Proceq N / L Operating Instructions Manual Download Page 1

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Bedienungsanleitung

Operating Instructions

Mode d’emploi

Betonprüfhammer
Concrete Test Hammer
Scléromètre à béton

N / L

NR / LR

Summary of Contents for N / L

Page 1: ...Bedienungsanleitung Operating Instructions Mode d emploi Betonpr fhammer Concrete Test Hammer Scl rom tre b ton N L NR LR...

Page 2: ...Switzerland Tel 41 0 43 355 38 00 Fax 41 0 43 355 38 12 E Mail info proceq com Internet www proceq com Technische nderungen vorbehalten Subject to change Modifications techniques r serv es Copyright...

Page 3: ...3 2 Measurement 4 Measuring Principle 4 Measuring Procedure 4 Outputting and Evaluating Data 5 Conversion Curves 6 Factors Affecting the Values 11 3 Maintenance 15 Performance Check 15 Cleaning After...

Page 4: ...cannot be upheld if they are due to one or more of the following causes Failure to use the concrete test hammer in accordance with its designated use Incorrect performance check operation and mainte...

Page 5: ...vent that certain rules of behavior are disregarded Warning This note warns you about the risk of material damage financial loss and legal penalties e g loss of warranty rights liability cases etc Thi...

Page 6: ...the items to be tested prior to measurement in order to prevent the material deflecting Items made from artificial stone which are sensitive to impacts Preferably perform measurements at temperatures...

Page 7: ...the rebound value R indi cated by the pointer 4 on the scale 19 If you are using models NR and LR the rebound value R is automatically printed on the recording paper It is only necessary to lock the i...

Page 8: ...dle of the row is the median value If more than 20 of the values are spaced more than 6 units apart the measuring series must be rejected as mentioned in the standard 2 4 Conversion Curves 2 4 1 Deriv...

Page 9: ...and min values are set so 80 of all test results are included 2017 Proceq SA Measurement 7 Conversion Curves Concrete Test Hammer Model N NR Concrete pressure resistance of a cylinder after 14 56 day...

Page 10: ...Average pressure resistance of a cube probable value The concrete test hammers shown in Fig 2 7 and Fig 2 8 indicate the impact direction Conversion Curves Concrete Test Hammer Model L LR Concrete pr...

Page 11: ...x and min values are set so 80 of all test results are included 2017 Proceq SA Measurement 9 Conversion Curves Concrete Test Hammer Model N NR Concrete pressure resistance of a cylinder after 14 56 da...

Page 12: ...g 2 7 together with the B Proceq curve The curves are valid for horizontal impacts and for the conversion to a compressive strength in N mm2 evalu ated with concrete cubes 150 150 150mm For other impa...

Page 13: ...hine depends on the shape and size of the sample The samples prescribed for use in the particular country must be taken into account when converting the rebound value R into compressive strength In th...

Page 14: ...coeff Zf Rm n c Rm n c Zf Rm carb Average rebound value R measured on carbonate impregnated concrete surface Rm n c Average rebound value R measured on non carbonate impregnated concrete surface Anoth...

Page 15: ...sh 23 28 28 34 34 39 39 45 45 50 0 0 1 0 2 0 3 0 4 0 5 0 6 0 100 90 80 70 60 Fig 2 11 Reduction of Rebound values due to Carbonation 2017 Proceq SA Measurement 13 Carbonation Depth inmm Reduced R Valu...

Page 16: ...efore the test Very high values for compressive strength 70N mm2 can be achieved by adding pulverized fuel ash or sili ca fume However these strengths cannot reliably be ascertained using the rebound...

Page 17: ...testing anvil Fig 3 1 Performance check of the concrete test hammer model N L shown Proceed as described in Maintenance Procedure on page 16 if the values are not within the tolerance range specified...

Page 18: ...Do this as described below The concrete test hammer can either be sent to a service center authorized by the vendor or else it can be maintained by the operator according to the following description...

Page 19: ...ps is ample viscosity ISO 22 e g Shell Tellus Oil 22 Insert a new felt ring 18 into the cap 9 Apply a small amount of grease to the screw head of the screw 20 Slide the hammer guide bar 7 through the...

Page 20: ...t surface 3 Housing 4 Rider with guide rod 5 Not used 6 Push button complete 7 Hammer guide bar 8 Guide disk 9 Cap 10 Two part ring 11 Rear Cover 12 Compression spring 13 Pawl 14 Hammer mass 14 1 mode...

Page 21: ...325 x 295 x 105mm Grindstone 1 pce 1 pce 1 pce 1 pce Recording paper 3 rolls 3 rolls 4 2 Accessories Concrete test hammer Model N Model NR Model L Model LR Accessory article number Testing anvil 310 0...

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