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Rebar Detector TM-200
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  • Rebar Detector TM-200

Rebar Detector TM-200

subcategory

  • Product description
  • Specifications
  • 1. General Information
    The TM 200 rebar detector is a lightweight, compact device for the non-destructive

    location of rebar and for the measurement of concrete cover and bar diameters.
    The measuring method is based on the eddy-current principle with pulse-induction.
    The basic unit can perform the following functions:
    -Locating rebars
    -Measuring concrete covers
    -Storing individual cover values and statistical evaluation
    -Determining the bar diameters
     

    2. Universal Probe
    2.1 Functioning
    The universal probe is designed to function in relation to the direction.
    This means it reacts most sensitively to the rebars parallel to its longitudinal axis.
    For this reason the probe should be positioned parallel to the bars to be tested and

    moved over them sideways for scanning.
    The probe has both a small and a large measuring range.
    Use the → key to switch over between the two measuring ranges.
    The large measuring range should only be used if the concrete cover is larger than

    is showed in the table 2.1.
    The probe automatically compensates for efforts caused by magnetic aggregates

    in the concrete or special types of cement.
    Tab. 2.1  The maximum allowable error of the detector(concrete cover  unit:mm)

    the maximum

    allowable error

    first measuring

    second measuring

    ±1

    8-------59

    10---------79

    ±2

    60------69

    80--------119

    ±4

    70------90

    120-------180

    2.2 Measuring Ranges and Accuracy
    Key:
    1. The range of Bar diameter :Ф6mm~Ф32mm
    2. The measuring range of concrete cover : 8mm---180mm
    Tab. 2.2  The first measuring range of concrete cover(unit:mm)

    Bar dia.

    6

    8

    10

    12

    14

    16

    18

    20

    22

    25

    28

    32

    Min

    8

    9

    10

    10

    10

    10

    10

    10

    10

    12

    12

    12

    Max

    70

    70

    70

    80

    80

    80

    80

    86

    86

    90

    90

    90

    Tab. 2.3  The second measuring ranges of  concrete cover(unit:mm)

    Bar dia.

    6

    8

    10

    12

    14

    16

    18

    20

    22

    25

    28

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