Mindray WATO EX-65, Operator'S Manual

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B-11
B.11 O2 Sensor Specifications
O
2
sensor
Output 9-13 mV at 210 hPa O2
Range 0 to 1500 hPa O2
100% O2 signal deviation 100±1%
Resolution 1 hPa O2
Expected working life 1.5 x 106 % for measurement (20°C)
0.8 x 106 % for measurement (40°C)
Response time (21% air to 100% O2) < 15 s
Linearity Linear 0-100% O2
Operating temperature range -20°C to +50°C
Temperature compensation ±2% of fluctuation at 0-40°C
Pressure range 50 to 200 KPa
Related humidity 0 to 99%
100% O2 concentration output drift Over one year of typical value <5%
Material White ABS
Packaging Sealed package
Service life Not more than 13 months after unpacked (in
compliance with the service conditions specified
by the manufacturer)
Effect of interfering gas
Gas under test Error (% O2)
50% He/50% O2 <1%
80% N2 O/20% O2 1 to 1.5%
4% Halothane/28.8% O2 /67.2% N2O 1.5% to 2%
5% Sevoflurane/28.5% O2 / 66.5% N2O 1 to 1.5%
5% Enflurane/28.5% O2 /66.5% N2O 1.8% 1.2 to 1.8%
5% Isoflurane/28.5% O2 /66.5% N2O 1.2 to 1.8%
5% CO2 / 28.5% O2 /66.5% N2O <1%