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C7600A SOLID STATE HUMIDITY SENSOR
63-2150—5
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
an individual unit may not exactly match the listed
specifications. Also, this product is tested and
calibrated under closely controlled conditions and
some minor differences in performance can be
expected if those conditions are changed.
Model:
C7600A Solid State Humidity Sensor. Use with W7600
Multifunction Controller or any controller capable of
processing 4 to 20 mA signal.
Electrical Ratings:
Input:
18 to 24 Vdc.
Output:
4 to 20 mA current signal; increases from 4 to 20 mA
as humidity decreases. The relationship of the C7600A
output current vs. relative humidity is shown in Fig. 2.
It is not possible to develop a straight-line formula for
calculating the C7600A current output from a given
relative humidity; however, the exponential formula
below gives accurate results for this relationship.
I = 19.12925 - 0.1507896RH + 1.720302(10
-4
)RH
2
- 1.598528(10-7)RH
3
Where:
I is the current output of the C7600A in mA.
RH is the percent relative humidity.
Maximum Power Consumption: 0.48 VA.
Ambient Temperature Ranges:
Operating:
32°F to 125°F (0°C to 52°C).
Shipping:
-40°F to +150°F (-40°C to +66°C).
Humidity Range:
10 to 90 percent relative humidity.
Humidity Sensitivity:
+/- 3 percent.
Humidity Sensing Element:
Polyamide film (capacitance changes with change in
humidity).
Case:
Compact, rugged, lightweight plastic case.
Mounting:
Duct-mounted indoors, or wall-mounted outdoors in a location
protected from rain, snow, or direct sunlight.
Terminals:
Two 1/4 in. (6 mm) quick-connect terminals.
Dimensions:
See Fig. 1.
Time Constants:
Airflow: 500 fpm.
Time: 15 minutes.
Approvals:
Underwriters Laboratories Inc.: Flammability rating UL94-5V.
Fig. 1. C7600A Solid State Humidity Sensor
dimensions in in. (mm).
2-3/4
(70)
3-5/32
(80)
9/16
(14)
3-7/8 (96)
5/16 (8)
1(25)
7/32 (6)
M3129A
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.