Mainstream co, Specifications – Welch Allyn 20хEL Propaq Encore Vital Signs Monitor - Reference Guide User Manual
Page 148

Capnography (CO
2
)
Welch Allyn
148
Propaq Encore Reference Guide
Mainstream CO
2
Specifications
Characteristic
Specification
Mainstream CO
2
Sensor
Sensor Type
Mainstream
Principle of Operation
Non-dispersive, infrared, single-beam, single path/wavelength,
ratiometric
Warm-up time (CO
2
sensor and
monitor)
45 sec typical, 3 min maximum
Response Time
30 ms typical, 60 ms maximum
Waveform Rise Time
<120 ms to 90% after step change
Calibration
Verify semi-annually, calibrate only as required
Sensor Housing Temperature
42°C nominal
Mainstream CO
2
Sensor and Cable Dimensions and Weight
Sensor Height
a
a.not including cable
1.003 in
Sensor Width
a
1.036 in
Sensor Depth
a
0.78 in
Sensor Weight
a
< .39 oz
Cable Length
10 ft (3.05 m) nominal
Mainstream CO
2
Airway Adapter
Type
Per ISO 3040, single-use
Size
15 mm ID, (meets ISO specifications)
Material
clear polycarbonate, with sapphire windows
Added Deadspace
< 6cc (.37 cubic inches) for adult model, <0.6 cc (.037 cubic inches) for
low deadspace model
Mainstream CO
2
Sensor Environmental Specifications
Operating Ambient Temperature
10° to 40°C
Storage Temperature
-20° to 60°C
Operating Altitude
-2,000 to 15,000 ft (-610 to 4,572 m), 817 to 429 mmHg
Storage Altitude
-2,000 to 40,000 ft (-610 to 12,192 m), 817 to 141 mmHg
Operating and Storage Humidity
0% to 95%, noncondensing
Shock
100 g for 4 msec
Vibration
5-35 Hz, 0.015 in peak-to-peak,
35-100 Hz, 1 g acceleration
Drop
36 inches free fall to floor (tile over concrete, one drop each face, one
drop each edge/corner)