Instructions for Use
Diffustik / Variant PFTstik
Serial no.: xx|8|401|yyy and 2401xxxxx
Page 88
Version: 8 | Release date: 16. August 2021
Flow measurement:
Flow sensor:
Ergoflow
Measuring principle:
Differential pressure
Measuring range:
±16 l/s
Ventilation measuring range:
0 – 300 l/min
Flow resistance:
< 0.12 kPa / (l/s) < 14 l/s
Dead space:
< 32 ml
Flow resolution:
15 Bit
Sample rate:
125 Hz
Accuracy:
±3 % or 50 ml/s
Volume:
Measuring range:
0 – 20 l
Accuracy:
±3 % or 50 ml
Mouth pressure:
Measuring principle:
Semiconductor
Measuring range:
±25 kPa
Accuracy:
±0.25 % FSS
Flow resolution:
15 Bit
Minimum PC system requirements:
Standard:
at least EN 62368-1 / EN 60950
recommended EN 60601
Processor:
X86 / amd64 compatible,
1 GHz or higher
RAM storage:
1 GB or higher
Hard drive storage:
5 GB or higher
Monitor:
XGA (1024 x 768) or higher
PC interface:
USB 2.0 recommended
Operating system:
Windows 8.1 or higher
