Installation Instructions for the
HIH-4000 Humidity Sensors
CAUTION
IMPROPER HANDLING
Do not remove the sensor from its original protective
packaging until it is ready to be installed.
Do not touch the sensor surface. Use latex finger cots.
Handle the sensor by its package edges or leads.
Do not allow objects to enter the cavity of the sensor
element.
Failure to comply with these instructions may result in
product damage.
ISSUE 4
50009357
Table 1. Recommended PCB Mounting Sockets
Catalog Listing
Mill-Max Socket Number
HIH-4000-001
310-41-132-41-001 or similar
HIH-4000-003
HIH-4000-005
HIH-4000-002
851-43-032-10-001 or similar
HIH-4000-004
SOLDERING/ASSEMBLY
CAUTION
IMPROPER CLEANING
Insert and solder the sensor after the PCB cleaning
process.
Clean sensor with isopropyl alcohol after soldering.
Failure to comply with these instructions may result in
product damage.
NOTICE
Under condensing conditions where enough liquid water
forms on the sensor to create a parasitic leakage path, the
HIH-4000 Series Humidity Sensor produces an erroneous
reading of 0% humidity. If this erroneous reading is
assumed to be correct by your control function, excess
humidity is likely to be introduced into the system. Once
the liquid water evaporates from the sensor and the
environment returns to a non-condensing state, the device
returns to normal functionality.
Shade the sensor from direct light. Intense direct light can
flood junctions in the CMOS (Complementary Metal Oxide
Semiconductor) device and drive the output signal to the
minimum. This does not harm the sensor or affect
calibration. Proper operation resumes shortly after the
direct light is removed. Ambient scattered light normally
does not affect performance.
At the end of its working life, dispose the sensor in
accordance with Directive 2002/96/EC (WEEE).
CAUTION
IMPROPER SENSOR POSITIONING
Position the sensor so that its face is exposed to the
atmosphere being monitored.
Failure to comply with these instructions may result in
product damage
Hand soldering is acceptable. If wave soldering is required,
use a no-clean flux. Limit the contact of the flux to the leads
only.
Recommended PC board wave soldering temperature is
250
o
C to 260
o
C [482
o
F to 500
o
F].
MOISTURE SEALING THE LEADS
If, in the presence of intermittent moisture or other
contaminants, there is the possibility of galvanic paths between
the leads, moisture seal the leads and exposed pads.
Sensing and Control
HIH-4000 Series
Issue 4
50009357
Table 2. Performance Specifications (At 5 Vdc supply and 25 ºC [77 ºF] unless otherwise noted.)
Parameter
Minimum
Typical
Maximum
Unit
Specific
Note
–
–
–
1
–
–
–
–
–
2
–
Interchangeability (first order curve)
–
–
–
–
0% RH to 59% RH
-5
–
5
% RH
60% RH to 100% RH
-8
–
8
% RH
Accuracy (best fit straight line)
-3.5
–
+3.5
% RH
Hysterisis
–
3
–
% RH
Repeatability
–
±0.5
–
% RH
Settling time
–
–
70
ms
Response time (1/e in slow moving air)
–
5
–
s
Stability (at 50% RH)
–
1.2
–
% RH
Voltage supply
4
–
5.8
Vdc
Current supply
–
200
500
µA
st
Voltage output (1 order curve fit)
V
OUT
=(V
SUPPLY
)(0.0062(sensor RH) + 0.16), typical at 25 ºC
Temperature compensation
True RH = (Sensor RH)/(1.0546 – 0.00216T), T in ºC
Output voltage temperature coefficient at
–
-4
–
mV/ºC
–
50% RH, 5V
Operating temperature
-40[-40]
See Figure 1.
85[185]
ºC[ºF]
–
Operating humidity
0
See Figure 1.
100
% RH
3
Storage temperature
-50[-58]
–
125[257]
ºC[ºF]
–
Storage humidity
See Figure 2.
% RH
3
Specific Notes:
General Notes:
1. Can only be achieved with the supplied slope and offset.
Sensor is ratiometric to supply voltage.
For HIH-4000-003 and HIH-400-004 catalog listings only.
Extended exposure to >90% RH causes a reversible shift of
2. Device is calibrated at 5 Vdc and 25 ºC.
3% RH.
3. Non-condensing environment.
Sensor is light sensitive. For best performance, shield sensor
from bright light.
Figure 1. Operating Environment (Non-condensing environment.)
100%
90%
80%
Relative Humidity
70%
60%
50%
40%
30%
20%
10%
0%
-40
-20
0
20
40
60
80
100
Recommended operating zone
Operating zone limited to <50 hours
No specification zone
Temperature ºC
2 Honeywell
Sensing and Control
HIH-4000 Series
Figure 2. Storage Environment (Non-condensing environment.)
Issue 4
50009357
100%
90%
80%
Relative Humidity
70%
60%
50%
40%
30%
20%
10%
0%
-40
-20
0
20
40
60
80
100
120
140
Recommended storage zone
Temperature ºC
Figure 3. Mounting Dimensions (For reference only. mm/[in])
HIH-4000-002
HIH-4000-004
4,17
[0.164]
HIH-4000-001
HIH-4000-003
HIH-4000-005
4,17
[0.164]
2,03
[0.080]
8,59
[0.338]
8,59
[0.338]
1,91
[0.075]
12,7 MIN.
[0.50]
-ve
OUT
1,27
[0.050]
3X 0,38
[0.015]
2,54
[0.100]
+ve
12,2 MIN.
[0.48]
-ve
OUT
2,54
[0.100]
+ve
0,89
[0.035]
3X 0,38
[0.015]
2,54
[0.100]
Honeywell
Sensing and Control 3
HIH-4000 Series
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.
The sensor’s housing does not provide electrical safety
isolation. Mount the sensor in a location where it cannot
be touched, or where a surrounding barrier prevents
human contact.
Failure to comply with these instructions could result in
death or serious injury.
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship. 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 details. 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 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. In no
event shall Honeywell be liable for consequential, special,
or indirect damages.
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.
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.
Issue 4
50009357
SALES AND SERVICE
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 or:
E-mail:
info.sc@honeywell.com
Internet:
www.honeywell.com/sensing
Phone and Fax:
Asia Pacific
+65 6355-2828
+65 6445-3033 Fax
Europe
+44 (0) 1698 481481
+44 (0) 1698 481676 Fax
Latin America
+1-305-805-8188
+1-305-883-8257 Fax
USA/Canada
+1-800-537-6945
+1-815-235-6847
+1-815-235-6545 Fax
Sensing and Control
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
www.honeywell.com/sensing
50009357-4-EN IL50 GLO Printed in USA
February 2010
Copyright © 2010 Honeywell International Inc. All rights reserved.
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