CO-AF Carbon Monoxide Sensor (CO Sensor) PERFORMANCE

Sensitivity

nA/ppm in 400ppm CO

55 to 90

Response time

t90 (s) from zero to 400ppm CO

< 25

Zero current

ppm equivalent in zero air

-4 to +2

Resolution

RMS noise (ppm equivalent)

< 0.5

Range ppm

CO limit of performance warranty

5,000

Linearity

ppm error at full scale, linear at zero, 1000ppm CO

 +15 to +25

Overgas limit

maximum ppm for stable response to gas pulse

10,000

CO-AF Carbon Monoxide Sensor (CO Sensor) LIFETIME

Zero drift

ppm equivalent change/year in lab air

< 0.2

Sensitivity drift

% change/year in lab air, monthly test

< 8

Operating life

months until 80% original signal (24 month warranted)

> 24

CO-AF Carbon Monoxide Sensor (CO Sensor) ENVIRONMENTAL

Sensitivity @ -20°C

% (output @ -20°C/output @ 20°C) @ 400ppm CO

63 to 88

Sensitivity @ 50°C

% (output @ 50°C/output @ 20°C) @ 400ppm CO

102 to 115

Zero @ -20°C

ppm equivalent change from 20°C

< ± 3

Zero @ 50°C

ppm equivalent change from 20°C

< ± 8

CO-AF Carbon Monoxide Sensor (CO Sensor) CROSS SENSITIVITY

Filter capacity

pm·hours H2S

250,000

Filter capacity

ppm-hours NO2

600,000

Filter capacity

ppm-hours NO

20,000

Filter capacity

ppm-hours SO2

300,000

H2S    sensitivity

% measured gas @ 20ppm H2S

< 0.1

NO2   sensitivity

% measured gas @ 10ppm NO2

< 0.1

Cl2     sensitivity

% measured gas @ 10ppm Cl2

< 0.1

NO     sensitivity

% measured gas @ 50ppm NO

< 5

SO2   sensitivity

% measured gas @ 20ppm SO2

< 0.1

H2     sensitivity

% measured gas @ 400ppm H2 at 20°C

< 60

C2H4 sensitivity

% measured gas @ 400ppm C2H4

< 25

NH     sensitivity

% measured gas @ 20ppm NH3

< 0.1

CO-AF Carbon Monoxide Sensor (CO Sensor) KEY SPECIFICATIONS

Temperature range

°C

-30 to 50

Pressure range

kPa

80 to 120

Humidity range

% rh continuous

15 to 90

Storage period

months @ 3 to 20°C (stored in sealed pot)

6

Load resistor

Ω (recommended)

10 to 47

Weight

g

< 6