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FTMB-FTMX Digital Tension Meter
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The FTMB is a special tension meter for sensitive materials as optical fibers, carbon fibers, technical fibers etc. It uses low-inertia 32 mm dia. rollers for fragile materials sensitive to bending over a small radius. Rollers are available in plastic or aluminum.

FTMX Additional Features

  • Built-in datalogging with RS232 and 0-1 VDC Analog output
  • Memory capacity of 100 values plus min, max, peak, avg and standard deviation
  • Optional TensionView software available for batch download or continuous real-time trending


    • Special guides on the bracket assembly permit easy material acquisition
    • Filament guide and roller shifting mechanism ensure easy acquisition of the running material
    • large, V-grooved guide rollers with 32 mm groove diameter, ball-bearing mounted

    Tension Ranges

    ModelRangeResolutionMeasuring Head Width mm
    2.0-200 g0.1 g140
    5.0-500 g0.1 g140
    50-1000 g1 g140
    Other units of measure available.

    Guide Rollers

    Roller Details Image Dimensions
    Max Speed:
    4000 (m/min)
    Material: hardcoated aluminium (R12021)
    Option - Option "-PL"
    Max Speed:
    4000 (m/min)
    Material: plastic red (PVC)

    Related Products

    Click image for more info
    Optic Fiber Tension Meter
    - Large bending radius assures gentle handling of the material being measured
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    Available Rollers for Hand-Held Tension Meters
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    Data Transfer & Analysis Program For The DTMX Tension Meter
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    Serial Cable for DTMX
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    - Small, portable and easy to use
    - Prints statistical data from the DTMX Digital Tension Meter

    Complete Kit

    The FTMB complete kit includes the tension meter, four (4) AA batteries, needle nose pliers and operating instruction manual all supplied in a foam fitted carrying case.


    CalibrationAccording to SCHMIDT factory procedure
    AccuracyFrom 10% up to 90% of tension range: ±0.5% full scale and ±1 digit remaining tension range and other calibration material: ± 3% full scale and ±1 digit
    OverrangeApprox. 15% full scale, without accuracy guarantee
    Overload protection100% of tension range
    Measuring principleStrain gauge bridge
    Measuring roller deflection0.2 mm max.
    Converter12 bit A/D
    Temperature CoefficientGain: less than ±0.01 % full scale/ºC
    Zero point: less than ±0.3 % full scale/ºC
    DisplayLCD 4 digit, 12 mm high
    Field adjustment±7 steps in 1.5 % increment
    MemoryMIN, MAX, PEAK and last value
    Temperature range10 - 45 ºC
    Air humidity85 % relative humidity, max.
    Housing Dimensions235 x 76 x 45mm (LxWxH)
    Additional specifications model for FTMX
    Expanded memoryMax. 100 readings, MAX, MIN, and PEAK as well as average values and standard deviation
    Digital output signalRS 232 C (4800, 8, N, 2)
    Analog output signal0 - 1 V DC (converter rate 16 ms)
    Digimatic interfaceMitutoyo

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