UK Alphasense Electrochemical Chlorine Gas Sensor CL2 Sensor - CL2-B1

Performance

Sensitivity

10ppmCL2，nA/ppm

-600~-1150

Response time

t90 from zero to 10ppmCL2 (s)

<60

Zero current

ppm content in zero air

±0.2

Resolution

Average noise (ppm)

< 0.02

Range

CL2 warranty detection range (ppm)

20

Linearity

Full scale ppm error, linear at 0-10ppm

< ± 0.2

Overload

ppm for stable response to gas pulses

60

Life

Zero drift

ppm change per year in laboratory air

< 0.03

Sensitivity drift

Percentage change per year in laboratory air

<6

Operating life

Time until output drops to 80% of original signal (months) (warranty 24 months)

> 24

Environment

Sensitivity at -20°C

At 10ppm CL2, (output at -20°C / output at 20°C)

70-90

Sensitivity at 50°C

At 10ppm CL2, (output at 50°C / output at 20°C)%

90-105

Zero at -20°C

ppm change relative to 20°C

< 0~ 0.1

Zero at 50°C

ppm change relative to 20°C

<0~-1

Cross sensitivity

H2S

Percentage sensitivity to 20ppm H2S

SO2

Percentage sensitivity to 10ppm NO2

100

NO

Percentage sensitivity to 50ppm NO

<0.5

SO2

Percentage sensitivity to 20ppm SO2

CO

Percentage sensitivity to 400ppm CO

<0.1

H2

Percentage sensitivity to 400ppm H2

<0.1

C2H4

Percentage sensitivity to 400ppm C2H4

<0.1

NH3

Percentage sensitivity to 20ppm NH3

<0.1

CO2

Percentage sensitivity to 5% CO2

0

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 resistor

Ω (recommended)

33

Weight

grams

<13