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Flow and pressure measurement
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Flow
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Flow-Channel
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Flow
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±300 L/min***
±1.65 %* or ±0.04 L/min (for 10..40 °C)**
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Ultra-Low-Flow-Channel
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FlowUltra-Low
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±1 L/min***
±1.65 %* or ±0.01 L/min (for 10..40 °C)**
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Measuring bidirectional
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yes
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Temperature compensated
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automatic
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Pressure compensated
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automatic
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Humidity compensated
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automatic
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O2 compensated
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automatic
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Pressure
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High Pressure & Vacuum
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PHigh
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-1–10 bar
±1 %* or ±7 mbar**
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Differential Pressure
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PDiff
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±250 mbar
±0.5 %* or ±0.1 mbar**
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Low Differential Pressure
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PDiff Low
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-10–10 mbar
±1 %* or ±0.01 mbar**
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Pressure in Flow Channel
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PChannel
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-50–160 mbar
±0.5 %* or ±0.1 mbar**
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Atmospheric pressure
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PAtmo
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500–1240 mbar
±1 %* or ±5 mbar**
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Units
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Flow
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L/min, L/s, cfm, mL/min, mL/s
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Pressure
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bar, mbar, cmH2O, inH2O, Torr, inHg, hPa, kPa, mmHg, PSI
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Additional measurements
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Oxygen
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O2
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0–100 %
±1 % O2**
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Temperature
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In Flow Channel
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0–50°C
±1.75 %* or ±0.5 °C**
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Dew point
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In Flow Channel
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-10–50°C
±2 %* or ±1 °C**
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Humidity
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In Flow Channel
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0–100% RH (non condensing)
±3 % RH ** from 10% RH to 80% RH
±5 % RH ** for < 10% and > 80% RH
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Gas types
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Air, Air/O2, O2, N2O, N2O/O2, N2, He , He/O2 , CO2, customised gas types
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Further gas types
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CO2
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concentration (with optional OR-703)
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0–15 vol%, ±(0.2 vol% + 2 % of reading)
15–25 vol%, unspecified
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N2O
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concentration (with optional OR-703)
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0–100 vol%, ±(2 % vol% + 2 % of reading)
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HAL, ISO, ENF
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concentration (with optional OR-703)
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0–8 vol%, ±(0.15 vol% + 5 % of reading)
8–25 vol%, unspecified
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SEV
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concentration (with optional OR-703)
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0–10 vol%, ±(0.15 vol% + 5 % of reading)
10–25 vol%, unspecified
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DES
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concentration (with optional OR-703)
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0–22 vol%, ±(0.15 vol% + 5 % of reading)
22–25 vol%, unspecified
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Gas standards
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ATP, ATPD, ATPS, AP21, AP25, STP, STPD0, STPD20, STPD21, STPH, BTPS, BTPS-A, BTPD, BTPD-A, 0/1013, 20/981, 15/1013, 25/991, 20/1013, 23/1013, NTPD, NTPS
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Respiratory Parameter
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Breath rate
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Rate
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1–2000 bpm
±1 bpm* or ±1 %**
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Inspiratory time
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Ti
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0.01–60s
±0.01 s
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Expiratory time
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Te
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0.01–90s
±0.01 s
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Inspiratory hold time
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TiH
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0–60s
±0.01 s
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Expiratory hold time
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TeH
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0–90s
±0.01 s
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Post-inspiratory pause
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% Tp
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0–100 %
±0.1 %
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Ratio
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I:E
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1:300–300:1
±2 %*
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Ti/TTotal
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0–100 %
±5 %*
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Breath Volume
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Vti, Vte
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±60 L
±1.75 %* or ±0.10 mL
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Minute Volume
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Vi, Ve
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0–300 L/min
±1.75 %* or ±5 mL
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Pressure
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PPeak, PMean, PEEP, PPlateau
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0–160 mbar
±0.75 %* or ±0.1 mbar**
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Peak flow
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PFInsp, PFExp
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± 300 L/min
±1.65 %* or ±0.04 L/min**
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Compliance
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CStat
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0–1000 mL/mbar
±3 %* or ±0.01 mL/mbar**
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Trigger
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Automatic, Adult, Pediatric, HFO, ext. Trigger
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Adult, Pediatric, HFO; Adjustable on flow or pressure curves with user-defined limits.
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General information
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Power
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100–240 VAC, 50/60 Hz
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Battery operation
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16 hours
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Power consumption
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Typical 5 VA, max. 25 VA (during battery charging)
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Weight
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3.2 kg
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Dimension (w × d × H)
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24 × 26 × 13 cm
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Data Storage
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Internal, USB stick
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Display
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High resolution touch-screen display 5" (800 × 480 px)
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Interfaces
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USB-A for USB stick, USB-B for FLowLab Software, individual communication, TTL for external trigger, RS232
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Calibration
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Annually
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Operating temperature
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10–40 °C (50–104 °F)
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Operating humidity
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10–90 % R.H.***
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Approvals
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CE, CSA (North America), IEC 61010-1:2010/AMD1:2016, IEC 61326-1:2020
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The greater tolerance is valid:
* Tolerance related to the measured value,
** Absolute tolerance, with steady air flow,
*** Non-condensing,
**** The unit L/min is based on ambient conditions of 0 °C and 1013.25 mbar (DIN 1343).
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