SHT10 datasheet(2/12 Pages) ETC2

2 / 12 page

Datasheet SHT1x

www.sensirion.com

Version 5 – December 2011

2/12

Sensor Performance

Relative Humidity123

Parameter

Condition

min

typ

max

Units

Resolution 1

0.4

0.05

%RH

bit

Accuracy 2

SHT10

typical

±4.5

%RH

maximal

see Figure 2

Accuracy 2

SHT11

typical

±3.0

%RH

maximal

see Figure 2

Accuracy 2

SHT15

typical

±2.0

%RH

maximal

see Figure 2

Repeatability

±0.1

%RH

Hysteresis

±1

%RH

Non-linearity

linearized

<<1

%RH

Response time 3

τ (63%)

Operating Range

100

%RH

Long term drift 4

normal

< 0.5

%RH/yr

SHT11

SHT15

SHT10

± 0

± 2

± 4

± 6

± 8

± 10

100

Relative Humidity (%RH)

Figure 2: Maximal RH-tolerance at 25°C per sensor type.

Electrical and General Items

Parameter

Condition

min

typ

max

Units

Source Voltage

2.4

3.3

5.5

Power

Consumption 5

sleep

measuring

average

Communication

digital 2-wire interface, see Communication

Storage

10 – 50°C (0 – 125°C peak), 20 – 60%RH

1 The default measurement resolution of is 14bit for temperature and 12bit for

humidity. It can be reduced to 12/8bit by command to status register.

2 Accuracies are tested at Outgoing Quality Control at 25°C (77°F) and 3.3V.

Values exclude hysteresis and are applicable to non-condensing environments

only.

3 Time for reaching 63% of a step function, valid at 25°C and 1 m/s airflow.

Temperature45

Parameter

Condition

min

typ

max

Units

Resolution 1

0.04

0.01

°C

bit

Accuracy 2

SHT10

typical

±0.5

°C

maximal

see Figure 3

Accuracy 2

SHT11

typical

±0.4

°C

maximal

see Figure 3

Accuracy 2

SHT15

typical

±0.3

°C

maximal

see Figure 3

Repeatability

±0.1

°C

Operating Range

-40

123.8

°C

-40

254.9

°F

Response Time 6

τ (63%)

Long term drift

< 0.04

°C/yr

SHT11

SHT15

SHT10

± 0.0

± 0.5

± 1.0

± 1.5

± 2.0

± 2.5

± 3.0

-40

-20

100

Temperature (°C)

Figure 3: Maximal T-tolerance per sensor type.

Packaging Information

Sensor Type

Packaging

Quantity

Order Number

SHT10

Tape & Reel

2000

1-100218-04

SHT11

Tape & Reel

100

1-100051-04

Tape & Reel

400

1-100098-04

Tape & Reel

2000

1-100524-04

SHT15

Tape & Reel

100

1-100085-04

Tape & Reel

400

1-100093-04

This datasheet is subject to change and may be

amended without prior notice.

4 Value may be higher in environments with high contents of volatile organic

compounds. See Section 1.3 of Users Guide.

5 Values for VDD=3.3V at 25°C, average value at one 12bit measurement

per second.

6 Response time depends on heat capacity of and thermal resistance to

sensor substrate.

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