Humidity Sensors
Humidity Sensor
FEATURES
•
Molded thermoset plastic
housing with cover
•
Linear voltage output vs
%RH
•
Laser trimmed
interchangeability
•
Low power design
•
High accuracy
•
Fast response time
•
Stable, low drift
performance
•
Chemically resistant
TYPICAL APPLICATIONS
•
Refrigeration
•
Drying
•
Metrology
•
Battery-powered systems
•
OEM assemblies
HIH-3610 Series
The HIH-3610 Series humidity sensor is designed specifically for high
volume OEM (Original Equipment Manufacturer) users. Direct input to a
controller or other device is made possible by this sensor’s linear voltage
output. With a typical current draw of only 200
µA,
the HIH-3610 Series is
ideally suited for low drain, battery operated systems. Tight sensor
interchangeability reduces or eliminates OEM production calibration costs.
Individual sensor calibration data is available.
The HIH-3610 Series delivers instrumentation-quality RH (Relative
Humidity) sensing performance in a low cost, solderable SIP (Single In-line
Package). Available in two lead spacing configurations, the RH sensor is a
laser trimmed thermoset polymer capacitive sensing element with on-chip
integrated signal conditioning. The sensing element's multilayer
construction provides excellent resistance to application hazards such as
wetting, dust, dirt, oils, and common environmental chemicals.
WARNING
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.
WARNING
MISUSE OF DOCUMENTATION
•
The information presented in this product sheet is for reference only. Do
not use this document as system installation information
•
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.
Sensing and Control
Humidity Sensors
Humidity Sensor
TABLE 1: PERFORMANCE SPECIFICATIONS
Parameter
RH Accuracy
(1)
RH Interchangeability
RH Linearity
RH Hysteresis
RH Repeatability
RH Response Time, 1/e
RH Stability
Power Requirements
Voltage Supply
Current Supply
Voltage Output
V
supply
= 5 Vdc
Drive Limits
Temperature Compensation
Effect @ 0% RH
Effect @ 100% RH
Humidity Range
Operating
Storage
Temperature Range
Operating
Storage
Package
(2)
Handling
HIH-3610 Series
Condition
±2% RH, 0-100% RH non-condensing, 25 °C, V
supply
= 5 Vdc
±5% RH, 0-60% RH; ±8% @ 90% RH typical
±0.5% RH typical
±1.2% RH span maximum
±0.5% RH
15 sec in slowly moving air at 25 °C
±1% RH typical at 50% RH in 5 years
4 Vdc to 5.8 Vdc, sensor calibrated at 5 Vdc
200
µA
at 5 Vdc
V
out
= V
supply
(0.0062(Sensor RH) + 0.16), typical @ 25
°C
(Data printout option provides a similar, but sensor specific, equation at 25
°C.)
0.8 Vdc to 3.9 Vdc output @ 25
°C
typical
Push/pull symmetric; 50
µA
typical, 20
µA
minimum, 100
µA
maximum
Turn-on
≤
0.1 sec
True RH = (Sensor RH)/(1.093 -0.0021T), T in °F
True RH = (Sensor RH)/(1.0546-0.00216T), T in
°C
±0.007 %RH/°C (negligible)
-0.22% RH/°C (<1% RH effect typical in occupied space systems above 15 °C (59
°F))
0 to 100% RH, non-condensing
(1)
0 to 90% RH, non-condensing
-40 °C to 85 °C (-40
°F
to 185
°F)
-51 °C to 125 °C (-60
°F
to 257
°F)
Three pin, solderable SIP in molded thermoset plastic housing with therm oplastic
cover
Static sensitive diode protected to 15 kV maximum
Notes:
1. Extended exposure to
≥
90% RH causes a reversible shift of 3% RH.
2. This sensor is light sensitive. For best results, shield the sensor from bright light.
2
Honeywell
•
Sensing and Control
For application help: call 1-800-537-6945
Humidity/Moisture Sensors
Humidity Sensor
FACTORY CALIBRATION
HIH-3610 sensors may be ordered with a
calibration and data printout (Table 2). See order
guide on back page.
TABLE 2: EXAMPLE DATA PRINTOUT
Model
Channel
Wafer
MRP
Calculated values at 5 V
V
out
@ 0% RH
V
out
@ 75.3% RH
Linear output for 2% RH
accuracy @ 25 °C
Zero offset
Slope
RH
Ratiometric response for 0
to 100% RH
V
out
HIH-3610 Series
FIGURE 2: OUTPUT VOLTAGE VS RELATIVE
HUMIDITY AT 0 °C
4.5
4.0
4.07
Output Voltage (Vdc)
HIH-3610-001
92
030996M
337313
0.958 V
3.268 V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
20
40
60
80 100
Relative Humidity (%)
0.8
Sensor Response
Best Linear Fit
0.958 V
30.680 mV/%RH
(V
out
-zero offset)/slope
(V
out
-0.958)/0.0307
V
supply
(0.1915 to 0.8130)
FIGURE 1: RH SENSOR CONSTRUCTION
DIRT, DUST AND OILS DO NOT AFFECT SENSOR
FIGURE 3: OUTPUT VOLTAGE VS RELATIVE
HUMIDITY AT 0 °C, 25 °C, 85 °C
4.5
4.0
3.5
Output Voltage (Vdc)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
20
40
60
80 100
Relative Humidity (%)
0.8
4.07
3.90
3.50
THERMOSET
POLYMER
POROUS PLATINUM LAYER
THERMOSET POLYMER
PLATINUM LAYER
SUBSTRATE (SILICON)
For application help: call 1-800-537-6945
Honeywell
•
Sensing and Control
3
Humidity/Moisture Sensors
Humidity Sensor
ORDER GUIDE
Catalog Listing
HIH-3610-001
HIH-3610-002
HIH-3610-003
HIH-3610-004
HIH-3610 Series
WARRANTY/REMEDY
Honeywell warrants goods of its
manufacture as being free of defective
materials and faulty workmanship.
Contact your local sales office for
warranty information. If warranted
goods are returned to Honeywell
during the period of coverage,
Honeywell will repair or replace
without charge those items it finds
defective. 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 particular
purpose.
Specifications may change without
notice. The information we supply is
believed to be accurate and reliable
as of this printing. However, we
assume no responsibility for its use.
While we provide application
assistance personally, through our
literature and the Honeywell web site,
it is up to the customer to determine
the suitability of the product in the
application.
For application assistance, current
specifications, or name of the nearest
Authorized Distributor, check the
Honeywell web site or call:
1-800-537-6945 USA
1-800-737-3360 Canada
1-815-235-6847 International
FAX
1-815-235-6545 USA
INTERNET
www.honeywell.com/sensing
info.sc@honeywell.com
Description
Integrated circuit humidity sensor, 0.100 in lead
pitch SIP
Integrated circuit humidity sensor, 0.050 in lead
pitch SIP
Integrated circuit humidity sensor, 0.100 in lead
pitch SIP with calibration and data printout
Integrated circuit humidity sensor, 0.050 in lead
pitch SIP with calibration and data printout
FIGURE 4: MOUNTING DIMENSIONS (for reference only) mm (in)
HIH-3610-002
HIH-3610-004
4,27
(0.168)
4,27
(0.168)
HIH-3610-001
HIH-3610-003
2,03
(0.080)
9,47
(0.373)
1,90
(0.075)
9,47
(0.373)
12,70 MIN
(0.50)
12,19 MIN
(0.480)
-
-
OUT
+
3X 0,38
(0.015)
2,54
(0.100)
2,54
(0.100)
OUT
+
3X 0,38
(0.015)
1,27
(0.050)
5,08
(0.200)
Sensing and Control
Honeywell
11 West Spring Street
Freeport, Illinois 61032
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on 50% Recycled Paper
www.honeywell.com/sensing
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