Honeywell T7411B PRODUCT DATA
FLEXIBLE DUCT TEMPERATURE SENSORS
GENERAL
The T7411B Flexible Duct Temperature Sensors are used in
ventilating and air conditioning systems to measure
discharge, return, or outside air temperature. They are
designed for duct mounting.
These sensors are used in the following control systems:
• Excel 5000
• MicroniK 200
• MicroniK 100
• Excel Classic
• Excel Plus
• High Performance Excel Plus
• Excel EMC
or other systems using PT1000 or NTC 20kΩ temperature
sensing elements.
T7411B
PRODUCT DATA
FEATURES
• PT1000 or NTC20kΩ temperature sensing element
• Wide sensing range
• High accuracy
SPECIFICATION
Nominal value
PT1000 1000 Ω at 0 °C
NTC20kΩ 20 kΩ at 25 °C
Accuracy
PT1000 IEC751 Class B
0.3 K +0.5% • |t| (t in °C)
NTC20kΩ 0.3 K at 25 °C
Sensitivity
PT1000 ≈ 3.85 Ω / K
NTC20kΩ ≈ -934.5 Ω / K at 25 °C (non-linear)
Response time (at air velocity of 5 m/s [16.4 ft/s])
τ
T7411B
Electrical connection
T7411B terminals for 2 x 1.5 mm² cable
Ambient Limits (wiring box)
Storage temperature -35...+70 °C (-31…+158 °F)
Humidity 5…95% rh, non-condensing
Safety (terminal box)
Protection standard
T7411B IP54
Flame retardant V1 as per UL94
Plastic (PC)
Dimensions See Fig. 1 on page 2
≈ 45 s
0.5
® U.S. Registered Trademark EN0B-0444GE51 R0907
Copyright © 2007 Honeywell Inc. • All rights reserved
T7411B FLEXIBLE DUCT TEMPERATURE SENSORS
Models
OS number Sensor type Sensing range
T7411B1009
T7411B1017 PT1000 -40...+80 °C
DIMENSIONS OF T7411B
50 (1.97)
NTC20kΩ
4 (0.16)
-40...+80 °C
33 (1.3)
65
(2.55)
22 (7/8”)
450 (17 3/4”)
7 (0.28)
Fig. 1. Dimensions of T7411B in mm (inches)
allows Pg9 cable
INSTALLATION
case hole diameter
wiring run max. length
Sensor to controller 200 m (660 ft)
NOTE: Use shielded wiring in areas with high EMI.
Maintain a minimum distance of 15 cm (5.9’’)
between sensor lines and 230 Vac power lines.
Honeywell
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorized Representative:
Automation and Control Solutions
Honeywell GmbH
Böblinger Straße 17
D-71101 Schönaich
Phone: (49) 7031 63701
Fax: (49) 7031 637493
http://ecc.emea.honeywell.com
Subject to change without notice. Printed in Germany
EN0B-0444GE51 R0907
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