UK Alphasense Hydrogen Peroxide Sensor Hydrogen Peroxide Gas Sensor - H2O2-B1

Performance

(Tested with substitute gas CO)

Sensitivity

Sensitivity at 400ppm CO (nA/ppm)

50~90

Response Time

t90 time from zero to 400ppm CO (s)

< 25

Zero Current

Equivalent ppm in zero air

<±4

Resolution

RMS noise (equivalent ppm)

< 0.5

Range

Measurement limit guaranteeing performance (ppm)

2000

Linearity

ppm error over full range, linear from 0~1000ppm

<±30

Overload

Max ppm for stable response to gas pulses

5000

Life

Zero Drift

Equivalent ppm change per year in laboratory air

<0.1

Sensitivity Drift

Percentage change per year in laboratory air, monthly test

< 3

Operating Life

Months until output drops to 80% of original signal (24-month warranty)

> 24

Environment

Sensitivity at -20°C

Output at -20°C / output at 20°C for 400ppm CO (%)

70~88

Sensitivity at 50°C

Output at 50°C / output at 20°C for 400ppm CO (%)

102~115

Zero at -20°C

Change in equivalent ppm relative to zero at 20°C

<±1

Zero at 50°C

Change in equivalent ppm relative to zero at 20°C

<±6

Cross Sensitivity

H₂S

20ppm H₂Sensitivity percentage to measured gas at S

< 200

NO₂

10ppm NO₂Sensitivity percentage to measured gas at

< 50

Cl₂

10ppm Cl₂Sensitivity percentage to measured gas at

< -1

NO

Sensitivity percentage to measured gas at 50ppm NO

< 80

SO₂

20ppm SO₂Sensitivity percentage to measured gas at

< 50

H₂

400ppm H₂Sensitivity percentage to measured gas at

< 65

C₂ H₄

400ppm C₂Sensitivity percentage to measured gas at H 4

< 65

NH₃

20ppm NH₃Sensitivity percentage to measured gas at

< 0.1

Key Parameters

Temperature Range

℃

-30~50

Pressure Range

kPa

80~120

Humidity Range

Continuous Relative Humidity Percentage

15~90

Storage Period

Months of storage at 3~20℃ (must be stored in sealed container)

6

Load Resistance

Ω (recommended)

10~47

Weight

g

< 13