PTA -Line Bendtsen

PTA -Line Bendtsen

Measures the air permeability and surface roughness according to Bendtsen

  • Features

    • 1, 2, or 3 heads available in one device
    • Standard measuring range: 25-5,000 ml/min (other measuring ranges also available, e.g. 1-5,000 ml/min)
    • Simultaneous measurement with all 3 measuring heads
    • Fully automated measuring cycle, sample is not influenced manually


    Description

    The sturdy and stable instrument possesses an industrial PC and a touchscreen. It is available with up to 3 heads: top roughness, bottom roughness and air permeability. The large display indicates single values and statistics. The measurement is performed quickly and automatically. The menu navigation
    is clear.


    Test description

    Surface roughness:

    The operator places the sample below the measuring head. By pushing the start button, the measuring head lowers onto the sample and gently clamps it. The test starts. As soon as the preset flow rate (e.g. 1.47 ml/min) is stable, the measuring value is displayed. The test time is adjustable from 1-40 seconds. After test performance, the sample is released. The measuring head returns to its initial position, and the device is ready for further measurements.


    Air permeability:

    The operator places the sample below the measuring head. By pushing the start button, the measuring head lowers onto the sample and gently clamps it. Air flows through the sample at a selected pressure (e.g. 1.47 kPa). As soon as the preset flow rate is stable, the measuring value is displayed in ml/min or μm/Pa*sec. The test time is adjustable from 1-40 seconds. Gurley values are calculated according to the standard and are displayed in Gurley seconds by default.


    Specifications

    • Measuring ranges:
    – 25-5,000 ml flow rate
    – Pressure difference: ± 0.5 % of the final value
    • Measuring accuracy:
    – Pressure differential: ± 0.005 kPa linear
    – Flow: ± 0.5 % of the final value
    – Accuracy of test duration: ± 0.5 s
    • Flow sensors (optionally):
    – 15-3,000 ml/min
    – 5-1,000 ml/min
    – 1-5,000 ml/min
    • Air permeability:
    – Measuring area: 10 ± 0.2 cm²
    – Test duration: 1-40 seconds (adjustable)
    – Display in ml/min or μm/Pa*sec
    • Roughness:
    – Measuring land: Ø 31.5 mm, 150 μm, 267 g
    – Test duration: 1-40 seconds (adjustable)
    • Touchscreen for easy handling
    • Parallel printer interface
    • Serial data interface (RS 232)
    • Compatible to PaperLIMS and MiniStat
    • Compatible to PTA-Line


    Technical data

    Electricity: 110–230 V, 50–60 Hz
    Water supply: None
    Compressed air: 400–600 kPa
    Dimensions (WxDxH): 27x68x60 cm
    Net weight:
    – 1-head 23 kg
    – 2-head 28 kg
    – 3-head 34 kg
    Gross weight:
    – 1-head 38 kg
    – 2-head 43 kg

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