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Test Needles

The reliable and simple air pressure testing needle manometer from Leister is the perfect solution for testing the integrity of dual track seams with test channel. It is suitable on construction sites for civil engineering, tunneling and landfills. The revised model is now even more secure in terms of daily use and leak detection.

Quality assurance is necessary to ensuring the safety and integrity of welding structures. That’s why Leister’s testing instruments are designed with the utmost attention to detail.


  • Adaptable

    Thin and flexible needle

  • Accurate

    Simple and precise tightness testing

  • Secure

    High user safety with hand and needle protection

  • Monitoring

    Manometer with BAR and PSI scale

  • Convenient

    Practical and portable device case


LEISTER Injection needle

This video details how to use the new LEISTER injection needle with manometer. Air pressure testing allows for quality assurance throughout the welding process. This product facilitates easier air pressure testing of overlap seams then ever before.


Article No.
150.720 Air pressure test manometer with new tapered testing needle
150.142 Spare needle
142.475 Air pressure test manometer with testing needle
142.569 Spare needle

Test Needles

  • Easy and precise seam testing
  • High security due to hand and needle protection
  • Practical storage case