Volumetric flow controlled (VFC) PM2.5 particulate samplers use a critical orifice with a predetermined orifice hole diameter to control the flow rate.

The critical orifice is drilled and calibrated to let only the predetermined flow rate to pass thorough the filter. The motor on these systems operate wide open while the critical orifice maintains a constant flow rate.

These systems are available with a 7 day mechanical timer or a US EPA recommended digital timer.

These systems can be fitted with an economical brush style motor or a maintenance free brushless motor.

Product Details


  • In accordance with SNI 7119.14-2016
  • Digital Timer
  • Equipped with temperature and air pressure sensors
  • Logger to store data: Flow, sampling volume, temperature, pressure, timer, and sampling time.
  • Data transfer using USB
  • Data in the form of .csv (simple excel, without special software)
  • LCD display
  • Brushed motor blower
  • Flow: 0.99- 1.27 m/min

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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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