Peak Expiratory Flow Meter



    This inhaler–looking device is for measuring the maximum speed of expiration to give early warning about a possible asthma attack so actions can be taken early. It measures the maximum expiration velocity. The result is displayed on the display. This device is suitable for all ages. With this portable device, patients have the ability to effectively manage and treat their respiratory condition anywhere and anytime.





 • High accuracy

 • Rotating vane wheel method

 • High accuracy

 • Rotating vane wheel method

 • Suitable for children and adults

 • 240 data memory

 • Traffic light indicator

 • Professional carrying bag

 • Battery driven

 • Equipped with wall holder

 • Software and connection cable included

 • Data connection to computer




Measuring Range

PEF 50 to 900L/min
FEV1 0.01 to 9.99L

Measuring Method

Rotating wing wheel


PEF ±20L/min or 10% of measurement (select higher)
Fev1 ±0.1L or ±5% of measurement (select higher)

Measuring Resolution

PEF 1L/min,
FEV1 0.01L

Data Safety

Data memory in EEPROM


240 measurements with time and date


77(W) x 144(L) x 48(H) mm


150g including batteries

Storage Temperature

-5 to 50°C, 10-90% RH

Operation Temperature

10-40°C, 10-85% RH

Power Source

2 AAA 1.5V batteries