Occupational Health and Safety >> Flow Calibrators >> Air Flow Calibrator Portable Defender 520

Air Flow Calibrator Portable Defender 520

The Defender 520 is the intermediate model of the Defender Series. This model provides:
  • Flow Calibration where you want to know Temperature/Pressure
  • More affordable options

Product Details


  • Piston flow calibrator circuit for volumetric flow verification in sampling devices with an accuracy of +/- 1%
  • Volumetric flow meters are available in the ranges of 5-500 cc/min, 50-5000 cc/min, and 300-30000 cc/min
  • Selectable units for flow (mL/min, L/min, cc/min, cf/min), temperature (°C, °F) and pressure (mmHg, PSI, kPa) depending on the version
  • Reading time between 1 – 15 seconds
  • Backlit LCD display
  • RS-232 communication interface
  • Operates on rechargeable battery for between 6-8 hours of operation

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Frequently Asked Questions

Can we find the PT HAS product on the e-catalogue (LKPP) ?

Absolutely, almost all PT HAS products can be found in the e-catalogue.

How about the warranty for products from PT HAS ?

PT HAS Supply’s products include a 1-year official warranty for damage caused by manufactured defects.

Has the PT HAS product been calibrated? What if the calibration period is over?

Products from PT HAS have been calibrated and are ready to use. For further calibration, PT HAS already has a calibration lab that is ISO 17025 accredited and is ready to help customers who need recalibration.

What if the product has a problem and needs repair?

PT HAS has a local service center (in Jakarta), and our technicians are trained in the manufacture of the products we are agents for. For repairs and troubleshooting, we try to do it locally. and we make sure that the spare parts we supply are official spare parts from manufacturers.

Do we get training on using the tool after making a purchase at PT Has?

For all product purchases at PT HAS, usage training is included and is unlimited.

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