PEAK FLOW METER MICROLIFE / DIGITAL PEAK FLOW METER

Specifications

Measuring range
PEF from 50 to 900 l/min
FEV1 from 0.01 to 9.99 litres
Measuring method
Rotating wing wheel
Accuracy
PEF±20 l/min or 10% of the reading.whichever is greater.
FEV1± 0.1 l or ± 5% of the reading.whichever is greater.
Measuring resolution
PEF 1 l/min;FEV1 0.01 l
Data safety
Data rememorised by EEPROM
Memory
240 measurements with date/time
Size
77(W)x144(L)x48(H)mm
Weight
150g (with batteries)
Storage temperature
-5 to +50°C or 23 to 122 °F.
10 to 90%relative humidity max.
Operation temperature
10 to 40 ℃ or 50 to 104 °F,
10 to 85% relative humidity max.
Power source
2 batteries of 1.5 V.size AAA
Reference to standards
CE (EU Guidelines 93/42/EWG) EN60601-1 ATS standard 1994 update
System requirements
Microsoft Windows XP,Vista,7,8,550 MHz CPU.500 MB free hard disk,256 MB RAM,800 x 600 pixel resolution,256 colour,CD-ROM drive or
internet access for online download,one free USB port


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