8 8.2 Accessories Notes PART NUMBER DESCRIPTION 310 99 037 Grinding stone (only required for OS-120-PT) 310 06 058 Carrying case 310 10 000 Test anvil 9. Maintenance and Support 9.1 Maintenance Maintenance includes a regular check of the instrument and cleaning of the breaking strip as de- scribed in chapter 4.1.

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