Prisma 25S

Prisma 25S

BiLevel-S therapy for high/ fluctuating pressure needs and CPAP intolerance

prisma 25S, the BiLevel-S therapy device in the prisma lINE


Many possibilities: Broad pressure range (4 — 25 hPa) and severo adjustable parameters for greater flexibility in therapy settings

Precise: Identification of periodic breathing, RERA, snoring, hypopnea and flow limitation

Proven: Optional TRI Level pressure curve and auto EEPAP regulation

Reliable: Apnea differentiation with FOT (Forced Oscillation Technique)

For natural breathing: Optional autoTrigger (Trigger IN)


Good overview: High resolution therapy data for up to 14 days and detailed statistics for 366 days

Process support: With SD card and USB port

Simple: 8 unmistakable analog signals for PSG feed

Practical: Remote management (prismaTSlab) via LAN with therapy software prismaTS


Technical Data Prisma 25S

Product class as per Directive 93/42/EEC:lla
Dimensions (W x H x D)170 x 135 x 180 mm
Weightabout 1.4 kg
Temperature range
Operation:+5 °C to +40 °C
Storage:-25 °C to +70 °C
Permitted humidity, operation and storagerel. humidity 15 % to 93 %, no condensation
Air pressure range700 – 1060 hPa coresponds to altitude of 3000 meters
Diameter of breathing tube connection (mask)19.5 mm (fits standard tapered connector
Electric ratingmax. 40 VA
System interface12 V DC max. 10 VA
Power consumption in230 V 115 V
Operation (therapy):0.11 A 0.22 A
Standby:0.036 A 0.019 A
Classification as per EN 60601-1-11
Type of protection from electric shockProtection class II
Level of protection from electric shock:Type BF
Protection from damaging ingress of water and solids:IP21
AlarmsLeak and Disconnection
ModesCPAP, APAP, BILevel S and autoS
Mean sound pressure/Operation as per ISO 80601-2-70about 26.5 dB(A) at 10 hPa (corresponds to sound pressure of 34.5 dB(A)
CPAP operating pressure range4 to 20 hPa
BILevel operating pressure range4 to 25 hPa
Triggerauto or can be set at three levels
Pressure increase speedcan be set at three levels
Pressure accuracy
Peak flow as per ISO 80601-2-70, modes BI level,
without humidifier
4.0 hPa235 l/min
10.5 hPa225 l/min
17.0 hPa215 l/min
23.5 hPa200 l/min
25.0 hPa195 l/min
Stability of the dynamic pressure (short-term accuracy) for 10 breaths/min as per ISO 17510-1:2007 when using the 19 mm hose.
7.0 hPaΔp≤0.24 hPa
10.0 hPaΔp≤0.28 hPa
13.5 hPaΔp≤0.3 hPa
20.0 hPaΔp≤0.4 hPa