CH-A3 Flammable Gas Sensors - Alphasense - (Version JPG) - Page n° 2 - PDF Catalogue | Technical Documentation

See other catalogues for Alphasense

Carbon monoxide sensor, Electrochemical sensor, Catalytic sensor, Nitrogen monoxide sensor, Nitrogen dioxide sensor

Text version of the page

Figure 2 Sensitivity Temperature Dependence

108

Figure 2 shows the variation in sensitivity caused by changes in temperature.

Data are taken from a typical batch of sensors and the mean and ±95% confidence intervals are shown.

•■s o

o o

CM +-' TO -f-'

_TO

-30 -20

-10

Temperature (^oC)

Figure 3 Linearity

Figure 3 shows the non-linearity from 0 to 5% methane (volume). Sensor non-linearity at 100% LEL is less than 4%.

Data are taken from a typical batch of sensors and the mean and ±95% confidence intervals are shown.

LU _l

-1

_ar e

-2

-3

-4

-5

Methane (% volume)

Figure 4 Voltage Sensitivity

Sensitivity remains nearly constant over small voltage variations. Accurate setting of the pellistor voltage is not necessary.

⁾

₍m

H—I

n e

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.1

3.2

Bridge voltage (V)

For further information on the performance of this sensor, on other sensors in the range or any other subject, please contact Alphasense Ltd. For Application Notes visit "www.alphasense.com".

In the interest of continued product improvement, we reserve the right to change design features and specifications without prior notification. The data contained in this document is for guidance only. Alphasense Ltd accepts no liability for any consequential losses, injury or damage resulting from the use of this document or the information contained within it ( ©ALPHASENSE LTD ) Doc. Ref. TDS/CHA3/Issue 2

CH-A3 Flammable Gas Sensors - Alphasense - #2

Carbon monoxide sensor, Electrochemical sensor, Catalytic sensor, Nitrogen monoxide sensor, Nitrogen dioxide sensor