The optimized coil and sensor

design ensure high sensor SNR

at low flow speed (as low as


ISO17025 certified calibration rig is approved to calibrate meter from 0.2% to 2% through both gravimetric and master meter methods.

We adapt to the most challenging application

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Digital signal processing algorithm provide the filter for slurry measurement and also makes 0U0D installation possible.

Thanks to our modular design, fast prototyping techniques ISO17025 standard calibration facility. We can provide your customized design and labeled product in as fast as 30 days for all industries.

All of our flow tubes are  welded by automatic argon arc welding machine to ensure high degree of build quality.


gFlow Instruments co. ltd.
Unit 3A-8, 12/F, Kaiser Centre, 
No. 18 Centre Street
Sai Ying Pun
Hong Kong SAR