Honeywell HumidIcon
™
Digital
Humidity/Temperature Sensors
HIH7000 Series
±3.0 %RH Accuracy | ±0.5 °C Temperature Accuracy
Datasheet
Honeywell HumidIcon
™
Digital Humidity/Temperature Sensors
Honeywell HumidIcon™ Digital Humidity/Temperature Sensors, HIH7000 Series, are digital output-type relative humidity (RH)
and temperature sensors combined in the same package. These sensors provide an accuracy level of
±3.0 %RH
and a
temperature accuracy level of
±0.5 °C.
• Industry-leading long-term stability
• Industry-leading reliability
• Lowest total cost solution
• True temperature-compensated digital I
2
C or SPI output
• Energy efficiency
• Ultra-small package size and options
• Other accuracies available: ±1.7 %RH (HIH9000 Series), ±2.0 %RH (HIH8000 Series), ±4.0 %RH (HIH6100 Series),
and ±4.5 %RH (HIH6000 Series)
What makes our sensors better?
•
One sensor does the work of two!
•
±3.0 %RH accuracy (humidity performance)
•
±0.5 °C accuracy (temperature performance)
•
-40 °C to 100 °C [-40 °F to 212 °F] operating
temperature range
The series consists of packaging variations, offering customers the ability to
choose housing style (SIP 4-Pin or SOIC-8 SMD), filter (hydrophobic filter or
no filter), output (I
2
C or SPI), and packaging (tape and boxed, tape and reel, or
samples on tape).
HIH7000 Series Housing, Filter, Output, and Packaging Comparison
Series*
HIH7120-021-xxxx
HIH7121-021-xxxx
HIH7130-021-xxxx
digital
HIH7130-000-xxxx
HIH7131-021-xxxx
HIH7131-000-xxxx
Output
type
Supply
voltage
Housing
style
SIP 4-pin
SIP 4-pin
SOIC-8 SMD
SOIC-8 SMD
SOIC-8 SMD
SOIC-8 SMD
Filter
without filter,
non-condensing
with filter,
condensation resistant
without filter,
non-condensing
without filter,
non-condensing
with filter,
condensation resistant
with filter,
condensation resistant
HIH7131
HIH7130
HIH7120
HIH7121
Accuracy
Output
I
2
C
I
2
C
I
2
C
Packaging
100 to 249 units on tape
and boxed, 250 units or
more on tape and reel; or
5 sample pieces on tape
1000 pieces on tape and
reel; or 5 sample pieces
on tape
1000 pieces on tape and
reel; or 5 sample pieces
on tape
2.3 Vdc to
5.5 Vdc
±3.0 %RH
SPI
I
2
C
SPI
* See order guide on page 11 for complete catalog listings.
INDUSTRY-LEADING RELIABILITY • ACCURACY • PACKAGING • LONG-TERM STABILITY
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sensing.honeywell.com
Features
and Benefits
INDUSTRY-LEADING LONG-TERM STABILITY*
(1.2 %RH OVER FIVE YEARS)
Competitive humidity sensors require a 12 hour at 75 %RH rehydration process
(which requires special equipment chambers) to correct reflow temperature offset.
Honeywell’s sensor also experiences an offset after reflow; however, it only requires
a five-hour rehydration under ambient conditions (>50 %RH). Honeywell’s industry-
leading long-term stability:
• Minimizes system performance issues.
• Helps
support system uptime
by eliminating the need
to service or replace the sensor during its application
life.
•
Eliminates the need to regularly recalibrate
the
sensor in the application, which can be inconvenient
and costly.
.0
±3
R
CCU
A
H
%R
ACY
INDUSTRY-LEADING RELIABILITY
(MTTF 9,312,507 HR)*
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
reliability.
Offers customers the lowest total cost solution.
LOWEST TOTAL COST SOLUTION*
Honeywell’s HumidIcon HIH7000 Series delivers the lowest total cost solution due
to the sensor’s
industry-leading combined humidity/temperature sensor.
One sensor does the work of two!
COMBINED HUMIDITY AND TEMPERATURE SENSOR
Allows the RH measurement to be temperature compensated, and provides a
second, standalone temperature sensor output; allows the user to
purchase one
sensor instead of two.
ENERGY EFFICIENT*
•
Low supply voltage:
Can operate down to 2.3 Vdc, which allows use in
low
energy and wireless-compatible applications
to enhance energy savings
and prolong system battery life.
Low power consumption:
The sensor goes into
sleep mode
when not
taking a measurement within the application, consuming only 1 µA of power
versus 650 µA in full operation in a battery operated system; sleep mode helps
maximize battery life, reduces power supply size, and reduces the application’s
overall weight.
sensing.honeywell.com
•
*Competitive Differentiator
3
Features
and Benefits
HIGH RESOLUTION
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 change.
Free up PCB space. Reduce costs.
TRUE, TEMPERATURE-COMPENSATED
DIGITAL I
2
C OR SPI OUTPUT*
Typically allows the customer to remove the components associated with signal
conditioning from the PCB to
free up space
and
reduce costs
associated with
those components (e.g., acquisition, inventory, assembly). True, temperature-
compensated digital I
2
C or SPI output often eliminates problems that could occur
from having multiple signal conditioning components across the PCB, as well as
simplifies integration to the microprocessor, eliminating the need for customer-
implemented, complex signal conditioning.
Choose options to best fit the application.
HOUSING STYLE
SOIC-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 PCB, and
typically
simplifies placement
on crowded PCBs or in small devices; industry
standard design simplifies design-in.
FILTER
Available with hydrophobic filter and condensation-resistance, allowing for
use in
many condensing environments,
or without hydrophobic filter, non-condensing.
TAPE AND REEL
Allows for use in high volume, automated pick-and-place manufacturing,
eliminating lead misalignment
to the PCB and helping the customer to
reduce
manufacturing costs.
WIDE OPERATING TEMPERATURE RANGE
-40 °C to 100 °C [-40 °F to 212 °F] allows for use in many applications.
OPTIONAL ONE OR TWO %RH LEVEL ALARM OUTPUTS
Provides the ability to monitor whether the RH level has exceeded or fallen below
predetermined and critical levels within the application.
MULTI-FUNCTION ASIC
Delivers flexibility within the application by lowering or eliminating the risk and cost
of OEM calibration.
ROHS AND WEEE COMPLIANT, HALOGEN FREE
*Competitive Differentiator
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sensing.honeywell.com
Potential Applications
INDUSTRIAL
HVAC/R
May be used to provide precise RH 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 quality.
AIR COMPRESSORS
May be used to provide precise RH measurement in compressed air lines, allowing
the system to remove any condensation; dry compressed air is critical for customer
process control measurement.
WEATHER STATIONS
May be used to provide precise RH and temperature measurement in ground-based
and airborne weather stations, allowing real time and highly accurate monitoring/
reporting of actual weather conditions.
TELECOM CABINETS
May be used to provide precise RH and temperature measurement in the telecom
cabinet HVAC system; maintaining proper temperature and humidity levels in the
cabinet provides maximum system uptime and performance.
INDUSTRIAL INCUBATORS/MICROENVIRONMENTS
May be used to provide optimal temperature and RH levels to support critical
processes and experiments, enhancing process efficiency with desired climate
conditions.
GRAIN DRYING 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 dry.
MEDICAL
RESPIRATORY THERAPY
May be used to provide precise RH and temperature measurement in sleep
apnea machines and ventilators, enhancing patient comfort, safety and treatment
effectiveness with warm and humidified air.
INCUBATORS/MICROENVIRONMENTS
May be used to provide optimal temperature and RH levels to support critical
processes and experiments, enhancing process efficiency with desired climate
conditions.
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