A - 26 BeneVision N22/N19 Patient Monitor Operator’s Manual
A.14.15 tcGas Specifications
A.14.16 AG Specifications
Accuracy drift Meet the requirement for measurement accuracy within 6 hours
Resolution 1 mmHg
Rise time <60 ms
Data sample rate 100 Hz
awRR measurement range 0 to 150 rpm
awRR measurement accuracy ±1 rpm
Accuracy (of the measured CO
2
 partial pressure) applies for breath rates of up to 80 bpm. For breath rates above 80 bpm, 
accuracy is4 mmHg or ±12% of reading whichever is greater for EtCO
2
 values exceeding 18 mmHg
Operating mode Interfaces with TCM CombiM or TCM TOSCA monitor
Parameters Measurement range Measurement accuracy
tcpCO
2
5 to 200 mmHg (0.7 to 26.7 
kPa)
TOSCA Sensor 92, tc Sensor 54: 
1% CO
2
: better than 1 mmHg (0.13 kPa)
10% CO
2
: better than 1 mmHg (0.13 kPa)
33% CO
2
: better than 3 mmHg (0.4 kPa)
tc Sensor 84: 
1% CO
2
: better than 1 mmHg (0.13 kPa)
10% CO
2
: better than 1 mmHg (0.13 kPa)
33% CO
2
: better than 5 mmHg (0.67 kPa)
tcpO
2
0 to 800 mmHg (0.0 to 99.9 
kPa)
tc Sensor 84: 
0% O
2
: better than 1 mmHg (0.13 kPa)
21% O
2
: better than 3 mmHg (0.4 kPa)
50% O
2
: better than 5 mmHg (0.67 kPa)
90% O
2
: better than 25 mmHg (3.33 kPa)
SpO
2
0 to 100%  70% to 100%: ±3% 
PR 25 bpm to 240 bpm ±3 bpm 
Power 0 to 1000 mW ±20% of reading
Standard Meet the standard of ISO 80601-2-55
Technique Infrared absorption
Warm-up time Iso accuracy mode: 
Full accuracy mode: 
45 s
10 min
Sample flow rate Adult, pediatric:
Neonate:
Accuracy: 
 200 ml/min
120 ml/min
±10 ml/min or ±10%, whichever is greater