Envirotech Instruments Private Limited
Envirotech Instruments Private Limited
Okhla Industrial Estate, New Delhi, Delhi
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Call 0804860068147% Response Rate


Engaged in the manufacturing, trading and distributing of a wide array of Calibrators, we assure to provide our customers with supreme quality products that are known for high efficiency, accuracy and durability. Further, our calibrators are quality tested before the final dispatch.

Flow Calibrator

Flow Calibrator
  • Flow Calibrator
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The Envirotech APM 520 Flow Calibrator is designed to provide a reliable and portable flow standard for flow verification of environmental sampling systems. The APM 520 is a primary standard flow calibrator based on a glass body soap bubble meter. Photo-optics based sensing and quartz crystal clock is utilized to provide an automatic and accurate estimate of elapsed time for the soap bubble motion through a fixed volume. Each APM 520 calibrator is tested against positive displacement flow standards traceable to NIST or FCRI, maintained at Envirotech. Optionally third party certification of individual calibrators can be provided at an extra cost.

Special Features:

  • Primary Standard
  • Automatic Photo-optic sensing and timing ensures high accuracy
  • Calibration traceable to national standards
  • Digital display directly in LPM

Additional Information:

  • Item Code: APM520
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Chetan Garg (Manager)
Envirotech Instruments Private Limited
A-271, Okhla Industrial Area, Phase-1
Okhla Industrial Estate, New Delhi - 110020, Delhi, India
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