www.sensirion.com / D1

Version 2

– July 2021

5/17

Relative Humidity Accuracy at the Extended Temperature Range

The typical RH accuracy

tolerances in the range of T=0°C … 80 °C are given in Figure 6 and

Figure 7.

SHT40 |typ. Delta %RH|

100

3

90

2

80

70

60

50

1.8

40

30

20

2

10

0

3

0

10

20

30

40

50

60

70

80

Temperature (°C)

SHT41 |typ. Delta %RH|

100

90

2

80

70

60

50

1.8

40

30

20

10

2

0

0

10

20

30

40

50

60

70

80

Temperature (°C)

Figure 4: Typical RH accuracy tolerance over

humidity and temperature for SHT40.

Figure 5: Typical RH accuracy tolerance over

humidity and temperature for SHT41.

2.2 Temperature

Parameter

Conditions

Value

Units

SHT40 T Accuracy1

typ.

0.2

°C

max.

see Figure 6

-

SHT41 T Accuracy1

typ.

0.2

°C

max.

See Figure 7

-

SHT45 T Accuracy1

typ.

0.1

°C

max.

tbd

-

Repeatability2

high

0.04

°C

medium

0.07

°C

low

0.1

°C

Resolution4

-

0.01

°C

Specified range5

-

–40 to +125

°C

Response time9

t63%

2

s

Long-term drift10

typ.

<0.03

°C/y

Table 2: General temperature sensor specifications.

9 Temperature response time depends on heat conductivity of sensor substrate and design-in of sensor in application.

10 Max. value is < 0.04°C/y.