6655 Series
On-Surface Temperature Sensors
DESCRIPTION
The 6655 Series On-Surface Temperature Sensors are lower-
cost, thermistor-based temperature sensors that use
Honeywell’s compact, low-profile, 12,70 mm [0.5 in] thermostat
package.
This series is designed to offer temperature measurements
with enhanced response and accuracy on most flat surfaces
and pipes in non-condensing applications.
Unlike thermostats, which are generally limited to one fixed
temperature, these thermistor-based NTC (Negative
Temperature Coefficient) devices allow the customer greater
flexibility in temperature monitoring and controlling.
Tight interchangeability eliminates or reduces customer need
for calibration. Enhanced accuracy and response time are
designed to meet your needs. A wide operating temperature
range of -20 °C to 110 °C [-4 °F to 230 °F] allows application
flexibility.
The 6655 Series products have gained widespread acceptance
standard due to their robust design and ease of installation. A
variety of mounting brackets provides mounting flexibility.
FEATURES
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Air/surface temperature sensing
NTC thermistor output
Low cost
Low, compact profile
Tight interchangeability
Enhanced accuracy
Enhanced response time
Wide operating temperature range
Variety of mounting brackets
Widely used sensor package footprint
Enhanced stability/low drift
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POTENTIAL APPLICATIONS
Water heaters and boilers
Industrial ovens and ranges
Copier diffuser rollers
HVAC compressor or duct temperature sensing
6655 Series
Table 1. General Specifications
Parameter
Temperature sensing type
Thermistor type
Nominal resistance at 25 °C [77 °F]
Operating temperature range
Tolerance
BETA (25/85)
R-T curve
Time constant on metal surface
Dissipation constant on metal surface
Housing material
Mounting method/mechanical interface
Electrical interface/connector type
Characteristic
air/surface
NTC
10,000 Ohm, 12,000 Ohm
-20 °C to 110 °C [-4 °F to 230 °F]
±2.5%, ±7.6%, ±10.0%
3694, 3976
12, 16
1.5 s
6.5 m/W°C
phenolic
(see Figure 1)
(see Figure 1)
Figure 1. Mounting Dimensions (For reference only: mm/[in].
6655---90030004, 6655RP-0030007
No bracket, quick connect terminal, (90°, 0.25 in)
6655---90980004, 6655---90980006
Bracket (movable surface), quick connect terminal (90°, 0.25 in)
6655---91000001
Bracket (movable surface), quick connect terminal (0°, 0.25 in)
6655---94280004
Bracket (movable surface), quick connect terminal (45°, 0.25 in)
2
www.honeywell.com/sensing
Order Guide
Catalog Listing
6655---
90030004
6655---
90980004
6655---
90980006
6655---
91000001
6655---
94280004
6655---
97100901
6655---
99580003
6655---
99600003
6655RP--
90030007
6655---
79600002
Description
6655 Series on-surface temperature sensor, NTC, 12,000 Ohm, ±7.6% tolerance, 3694 BETA, 12 R-T curve,
phenolic, no bracket, quick connect terminal (90°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 12,000 Ohm, ±7.6% tolerance, 3694 BETA, 12 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (90°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (90°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (0°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (45°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (20.6 mm dia. pipe clip), quick connect terminal (90°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (fixed surface), quick connect terminal (90°, 0.1875 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (90°, 0.1875 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±10.0% tolerance, 3976 BETA, 16 R-T curve,
phenolic, no bracket, quick connect terminal (90°, 0.25 in)
6655 Series on-surface temperature sensor, NTC, 10,000 Ohm, ±2.5% tolerance, 3976 BETA, 16 R-T curve,
phenolic, bracket (movable surface), quick connect terminal (90°, 0.1875 in)
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.
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.
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WARNING
MISUSE OF DOCUMENTATION
The information presented in this product sheet is for
reference only. Do not use this document as a product
installation guide.
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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.
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
009037-1-EN IL50 GLO Printed in USA
April 2009
Copyright © 2009 Honeywell International Inc. All rights reserved.
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