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Honeywell HumidIcon™ Digital  
Humidity/Temperature Sensors  
HIH8000 Series  
±±2. ꢀ%H ꢁccuracy ꢂ ±.20 5ꢃ Temperature ꢁccuracy  
Datasheet  
Honeywell HumidIcon™  
Digital Humidity/Temperature Sensors  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors, HIH8... Series, are digital output-type relative humidity (%H)  
and temperature sensors combined in the same package2 These sensors provide an accuracy level of 2ꢀ0 ꢁ%H and a  
temperature accuracy level of 0ꢀ. ꢂC2  
• Industry-leading long-term stability  
• Industry-leading reliability  
• True temperature-compensated digital I±ꢃ or SPI output  
• Energy efficiency  
• Lowest total cost solution  
• Ultra-small package size and options  
• Other accuracies available: ±12ꢄ ꢀ%H (HIH9... Series), ±32. ꢀ%H (HIHꢄ... Series), ±42. ꢀ%H (HIHꢅ1.. Series),  
and ±420 ꢀ%H (HIHꢅ... Series)  
HIH8131  
What makes our sensors better?  
HIH8130  
• One sensor does the work of two!  
• ±±2. ꢀ%H accuracy (humidity performance)  
• ±.20 5ꢃ accuracy (temperature performance)  
• -4. 5ꢃ to 1±0 5ꢃ [-4. 5F to ±0ꢄ 5F] operating  
temperature range  
The series consists of packaging variations, offering customers the ability to  
choose housing style (SIP 4-Pin or SOIꢃ-8 SMD), filter (hydrophobic filter or  
no filter), output (I±ꢃ or SPI), and packaging (tape and boxed, tape and reel, or  
HIH8120  
HIH8121  
samples on tape)2  
HIH8000 Series Housing, Filter, Output, and Packaging Comparison  
Output  
type  
Supply  
voltage  
Housing  
style  
Series*  
Filter  
Accuracy Output  
Packaging  
without filter,  
non-condensing  
1.. to ±49 units on tape  
and boxed, ±0. units or  
more on tape and reel; or  
0 sample pieces on tape  
HIH81±.-.±1-xxxx  
HIH81±1-.±1-xxxx  
HIH813.-.±1-xxxx  
SIP 4-pin  
SIP 4-pin  
I±ꢃ  
I±ꢃ  
with filter,  
condensation resistant  
without filter,  
non-condensing  
SOIꢃ-8 SMD  
I±ꢃ  
1... pieces on tape and  
reel; or 0 sample pieces  
on tape  
±23 Vdc to  
020 Vdc  
digital  
2ꢀ0 ꢁ%H  
without filter,  
non-condensing  
HIH813.-...-xxxx  
HIH8131-.±1-xxxx  
HIH8131-...-xxxx  
SOIꢃ-8 SMD  
SOIꢃ-8 SMD  
SOIꢃ-8 SMD  
SPI  
I±ꢃ  
with filter,  
condensation resistant  
1... pieces on tape and  
reel; or 0 sample pieces  
on tape  
with filter,  
condensation resistant  
SPI  
* See order guide on page 11 for complete catalog listings.  
INDUSTRY-LEADING RELIABILITY • ACCURACY • PACKAGING • LONG-TERM STABILITY  
sensing.honeywell.com  
2
INDUST%Y-LEADING LONG-TE%M STABILITY*  
(1ꢀ2 ꢁ%H OVE% FIVE YEA%S)  
Features  
ꢃompetitive humidity sensors require a 1± hour at ꢄ0 ꢀ%H rehydration process  
(which requires special equipment chambers) to correct reflow temperature offset2  
Honeywell’s sensor also experiences an offset after reflow; however, it only requires  
a five-hour rehydration under ambient conditions (>0. ꢀ%H)2 Honeywell’s industry-  
leading long-term stability:  
and Benefits  
• Minimizes system performance issues2  
• Helps support system uptime by eliminating the need  
to service or replace the sensor during its application  
life2  
0
• Eliminates the need to regularly recalibrate the  
sensor in the application, which can be inconvenient  
and costly2  
Y
%RH  
±±2C  
CURA  
C
A
INDUST%Y-LEADING %ELIABILITY  
(MTTF 9,312,.07 H%)*  
Thermoset-polymer capacitive sensing element’s multilayer construction  
provides resistance to most application hazards such as condensation, dust,  
dirt, oils, and common environmental chemicals, which help provide industry-  
leading reliability2  
Offers customers the lowest total cost solution.  
LOWEST TOTAL COST SOLUTION*  
Honeywell’s HumidIcon HIH8... Series delivers the lowest total cost solution due  
to the sensor’s industry-leading combined humidity/temperature sensorꢀ  
One sensor does the work of two!  
COMBINED HUMIDITY AND TEMPE%ATU%E SENSO%  
ꢁllows the %H measurement to be temperature compensated, and provides a  
second, standalone temperature sensor output; allows the user to purchase one  
sensor instead of twoꢀ  
ENE%GY EFFICIENT*  
•
Low supply voltage: ꢃan operate down to ±23 Vdc, which allows use in low  
energy and wireless-compatible applications to enhance energy savings  
and prolong system battery life2  
•
Low power consumption: The sensor goes into sleep mode when not  
taking a measurement within the application, consuming only 1 µꢁ of power  
versus ꢅ0. µꢁ in full operation in a battery operated system; sleep mode helps  
maximize battery life, reduces power supply size, and reduces the application’s  
overall weight2  
*ꢃompetitive Differentiator  
sensing.honeywell.com  
3
HIGH %ESOLUTION  
Features  
and Benefits  
High 14-bit humidity sensor resolution and 14-bit temperature sensor resolution  
within the application help the user’s system detect the smallest relative  
humidity or temperature changeꢀ  
Free up PCB space. Reduce costs.  
T%UE, TEMPE%ATU%E-COMPENSATED  
DIGITAL I2C O% SPI OUTPUT*  
Typically allows the customer to remove the components associated with signal  
conditioning from the PꢃB to free up space and reduce costs associated with  
those components (e2g2, acquisition, inventory, assembly)2 True, temperature-  
compensated digital I±ꢃ or SPI output often eliminates problems that could occur  
from having multiple signal conditioning components across the PꢃB, as well as  
simplifies integration to the microprocessor, eliminating the need for customer-  
implemented, complex signal conditioning2  
Choose options to best fit the application.  
HOUSING STYLE  
SOIꢃ-8 SMD (Surface Mount Device) or SIP 4 Pin; ultra-small size allows for  
flexibility of use within the application, occupies less space on the PꢃB, and  
typically simplifies placement on crowded PꢃBs or in small devices; industry  
standard design simplifies design-in2  
FILTE%  
ꢁvailable with hydrophobic filter and condensation-resistance, allowing for use in  
many condensing environments, or without hydrophobic filter, non-condensing2  
TAPE AND %EEL  
ꢁllows for use in high volume, automated pick-and-place manufacturing,  
eliminating lead misalignment to the PꢃB and helping the customer to reduce  
manufacturing costsꢀ  
WIDE OPE%ATING TEMPE%ATU%E %ANGE  
-4. 5ꢃ to 1±0 5ꢃ [-4. 5F to ±0ꢄ 5F] allows for use in many applications2  
OPTIONAL ONE O% TWO ꢁ%H LEVEL ALA%M OUTPUTS  
Provides the ability to monitor whether the %H level has exceeded or fallen below  
predetermined and critical levels within the application2  
MULTI-FUNCTION ASIC  
Delivers flexibility within the application by lowering or eliminating the risk and cost  
of OEM calibration2  
%OHS AND WEEE COMPLIANT, HALOGEN F%EE  
*ꢃompetitive Differentiator  
sensing.honeywell.com  
4
Potential Applications  
INDUST%IAL  
HVAC/%  
May be used to provide precise %H and temperature measurement in air  
conditioning/air movement systems, enthalpy sensing, thermostats, humidifiers/  
dehumidifiers, and humidistats to maintain occupant comfort and ideal storage  
humidity/temperature while achieving low energy consumption, supporting system  
accuracy and warranty requirements, maximizing system uptime, and improving  
overall system quality2  
AI% COMP%ESSO%S  
May be used to provide precise %H measurement in compressed air lines, allowing  
the system to remove any condensation; dry compressed air is critical for customer  
process control measurement2  
WEATHE% STATIONS  
May be used to provide precise %H and temperature measurement in ground-based  
and airborne weather stations, allowing real time and highly accurate monitoring/  
reporting of actual weather conditions2  
TELECOM CABINETS  
May be used to provide precise %H and temperature measurement in the telecom  
cabinet HVꢁꢃ system; maintaining proper temperature and humidity levels in the  
cabinet provides maximum system uptime and performance2  
INDUST%IAL INCUBATO%S/MIC%OENVI%ONMENTS  
May be used to provide optimal temperature and %H levels to support critical  
processes and experiments, enhancing process efficiency with desired climate  
conditions2  
G%AIN D%YING SYSTEMS  
May be used in cable-mounted grain drying management systems to measure  
the moisture content and temperature level inside the grain silos to help the grains  
remain dry2  
MEDICAL  
%ESPI%ATO%Y THE%APY  
May be used to provide precise %H and temperature measurement in sleep  
apnea machines and ventilators, enhancing patient comfort, safety and treatment  
effectiveness with warm and humidified air2  
INCUBATO%S/MIC%OENVI%ONMENTS  
May be used to provide optimal temperature and %H levels to support critical  
processes and experiments, enhancing process efficiency with desired climate  
conditions2  
sensing.honeywell.com  
.
HIH8000 Series ±±2. ꢀ%R ꢁAAcurAꢂ ꢃ ±.20 5ꢄ Cempeurtcue ꢁAAcurAꢂ  
Table 1ꢀ Environmental Specifications  
Characteristic  
Condition  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
Operating temperature range  
Operating humidity range  
Storage temperature range  
Storage humidity range  
powered  
powered  
unpowered  
–
-4. [-4.]  
.
–
–
–
–
1±0 [±0ꢄ]  
1..  
5ꢃ [5F]  
ꢀ%H  
-4. [-4.]  
3.  
1±0 [±0ꢄ]  
0.  
5ꢃ [5F]  
ꢀ%H  
Soldering temperature:  
manual  
automated  
4 s reflow peak  
3. s reflow peak  
–
–
–
–
30. [ꢅꢅ±]  
±ꢅ. [0..]  
5ꢃ [5F]  
ESD  
MIL-STD 883H, Method 3.102ꢄ  
–
–
–
–
–
±4  
kV  
Latch-up immunity  
±1..  
mꢁ  
MIL-STD ±.±G, Method ±13D, Test ꢃondition ꢃ,  
half-sine, ꢅ ms ±3 perpendicular axis, 3 shock pulses  
per axis  
Shock  
–
–
1..  
±.  
g
g
MIL-STD ±.±G, Method ±.4D, Test ꢃondition D,  
1. Hz to ±... Hz  
Vibration  
–
–
Light sensitivity  
exposed to 0. lumens yellow light; exhibited no change in output  
9,31±,0.ꢄ hr  
%eliability (MTTF)  
Table 2ꢀ Humidity Performance Specifications  
Characteristic  
Condition  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
Supply voltage range  
VDD  
±23  
323  
020  
9.  
Vdc  
ꢀ%H  
5ꢃ [5F]  
ꢀ%H  
ꢀ%H  
s
ꢃompensated humidity range1  
ꢃompensated temp2 range1  
%esolution  
0 5ꢃ to 0. 5ꢃ [41 5F to 1±± 5F]  
–
1.  
–
0 [41]  
–
–
0. [1±±]  
.2.4  
–
14 bit ꢁDꢃ resolution  
±0 5ꢃ [ꢄꢄ 5F] rising %H  
airflow minimum ±. l/min  
non-condensing  
–
–
–
.
–
ꢁccuracy±  
±±2.  
ꢅ
%esponse time  
8
Operating range  
–
1..  
±12±  
ꢀ%H  
ꢀ%H  
Long term stability  
0. ꢀ%H for 0 years  
±.2.0  
IPꢃ/EIꢁ/JEDEꢃ J-STD-.±.D, peak temp2  
of ±ꢅ. 5ꢃ [0.. 5F]  
Impact of soldering  
–
–
±±20  
ꢀ%H  
Notes:  
1 ꢃonversion Formulas:  
14 bit ꢁDꢃ output for humidity to ꢀ%H:  
14 bit ꢁDꢃ output for temperature conversion to 5ꢃ:  
Humidity_14_bit_ꢁDꢃ_output  
14 – ±  
Temperature_14_bit_ꢁDꢃ_output  
Temperature (ꢃ5) = x 1ꢅ0 – 4.  
Humidity (ꢀ%H) =  
x 1..  
±
±
14 – ±  
±
ꢁccuracy is specified at the typical supply voltage of 323 Vdc and at ±0 5ꢃ [ꢄꢄ 5F]2 It is the maximum deviation from the ideal transfer function of  
relative humidity measured over the compensated humidity range of 1. ꢀ%H to 9. ꢀ%H2  
sensing.honeywell.com  
6
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors  
Table 3ꢀ Temperature Performance Specifications  
Characteristic  
Condition  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
Supply voltage range  
ꢃompensated temp2 range  
%esolution  
VDD  
–
±23  
323  
020  
0. [1±±]  
.2.±0  
–
Vdc  
5ꢃ [5F]  
5ꢃ  
0 [41]  
–
–
14 bit ꢁDꢃ resolution  
0 5ꢃ to 0. 5ꢃ [41 5F to 1±± 5F]  
1/e slow moving air  
±0 5ꢃ for 0 years  
–
–
0
–
ꢁccuracy  
±.20  
–
5ꢃ  
%esponse time  
3.  
s
Long term stability  
–
±.2.0  
5ꢃ/yr  
IPꢃ/EIꢁ/JEDEꢃ J-STD-.±.D, peak temp2  
of ±ꢅ. 5ꢃ [0.. 5F]  
Impact of soldering  
–
–
±.21  
5ꢃ  
Table 4ꢀ Current Consumption  
Characteristic  
VDD  
Abbrꢀ  
Condition  
Typꢀ  
Maxꢀ  
Unit  
Sleep current  
323  
ISLEEP  
–
.2ꢅ  
1
µꢁ  
Supply current:  
I±ꢃ  
SPI  
323  
323  
IDD  
IDD  
14 bit fastest update, no sleep  
14 bit fastest update, no sleep  
.2ꢅ0  
.2ꢄ0  
1
1
mꢁ  
mꢁ  
Table .ꢀ Input and Output Characteristics  
Characteristic  
Abbrꢀ  
Condition  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
Supply voltage  
VDD  
VOL  
VOH  
VIL  
–
±23  
–
323  
–
020  
±. ꢀ  
–
Vdc  
VDD  
VDD  
VDD  
VDD  
Low level output voltage  
High level output voltage  
Low level input voltage  
High level input voltage  
IOL = ±28 mꢁ min2  
IOH = -±28 mꢁ min2  
8. ꢀ  
–
–
–
–
–
±. ꢀ  
–
VIH  
8. ꢀ  
–
Pull-up resistor:  
I±ꢃ  
%
–
–
–
–
±2±  
1.  
–
–
kOhm  
kOhm  
P
SPI (for SS only)  
%
SS  
Table 6ꢀ Measurement Timing  
Characteristic  
Abbrꢀ  
Condition  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
Start-up time (power-on to  
data ready)  
TSTꢁ  
14 bit TH and 14 bit humidity resolution  
–
0.  
ꢅ.  
ms  
Update rate  
application dependent: measurements are taken only when the application requests them  
sensing.honeywell.com  
7
HIH8000 Series ±±2. ꢀ%R ꢁAAcurAꢂ ꢃ ±.20 5ꢄ Cempeurtcue ꢁAAcurAꢂ  
Figure 1ꢀ I2C Timing Diagram  
SDA  
tLOW  
tSUDAT  
tHDSTA  
tBUS  
SCL  
tHDSTA  
tHDDAT  
tHIGH  
tSUSTO  
tSUSTA  
Characteristic  
Abbrꢀ  
FSꢃL  
tHDSTꢁ  
tLOW  
Minꢀ  
Typꢀ  
Maxꢀ  
Unit  
SꢃL clock frequency  
1..  
.21  
.2ꢅ  
.2ꢅ  
.21  
.
–
–
–
–
–
–
–
–
–
4..  
–
kHz  
µs  
µs  
µs  
µs  
µs  
µs  
µs  
µs  
Start condition hold time relative to SꢃL edge  
Minimum SꢃL clock low width1  
Minimum SꢃL clock high width1  
–
tHIGH  
–
Start condition setup time relative to SꢃL edge  
Data hold time on SDꢁ relative to SꢃL edge  
Data setup time on SDꢁ relative to SꢃL edge  
Stop condition setup time on SꢃL  
tSUSTꢁ  
tHDDꢁT  
tSUDꢁT  
tSUSTO  
tBUS  
–
.20  
–
.21  
.21  
1
–
Bus free time between stop and start condition  
–
Note:  
1 ꢃombined low and high widths must equal or exceed minimum SꢃL period2  
Figure 2ꢀ SPI Timing Diagram  
tHDSS  
tHIGH tLOW  
SCLK  
HiZ  
HiZ  
MISO  
SS  
tSUSS  
tBUS  
Maxꢀ  
tCLKD  
tCLKD  
Characteristic  
Abbrꢀ  
Minꢀ  
Typꢀ  
Unit  
SꢃLK clock frequency  
fSꢃL  
tHDSS  
tLOW  
tHIGH  
tꢃLKD  
tSUSS  
tBUS  
0.  
±20  
.2ꢅ  
.2ꢅ  
.
–
–
–
–
–
–
–
8..  
–
kHz  
μs  
μs  
μs  
μs  
μs  
µs  
SS drop to first clock edge  
Minimum SꢃLK clock low width1  
Minimum SꢃLK clock high width1  
ꢃlock edge to data transition  
–
–
.20  
–
%ise of SS relative to last clock edge  
.21  
±
Bus free time between rise and fall of SS  
–
Note:  
1 ꢃombined low and high widths must equal or exceed minimum SꢃLK period2  
sensing.honeywell.com  
8
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors  
Figure 3ꢀ SOIC-8 SMD Typical Application Circuits  
I2C  
SPI  
V
SUPPLY = 2.3 Vdc to 5.5 Vdc  
VSUPPLY = 2.3 Vdc to 5.5 Vdc  
2.2  
kOhm  
2.2  
Digital Humidity/Temp.  
Sensor  
10  
kOhm  
kOhm  
Digital Humidity/Temp.  
Sensor  
8
1
2
3
4
6
5
SCL  
VDD  
8
1
2
3
4
5
6
SS  
VDD  
12 V  
0.22 µF  
0.22 µF  
SDA  
V
CORE  
SCLK  
VCORE  
LED  
0.1 µF  
0.1 µF  
AL_L  
AL_H  
V
SS  
MISO  
AL_L  
V
SS  
LED  
7
NC  
GND  
7
NC  
GND  
GND  
Figure 4ꢀ SOIC-8 SMD Mounting Dimensions, PCB Landing Pattern and Pinout [For reference only: mm/[in]ꢀ)  
Mounting  
Landing Pattern  
1,905  
[0.075]  
4,90  
8X 0,61  
[0.024]  
[0.193]  
0,15  
[0.006]  
8
7
5
6
8X 2,03  
[0.08]  
3,90  
[0.153]  
6,0  
[0.236]  
4X 4,9  
[0.193]  
1
2
4
3
0,203  
[0.0080]  
6X 1,27  
[0.05]  
2,055  
[0.081]  
1,27  
[0.050]  
0.41  
[0.016]  
Pinout for I2C Versions  
Pinout for SPI Versions  
Pin  
ASIC Pad  
Description  
Pin  
ASIC Pad  
Description  
1
±
VꢃO%E  
VSS  
connect via .21 µF to ground  
supply ground  
1
±
VꢃO%E  
VSS  
connect via .21 µF to ground  
supply ground  
3
SꢃL  
SDꢁ  
ꢁL_H  
ꢁL_L  
Nꢃ  
I±ꢃ clock  
I±ꢃ data  
3
SS  
slave select (Input)  
4
4
SꢃLK  
MISO  
ꢁL_L  
Nꢃ  
serial clock  
01  
ꢅ1  
ꢄ
alarm output high  
alarm output low  
not connected externally  
0
ꢅ1  
master-in-slave-out  
alarm output low  
ꢄ
not connected externally  
supply voltage, connect via .2±± µF to ground  
8
VDD  
supply voltage, connect via .2±± µF to ground  
8
VDD  
1 Do not connect Pin(s) 0 and/or ꢅ if the built-in alarm feature is not desired2  
1 Do not connect Pin ꢅ if the built-in alarm feature is not desired2  
Tape and %eel  
13  
[0.51]  
4,00  
[0.157]  
1,50  
[0.059]  
1,75  
[0.069]  
0,29  
[0.011]  
5,50  
[0.216]  
102  
[4.0]  
12.00  
[0.472]  
8,00  
[0.315]  
2,58  
[0.102]  
330  
[13,0]  
17,4  
[0.68]  
sensing.honeywell.com  
9
HIH8000 Series ±±2. ꢀ%R ꢁAAcurAꢂ ꢃ ±.20 5ꢄ Cempeurtcue ꢁAAcurAꢂ  
Figure .ꢀ SIP 4 Pin Typical Application Circuit  
V
SUPPLY = 2.3 Vdc to 5.5 Vdc  
2.2  
kOhm  
2.2  
kOhm  
Digital Humidity/Temp.  
Sensor  
1
2
3
4
SCL  
V
DD  
0.22 µF  
SDA  
V
SS  
GND  
Figure 6ꢀ SIP 4 Pin Mounting Dimensions, PCB Landing Pattern and Pinout [For reference only: mm/[in]ꢀ)  
Mounting  
Landing Pattern  
4,90  
[0.193]  
1,905  
[0.075]  
1,05 DIA.  
[0.040]  
0,65 DIA.  
[0.025]  
0,063  
[0.0025]  
3,90  
[0.153]  
1,27  
[0.050]  
1,20  
[0.047]  
8,9  
[0.35]  
Pin  
ASIC Pad  
Description  
1
±
3
4
VDD  
VSS  
connect via .2±± µF to ground  
supply ground  
I±ꢃ clock  
PCB  
5,0  
[0.197]  
1,2 - 2,0  
[0.05 - 0.08]  
SꢃL  
SDꢁ  
I±ꢃ data  
4
1
2
3
0,203  
[0.0080]  
1,27  
[0.050]  
0.41  
[0.016]  
Tape and %eel1  
1,50  
[0.059]  
4,00  
[0.157]  
13  
[0.51]  
1,75  
[0.069]  
0,32  
[0.013]  
5,00  
[0.197]  
102  
[4.0]  
16,00  
[0.630]  
8,00  
[0.315]  
2,61  
[0.103]  
330  
[13,0]  
21,4  
[0.84]  
1 For orders of ±0. to 1... units  
sensing.honeywell.com  
10  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors  
Order Guide  
Catalog Listing  
Description  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy, SIP  
4 Pin, without filter, non-condensing, 1.. units on tape  
HIH81±.-.±1-..11  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy, SIP  
4 Pin, without filter, non-condensing, five units on tape (sample)  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy, SIP  
4 Pin, with filter, condensation-resistant, 1.. units on tape  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy, SIP  
4 Pin, with filter, condensation-resistant, five units on tape (sample)  
HIH81±.-.±1-..1S  
HIH81±1-.±1-..11  
HIH81±1-.±1-..1S  
HIH813.-...-..1  
HIH813.-...-..1S  
HIH813.-.±1-..1  
HIH813.-.±1-..1S  
HIH8131-...-..1  
HIH8131-...-..1S  
HIH8131-.±1-..1  
HIH8131-.±1-..1S  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, SPI, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, without filter, non-condensing, 1... units on tape and reel  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, SPI, ±±2. ꢀ%H accuracy  
SOIꢃ-8 SMD, without filter, non-condensing, five units on tape (sample)  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, without filter, non-condensing, 1... units on tape and reel  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, without filter, non-condensing, five units on tape (sample)  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, SPI, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, with filter, condensation-resistant, 1... units on tape and reel  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, SPI, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, with filter, condensation-resistant, five units on tape (sample)  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, with filter, condensation-resistant, 1... units on tape and reel  
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors: HIH8... Series, I±ꢃ, ±±2. ꢀ%H accuracy,  
SOIꢃ-8 SMD, with filter, condensation-resistant, five units on tape (sample)  
1 Orders of ±0. units or more are packaged on tape and reel2  
sensing.honeywell.com  
11  
HIH8000 Series ±±2. ꢀ%R ꢁAAcurAꢂ ꢃ ±.20 5ꢄ Cempeurtcue ꢁAAcurAꢂ  
NOTICE:  
SENSO% %EHYD%ATION  
WARNING  
• Exposure to elevated temperatures, such as those  
experienced during solder reflow, may dry out the sensing  
element2 It is recommended that the sensor be allowed time  
to rehydrate after soldering or other high temperature/dry  
exposures2  
PERSONAL INJURY  
DO NOT USE these products as safety or emergency stop  
devices or in any other application where failure of the  
product could result in personal injury.  
Failure to comply with these instructions could result in  
death or serious injury.  
• Exposure to these conditions will not permanently damage the  
sensor2 It will generally return to its factory-calibrated value after  
rehydration2  
WARNING  
MISUSE OF DOCUMENTATION  
• If rehydration is not performed, the sensor may read a slight  
offset that slowly disappears over time as the sensor becomes  
exposed to ambient conditions2 ꢃonversely, extended  
exposure to condensing and high humidity environments  
(>9. ꢀ%H) may cause a revisable shift in readings which will  
generally return to normal after the sensor has been allowed to  
dry off2  
•
The information presented in this product sheet is for  
reference only. Do not use this document as a product  
installation guide.  
Complete installation, operation, and maintenance  
information is provided in the instructions supplied with  
each product.  
•
Failure to comply with these instructions could result in  
death or serious injury.  
To rehydrate the sensor, expose it to room temperature under  
ambient conditions (>0. ꢀ%H) for a minimum of five hours2  
sensing.honeywell.com  
12  
ADDITIONAL INFO%MATION  
WA%%ANTY/%EMEDY  
The following associated literature is available on the Web:  
• Product installation instructions  
Honeywell warrants goods of its manufacture as being free of  
defective materials and faulty workmanship2 Honeywell’s standard  
product warranty applies unless agreed to otherwise by Honeywell  
in writing; please refer to your order acknowledgement or consult  
your local sales office for specific warranty details2 If warranted  
goods are returned to Honeywell during the period of coverage,  
Honeywell will repair or replace, at its option, without charge those  
items it finds defective2 The foregoing is buyer’s sole remedy  
and is in lieu of all other warranties, expressed or implied,  
including those of merchantability and fitness for a particu-  
lar purposeꢀ In no event shall Honeywell be liable for conse-  
quential, special, or indirect damagesꢀ  
• Product application note  
• ꢁpplication sheets:  
– Humidity Sensor Performance ꢃharacteristics  
– Humidity Sensor Theory and Behavior  
– Humidity Sensor Moisture and Psychrometrics  
– Humidity Sensor ꢃhemical %esistivity  
– Thermoset Polymer-Based ꢃapacitive Sensors  
• Technical Notes:  
– I±ꢃ ꢃommunication with the Honeywell HumidIcon™ Digital  
Humidity/Temperature Sensors  
While we provide application assistance personally, through our  
literature and the Honeywell website, it is up to the customer to  
determine the suitability of the product in the application2  
– SPI ꢃommunication with the Honeywell HumidIcon™ Digital  
Humidity/Temperature Sensors  
– Using ꢁlarms on the Honeywell HumidIcon™ Digital Humidity/  
Temperature Sensors  
Specifications may change without notice2 The information we  
supply is believed to be accurate and reliable as of this printing2  
However, we assume no responsibility for its use2  
– Entering and Using ꢃommand Mode on the Honeywell  
HumidIcon™ Digital Humidity/Temperature Sensors  
Find out more  
Honeywell serves its customers  
through a worldwide network  
of sales offices, representatives  
and distributors. For application  
assistance, current specifications,  
pricing or name of the nearest  
Authorized Distributor, contact  
your local sales office.  
To learn more about Honeywell’s  
sensing and control products,  
call +1-815-235-6847 or  
1-800-537-6945, visit  
sensing.honeywell.com, or e-  
mail inquiries to  
info.sc@honeywell.com  
Sensing and Control  
Honeywell  
1985 Douglas Drive North  
009075-7-EN  
May 2015  
Golden Valley, MN 55422  
honeywell.com  
Copyright © 2015 Honeywell International Inc. All rights reserved.