Dust Switch

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Dust Switch is compact and reasonably priced dust indicator which Dust Monitor output function is limited to alarm output only.
By continuously monitoring small dust collectors 24 hours a day, the start of dust leakage is quickly detected and notified.

Brand: Matsushima
Origin: Japan

Advantages

  1. 24-hour monitoring ensures that even the slightest leak is not overlooked. Achieve predictive maintenance.
  2. Detects the beginning of leakage, so there is no sudden dust leakage. Contributes to the health maintenance of workers.
  3. You can use up the filter to the end. This leads to a reduction in maintenance costs.

Features

  • Lightweight and compact
  • 24-hour surveillance on behalf of humans
  • Open collector output

Operating principle

Dust Switch adopts the triboelectric (charge) method.
When Dust Switch is attached to the secondary duct of a small dust collector, the movement of electric charge (tribo) occurs when dust leaked into the exhaust gas contacts or passes near the probe. The amount of charge transfer is detected as a relative concentration proportional to the dust concentration. When the specified threshold value is reached, a signal is output to inform you of the abnormality.

How to use?

  1. Determine mounting position

    Install the inside of the duct on a straight section that has a rectifying effect. Avoid bends, extreme narrowing, or near fans, as the airflow will be turbulent and the measurement will be unstable.
  2. Mounting:

    Weld the included 1/2 inch socket to the perforated duct, insert the probe and screw it in.
    *Be sure to connect the ground wire.
  3. Wiring:

    The power supply is DC24V. Since the output is an open collector output, please connect directly when connecting to a PLC.
  4. Adjustment:

    There are two settings. The sensitivity adjustment function switches and adjusts the sensitivity in 10 steps. Chattering is prevented by the detection level delay setting.

Specifications:

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