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C7046A,B,C,D AIR TEMPERATURE SENSORS
SPECIFICATIONS
IMPORTANT
Specifications given in this publication do not include
normal manufacturing tolerances. Therefore, this 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.
Models:
C7046A Air Temperature Sensor: Intended for use as a
discharge sensor with the W973 Single Zone Logic Panel.
C7046B Air Temperature Sensor: Intended for use as a zone
discharge, hot deck, cold deck, mixed air and/or return air
sensor in the W7080 Multizone Control System.
C7046C Air Temperature Sensor: Intended for use as a
discharge sensor in rooftop applications.
C7046D Air Temperature Sensor: Intended for use as a
discharge air sensor in the Excel 500 Control System.
Dimensions: See Fig. 1.
Mounting: Integral mounting flange requiring two No. 8 screws.
Sensing Element:
C7046A,B,C: Carbon type, thermistor-resistor element.
C7046D: Platinum thin film element.
Maximum Ambient Temperature: 250°F (121°C).
Operating Temperature Range: 40 to 150°F (4 to 66°C).
Wiring Connections: 6 in. (152 mm) leadwires.
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 Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
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.
60-2350—8
Performance Characteristics:
Reaction Time Constant with Air Approach Velocity of
500 ft/min (2 m/sec):
C7046A: 100 seconds.
C7046B: 165 seconds.
C7046C: 60 seconds.
C7046D: 130 seconds.
Resistance/Temperature (NTC):
C7046A,C:
Nominal Resistance: 3000 ohms at 77°F (25°C)
Nominal Sensitivity: 70 ohms per degree F (124 ohms
per degree C) at midrange.
C7046B:
Nominal Resistance: 22,800 ohms at 77°F (25°C).
Nominal Sensitivity: 675 ohms per degree F (1290 ohms
per degree C) at midrange.
C7046D:
Nominal Resistance: 1097 ohms at 77°F (25°C).
Nominal Sensitivity: 2.1 ohms per degree F (3.9 ohms
per degree C).
2 (51)
1-1/2 (38)
3/4 (19)
1
(25)
5/16 (9) DIAMETER
(BUSHING)
Fig. 1. C7046A,B,C,D Air Temperature
Sensor dimensions in in. (mm).
NOTE: Sensor probe diameter is 1/4 in. (6 mm).
2
8 (203)
1 (25)
6 (152)
1/16 (2)
PLASTIC
BUSHING
LOCKING PUSH
NEOPRENE
NUTS (2)
GASKET
1/4 (6)
DIAMETER (2 HOLES)
M22402
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