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

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

ENVIRONMENTAL

Sensitivity at -20°C % (output at -20°C/output @ 20°C) at 400ppm CO   63 to 88
Sensitivity at 50°C  % (output at 50°C/output @ 20°C) at 400ppm CO     102 to 115
Zero at -20°C         ppm equivalent change from 20°C      < ± 3
Zero at 50°C          ppm equivalent change from 20°C     < ± 8

CROSS SENSITIVITY

Filter capacity ppm·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 at 20ppm H2S               < 0.1
NO2    sensitivity % measured gas at 10ppm NO2              < 0.1
Cl2      sensitivity % measured gas at 10ppm Cl2                < 0.1
NO      sensitivity % measured gas at 50ppm NO                < 5
SO2    sensitivity % measured gas at 20ppm SO2              < 0.1
H2       sensitivity % measured gas at 400ppm H2 at 20oC  < 60
C2H4  sensitivity % measured gas at 400ppm C2H4          < 25
NH3    sensitivity % measured gas at 20ppm NH3              < 0.1 

 KEY  SPECIFICATIONS

Temperature range  °C                          -30 to 50

Pressure range        kPa                         80 to 120
Humidity range        % rh continuous         15 to 90
Storage period         months at 3 to 20°C (stored in sealed pot) 6
Load resistor            Ω (recommended)     10 to 47
Weight                      g                              < 6