Peak Nasal Inspiratory Flow (PNIF) Meter - Peak flow meters

Peak Nasal Inspiratory Flow (PNIF) Meter

DESCRIPTION OF Peak Nasal Inspiratory Flow (PNIF) Meter - Peak flow meters

The In-check PNIF meter can be used to quickly assess the patency of the nose. It uses a variable diameter tube calibrated directly in litres per minute, along with a low inertia indicator ring, whose position after an inspiratory manoeuvre clearly indicates the maximum flow achieved. It is used along with either a disposable or re usable mask, both of which are available in either small or medium sizes. A medium disposable mask is included with the unit when delivered.

Applications include:-

Diagnosis of nasal obstruction and the assessment of response to nasal provocation.


Plus/Minus 10% of reading or 10 L/min flow (whichever is the greater), with repeatability of plus/minus 5%.

Life Expectancy:

In normal use it is expected that the PNIF unit will remain operational for 2 years.

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