Honeywell T7411B PRODUCT DATA
T7411B
FLEXIBLE DUCT TEMPERATURE SENSORS
PRODUCT DATA
FEATURES
• PT1000 or NTC20kΩ temperature sensing element
• Wide sensing range
• High accuracy
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
SPECIFICATION
Nominal value |
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PT1000 |
1000 Ω at 0 °C |
NTC20kΩ |
20 kΩ at 25 °C |
Accuracy |
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PT1000 |
IEC751 Class B |
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0.3 K +0.5% • |t| (t in °C) |
NTC20kΩ |
0.3 K at 25 °C |
Sensitivity |
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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])
T7411B |
τ0.5 ≈ 45 s |
Electrical connection |
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T7411B |
terminals for 2 x 1.5 mm² cable |
Ambient Limits (wiring box) |
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Storage temperature |
-35...+70 °C (-31…+158 °F) |
Humidity |
5…95% rh, non-condensing |
Safety (terminal box) |
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Protection standard |
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T7411B |
IP54 |
Flame retardant |
V1 as per UL94 |
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Plastic (PC) |
Dimensions |
See Fig. 1 on page 2 |
or other systems using PT1000 or NTC 20kΩ temperature sensing elements.
® U.S. Registered Trademark |
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EN0B-0444GE51 R0907 |
Copyright © 2007 Honeywell Inc. • All rights reserved |
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T7411B FLEXIBLE DUCT TEMPERATURE SENSORS
Models
OS number |
Sensor type |
Sensing range |
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T7411B1009 |
NTC20kΩ |
-40...+80 °C |
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T7411B1017 |
PT1000 |
-40...+80 °C |
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DIMENSIONS OF T7411B
50 (1.97)
33 (1.3)
4 (0.16)
65
(2.55)
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22 (7/8”) |
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450 (17 3/4”) |
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case hole diameter |
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7 (0.28) |
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allows Pg9 cable |
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Fig. 1. Dimensions of T7411B in mm (inches)
INSTALLATION
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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