UK Alphasense Electrochemical Chlorine Gas Sensor CL2 Sensor - CL2-A1

Performance

Sensitivity

10ppmCL2，nA/ppm

-350~-750

Response time

t90 from zero to 10ppm CL2 (s)

<60

Zero current

ppm in zero air

< ±0.3

Resolution

Average noise (ppm)

< 0.02

Range

CL2 warranty detection range (ppm)

20

Linearity

Full scale ppm error, linear at 0-10ppm

< ± 1.5

Overload

ppm for stable response to gas pulses

50

Life

Zero drift

ppm change per year in laboratory air

< 0.05

Sensitivity drift

Percentage change per year in laboratory air

<10

Operating life

Time for output to drop to 80% of original signal (months) (24 months warranty)

> 24

Environment

Sensitivity at -20°C

Output at -20°C / output at 20°C for 10ppm CL2

65-85

Sensitivity at 50°C

Output at 50°C / output at 20°C for 10ppm CL2 (%)

105~125

Zero at -20°C

ppm change relative to 20°C

< ± 0.2

Zero at 50°C

ppm change relative to 20°C

<0~-0.8

Cross sensitivity

H2S

Percentage sensitivity to 20ppm H2S

<-300

SO2

Percentage sensitivity to 10ppm NO2

100

NO

Percentage sensitivity to 50ppm NO

<3

SO2

Percentage sensitivity to 20ppm SO2

  <-8

CO

Percentage sensitivity to 400ppm CO

<0.1

H2

Percentage sensitivity to 400ppm H2

<0.1

C2H4

Percentage sensitivity to 400ppm C2H4

<0.1

Key Parameters

Temperature range

℃

-20 ~ 50

Pressure range

Kpa

80-120

Humidity range

%rh

15-90

Storage period

Sealed storage period at 3-20℃ (months)

6

Load resistance

Ω (recommended)

33

Weight

grams

< 6