Hoffrichter point 2 - Page 91

Annex 91
point 2 point 2 with aquapoint 2
Short term pressure variation point 2 ST25 in hPa
4
hPa
9
hPa
14.5
hPa
20
hPa
25
hPa
4
hPa
9
hPa
14.5
hPa
20
hPa
25
hPa
10 bpm 0.12 0.15 0.17 0.27 0.33 0.14 0.13 0.25 0.51 0.64
15 bpm 0.18 0.19 0.24 0.30 0.37 0.21 0.19 0.31 0.65 0.81
20 bpm 0.30 0.30 0.33 0.37 0.43 0.46 0.31 0.47 0.73 0.91
(at heating level 3)
Long term pressure variation < 0.1 hPa
Pressure reading accuracy 0.5 hPa
Average sound pressure level (ope-
rating at 1 m distance)
≤ 30 dB(A) at 10 hPa
(equivalent to a sound power level of ≤ 38 dB[A])
Air flow rate point 2 CPAP, AutoCPAP, BILEVEL ST20
4 hPa 205 l/min 172 l/min
8 hPa 189 l/min 163 l/min
12 hPa 179 l/min 150 l/min
16 hPa 165 l/min 137 l/min
20 hPa 148 l/min 127 l/min
Air flow rate point 2 BILEVEL ST25
4 hPa 205 l/min 187 l/min
10 hPa 191 l/min 175 l/min
15 hPa 173 l/min 158 l/min
20 hPa 152 l/min 141 l/min
25 hPa 137 l/min 124 l/min
Operating temperature + 5 °C ... + 38 °C
(Ambient temperatures up to
40°C does not harm the device
function at all.)
+ 5 °C ... + 35 °C
(Ambient temperatures up to
40°C does not harm the device
function at all.)
Storage/Transport
temperature
without battery pack
with battery pack
- 25 °C ... + 70 °C
- 20 °C ... + 45 °C up to 3 months
Therapy air heating
at air outlet
at end of tube
0.3 K/ hPa via compression
0.2 K/ hPa via friction
< 0.3 K/ hPa at 10 hPa; 0,5 l/s
-
Relative humidity 15 % ... 95 % for operation, storage and transport
Ambient air pressure range
Storage/Transport
Operation
1060 hPa ... 265 hPa (approx. - 400 m ... 10000 m)
1060 hPa ... 800 hPa (approx. - 400 m ... 2000 m)
1
1
With increasing altitude, the air flow rate decreases.