www.sensirion.com

version 1.0 – December 2021

4/22

Parameter

Conditions

Values

Units

Min.

Typ.

Max.

–

<60

–

s

Time until specifications in this

table are met

SRAW_VOC

–

<1

–

h

VOC Index

–

<1.5

–

h

SRAW_NOX

–

<7

–

d

–

<6

–

h

Sensitivity6

SRAW_VOC, doubling VOC

concentration in else clean air

Ethanol in

specified range

–

−870

–

ticks

5’000 to 10’000

ppb of ethanol

−710

−870

−1’030

ticks

concentration in else clean air

range

–

+1’480

–

ticks

150 to 300 ppb of

+950

+1’480

+2’010

ticks

Sampling interval

–

0.5

1

10

s

Table 1 Gas sensing specifications at 25 °C and 50 % RH in zero air (considered as clean air for indoor air quality applications) and a power

supply of VDD of 3.3 V.

ethanol.

Figure 2 Typical sensor response by the VOC signal to ethanol,

were recorded at 25 °C and 50 % RH and a power supply of VDD of

3.3 V.

were recorded at 25 °C and 50 % RH and a power supply of VDD of

3.3 V.

8

respectively, without this event during the same duration.