Go-Cal PRO

The only Portable Airflow Calibrator with 1% Accuracy across 3 Flow Ranges. Calibrate air sampling pumps to set & verify flow rates with confidence – no matter where you work. Lightweight and easy to operate, the Go-Cal Pro is a must-have precision flow meter for OEHS professionals.

Product Details


  • 1% accuracy across the Flow Rate Range in 3 instruments: » Low Flow: 5-600 cc/min » Standard Flow: 600-5000 cc/min » High Flow: 4-30 LPM • Lightweight, Portable, USB-C Charging
  • Easy to Operate with Large LCD Color Touch Screen
  • Event Logging for Data Integrity
  • Customized Calibration and Measurement Reports
  • Verified and Certified as NIST Traceable in our ISO 17025 Laboratory
  • Non-corrosive Gas Compatibility, Non-condensing
  • Pressure and Suction Flow Direction
  • 5 VDC AC Charger
  • Charging Cable USB-C to USB-A Cable
  • Battery Rechargeable lithium nickel cobalt aluminum oxide (NCA) battery
  • Battery Charging Time Less than 6 hours
  • Up to 24 hours of operating time* Up to 400 calibrations on a single charge**

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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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