Welch Allyn LC101 CO2 Module - User Manual - Manual (Page 78)

LC101 CO
2
Module OEM Implementation Manual
Page 78 Confidential Welch Allyn OEM Technologies
a.Typical CO
2
accuracy is based on the following:
Ambient temperature 22
o
C
Standard gas mixture of CO
2
in balance air
Barometric pressure at 760 mmHg (sea level)
CO
2
sample line 7 foot, I.D. 0.055” (1.4 mm)
Welch Allyn OEM Technologies Watertrap (P/N 002.70860) and Watertrap Receiver (P/N 112.00039)
Sampling flow rate 175 ml/min
Respiratory rate < 30 BPM, stable to ±3 BPM
I:E ratio = 1:2
Note: CO
2
accuracy is derated between 5
o
to 15
o
C and 45
o
to 55
o
C:
+/- 4 mmHg0-40 mmHg
+/- 10% of reading41-76 mmHg
+/- 12% of reading77-99 mmHg
CO
2
accuracy is also affected at high breath rates, i.e. >50 BPM, I:E ratio = 1:1.
ENVIRONMENTAL SPECIFICATIONS
Ambient Operating Range
Temperature
Humidity
Barometric Pressure
Pressure Compensation
5
o
to 55
o
C (50
o
to 131
o
F)
15% to 95% RH (non-condensing)
420 to 795 mmHg (15,500 feet to -1300 feet)
Automatic at power on and watertrap replacement
Ambient Shipping/Storage Range
Temperature
Humidity
Barometric Pressure
-40
o
to 70
o
C (-40
o
to 158
o
F)
10% to 100% RH (non-condensing)
375 to 795 mmHg (45,000 feet to -1300 feet)
INTERFACE SPECIFICATIONS
Input Power +5 V regulated, or +5.75 to 14.5 V unregulated
Maximum Ripple Voltage 100 mV peak-to-peak
Power Consumption 570 mW (Typical non-measurement power at 8 V)
1.3 W (Typical measurement mode power at 8 V)
1.5 W (Typical occluded power at 8 V)
Communication Asynchronous serial
Data format is either 7E1 or 8E1 (configurable option)
9600 Baud
Full Duplex
Software Upgrades Serial Port (download to FLASH memory)
BTPS Compensation Yes, user-controlled
N
2
O, O
2
, and Desflurane Com-
pensation
Yes, user-controlled