User’s
Manual for OMNI Express Patient Monitor
101
037.007.0001 Rev.2
Storage Temperature:
−40
～
70 °C (−40
～
158 °F)
Operation Humidity:
< 4 kPa H
2
O (non-condensing)
(95 %RH at 30 °C)
Storage Humidity:
5
～
100 %RH (condensing)
(100 %RH at 40 °C)
Operating Atmospheric Pressure:
52.5
～
120 KPa
(corresponding to a max altitude of 4 572 m /
15 000 feet)
Storage Atmospheric Pressure:
20
～
120 kPa
(corresponding to a max altitude of 11 760 m /
38 600 feet)
Water Handing:
Sampling line with proprietary water removal
tubing
Sampling Lines:
2 ± 0.1 m and 3 ± 0.1 m versions
Breath Detection:
Adaptive threshold, minimum 1 vol% change
in CO
2
concentration.
Respiration Rate:
0
～
150 ± 1 breaths/minute
Sampling Flow Rate:
50 ± 10 ml/min
Compensations:
ISA CO
2
: Automatic compensation for
pressure and temperature. Manual
compensation for broadening effects on CO
2
.
ISA OR+/AX+: Automatic compensation for
pressure, temperature and broadening effects
on CO
2
.
Calibration:
No span calibration is required for the IR
bench. An automatic zero reference
calibration is performed at startup and then
every 24 hours
1)
.
Warm-up Time:
ISA CO
2
: < 10 s (Concentrations reported and
full accuracy)
ISA OR+/AX+: < 20 s (Concentrations
reported, automatic agent identification
enabled and full accuracy)
Typical Rise Time at 50 ml/min sample
flow:
CO
2
:
<=200 ms (<=250 ms for ISA OR+/AX+)
N
2
O: <=350 ms
Agents:<=350 ms
O
2
: <=450 ms
Primary Agent Threshold:
(ISA OR+/AX+)
0.15 vol%. When an agent is identified,
concentrations will be reported even below
0.15 vol%
Secondary Agent Threshold:
(ISA OR+/AX+)
0.2 vol%+10 % of total agent concentration
Agent Identification Time:
(ISA OR+/AX+)
< 20 s (typically < 10 s)
Total System Response Time:
< 3 s (with 2 m sampling line)
Accuracy--Standard Conditions
The following accuracy specifications are valid for dry single gases at 22 ± 5 °C and 1013 ±
40 hPa.
Gas
Range
2)
Accuracy
CO
2
0
～
15 vol%
15
～
25 vol%
±(0.2 vol% + 2 % of
reading)
Unspecified
N
2
O
0
～
100 vol%
±(2 vol% + 2 % of reading)
HAL, ENF, ISO
0
～
8 vol%
8
～
25 vol%
±(0.15 vol% + 5 % of
reading)
Unspecified
