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Gravity MEA

AP‑20CT Gas Aspirating Pump with Counter Unit

The AP 20CT by Komyo Rikagaku (Kitagawa) enhances the standard AP 20 pump with a LED digital stroke counter, delivering precision 100 mL air draws per stroke. It features a visual flow-finish pop-up indicator and interchangeable tip cutter, combining ergonomics, safety, and exactness. Powered entirely manually-no batteries or electronics required-this pump is ideal for industrial hygiene monitoring in remote or hazardous areas, where consistent multi-stroke sampling is essential.

  • 100 mL fixed-volume strokes, calibrated for accuracy
  • LED stroke counter unit tracks multiple draws with ease
  • Interchangeable tip cutter doubles as stroke counter base
  • Pop-up finish indicator ensures each stroke is full
  • Antibacterial, non-slip grip available in 4 vibrant colors
  • Robust, explosion-safe manual design, requiring no electricity
  • ISO 9001 & ISO 14001 certified, with global design and quality patents

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Product Highlights




    Applications

     

      • Multi-stroke air sampling for accurate colorimetric detection
      • Industrial hygiene: VOCs, CO, H₂S, SO₂, NH₃ monitoring
      • Confined space, tank entry, and on-platform sampling
      • Emergency response and spill site monitoring
      • Environmental field studies and compliance audits
      • HVAC/IAQ infrastructure testing in buildings and food facilities

    Specifications

    Specification Details
    Model AP‑20CT (Counter unit version of AP‑20)
    Sampling Method Manual bellows pump – 100 mL per full stroke
    Sample Volume Fixed 100 mL per stroke
    Stroke Counter LED digital counter (interchangeable unit)
    Finish Indicator Mechanical pop-up disk confirms full air draw
    Tip Cutter Replaceable ceramic cutter with protective enclosure
    Grip Antibacterial rubber, anti-slip, available in Blue/Red/Green/Yellow
    Materials ABS cylinder, stainless metal, EPDM rubber grip
    Power Fully manual—requires no battery, suitable for explosive environments
    Certifications ISO 9001, ISO 14001, SEI-certified; US & JP design patents
    Patent Numbers US D467,334 S; JP Design Reg. 1131898
    Dimensions & Weight Approx. 240 mm length; ~290 g weight

    Certifications

    ✔️ ISO 9001 & ISO 14001 certified manufacturing

    ✔️ SEI certified and EN1231 compliant

    ✔️ Patented safety design: US and Japanese design patents

    ✔️ Explosion-risk safe—manual operation with no electronics in pump unit