Gastec Gas Detector Tube System

Gastec Gas Detector Tube System

GASTEC Detector Tubes indicate concentrations directly by way of a calibrated scale printed on the tubes. At GASTEC, we endeavour to achieve highest quality detector tubes for analysing airborne gases/vapours, as well as pollutants in soil and water through our advanced state-of-the-art research and development. Through our efforts we have acquired a solid reputation among our customers in virtually all sectors of industry, commerce and society. Tubes are now available for more than 500 different applications.


  • On-site measurements can be performed easily by anybody, anytime and anywhere, in a short time
  • Easy-to-check direct reading possible due to the calibrated scale directly printed on the tube
  • An extensive measuring range can be obtained by adjusting the sampling volume
  • In order to assure high precision, each production lot is tested and calibrated independently, Each detector tube has its own quality control number printed on the tube
  • Long shelf-life with excellent long-term stability

Part Of Gas Detector Tube System

  • Gas Sampling Pump

Feature of gas Sampling:

    • The built-in tip breaker incorporates a diamond edge for maximum durability that cuts the surface of the detector tube. This makes the tip breaking much easier, safer and convenient. Discarded tips are deposited in a storage bin for safe and easy disposal.
    • The pump piston has been designed with a smaller diametre so that the handle can be pulled out with even less effort. This permits anyone to operate the pump easily. Also, GASTEC Pump Model GV-110 and GV-100 meet the leakage test of EN1231, Workplace atmospheres-Short term detector tube measurement systems-Requirements and test methods, 4.2 Detector tube pump, 4.2.2 Leakage "The detector tube pump with the closed detector tube connection shall be tight, so that during the first minute of a pump stroke the leakage rate does not exceed 3mL/min." The GASTEC pump shaft shows you the leakage rates with a red line.
    • The pump body is covered with a soft elastomer, with the middle portion narrower than the ends to ensure a firm grip on the pump cylinder. The other outer surfaces of the pump are made of non sparking materials of ABS resin except for the opening of the tube tip cutter, which is made of chromed stainless steel.
    • The full-stroke (100mL) and the half-stroke (50mL) positions are marked exactly by the red line on the pump shaft, and the handle is precisely locked at those positions. The attached flow finish indicator tells you automatically when the stroke is complete. When the white disk pops out,the sample is complete.
    • The automatic stroke counter built in model GV-110 (in Model GV-110S) gas sampling pump can track up to ten pump strokes automatically so there is no chance of miscounting.
  • Gas Tube

    Types of detector tube:

    • Short-term measurement detector tubes: Detector tubes performing measurements using a gas sampling pump.
    • Long-term (time-weighted) measurement detector tubes: Detector tubes measuring the average concentration over an extended period of time without using a gas sampling pump.
    • Detector tubes for automatic air sampling pump: Suction-type detector tubes performing measurements using an automatic air sampling pump.
    • Airtec tubes: Detector tubes measuring impurities found in cylinders and compressors.
    • Polytec tubes: Detector types that simultaneously identify multiple gases found in the operating environment.
    • PYROTEC detector tubes: Detector tubes that use pyrolysis on CFC gas using PYROTEC for converting into gases that can be measured.
    • Injection type detector tubes: Detector tubes that use an injection tube to acquire gas samples to contain within the detector tube for measurement.
    • Detector tubes for dissolved substances in solution: Detector tubes that measure the concentration of substances dissolved in a liquid solution kept in a beaker or other such container.




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