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2.2 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 3.

RH (%RH)

SHT41A [typ. Delta %RH]

100

2

90

80

70

60

50

40

30

20

10

0

0 10 20 25 30 40 50 60 70 80

Temperature [°C]

Figure 3. Typical RH accuracy tolerance over

humidity and temperature for SHT41A.

2.3 Temperature

Parameter

Conditions

Value

Units

SHT41A T Accuracy1

typ.

0.2

°C

max.

See Figure 4

-

Repeatability1

high

0.04

°C

medium

0.07

°C

low

0.1

°C

Resolution2

-

0.01

°C

Specified range3

-

–40 to +125

°C

Response time7

t63%

2

s

Long-term drift8

typ.

<0.03

°C/y

Table 2. General temperature sensor specifications.

7

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

8

Max. value is <0.04°C/y.