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Feature
Chip model:HTU21D
Power supply voltage:3.3V
Communication method; IIC
Relative humidity
(@ T = 25 C, @ Vdd = 3V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Accuracy
12bits
0.04
%RH
8bits
0.7
%RH
Measuring range
RH
0
100
%RH
Humidity error value at 25 C (20% RH ~ 80% RH)
Typical
÷2
%RH
Maximum
%RH
Interchangeability
Fully interchangeable
Temperature coefficient (0 C ~ 80 C)
-0.15
%RH/C
Humidity hysteresis
÷1
%RH
Measure time
12 bits
14
16
ms
11 bits
7
8
ms
10 bits
4
5
ms
8 bits
2
3
ms
PSRR
÷10
LSB
Recovery time after 150 hours at low temperature
t
10
s
Long drift
Response time (63% of signal)
5
10
s
Temperature
Parameter
Symbol
Min.
Typ.
Max.
Unit
Resolution
14 bits
0.01
C
12 bits
0.04
C
Temperature measurement range
T
-40
÷125
C
Humidity error value at 25 C (20% RH ~ 80% RH)
Typical
÷0.3
C
Maximum
C
Interchangeability
Fully interchangeable
Measure time
14 bits
44
50
ms
13 bits
22
25
ms
12 bits
11
13
ms
11 bits
6
7
ms
PSRR
÷25
LSB
Long drift
0.04
C/yr
Response time (@ 63% of signal)
10
s
1. Used to calculate the communication waiting time, but also used to calculate energy consumption
2. At wind speed of 1m / s
Package includes
1 x Sensor module with pin
Additional information
| Weight | 0.003 kg |
|---|
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