Digital soap film flowmeter

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Product Details

Product name	Digital soap film flowmeter
origin
Specification and model	HFM-420
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name:	Digital soap film flowmeter
explain:	It can calibrate air sampling equipment, verify the settings of mass flow controllers, or monitor higher gas flow rates.

Optiflow 420It is the best soap film flowmeter for measuring low flow rate gases, especially for GC chromatography columns

• Flow range -0.1 to 50 ml/min
Accuracy+/-3%

Optiflow 570

• Flow range -5.0 to 700 ml/min
Hard portable case for on-site use (only for Optiflow 570)

• Measurement of diversion ratio

Accuracy+/-3%

Optiflow 650

• Flow range -5.0 to 5000 ml/min
Accuracy+/-2%

Hard portable case for on-site use
Can measure both positive and negative flow rates (vacuum) of the gas source

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