T7415A / KTF20 / DKF20
CABLE-TYPE BULB TEMPERATURE SENSORS
Fig. 1. The KTF20
GENERAL
The T7415A//KTF2/DKF20 Cable-type Bulb Temperature Sensor can be used as
•immersion sensors
•return air sensors
The sensors can be employed for hot and cold water installations 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.
PRODUCT DATA
FEATURES
•PT1000 or NTC 20kΩ temperature sensing element
•Wide sensing range
•High accuracy
Models
OS no. |
|
description |
sensing range |
T7415A1007 |
|
Cable-type Bulb PT1000 |
-20...+100 °C |
|
Temperature Sensor |
(-4...+212 °F) |
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T7415A1015 |
|
Cable-type Bulb PT1000 |
-20...+300 °C |
|
Temperature Sensor |
(-4...+572 °F) |
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KTF20 |
|
Cable-type Bulb NTC20kΩ |
-20...+100 °C |
|
Temperature Sensor |
(-4...+212 °F) |
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DKF20 |
|
Cable-type Bulb NTC20kΩ |
-20...+100 °C |
|
Mean value Sensor |
(-4...+212 °F) |
|
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KTF20-B |
|
Bulk shipment of 50 KTF20 |
see above |
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 |
τ0.5 |
|
immersion well app. |
≈ 10 s |
|
duct application |
τ0.5 |
≈ 2 min at air velocity |
of 1 m/s (3.3 ft/s)
Electrical connection
T7415A/KTF20 |
2 m cable, 2-core |
DKF20 |
2 m cable, 3-core |
Ambient Limits (wiring box) |
|
Storage temperature |
-25...+70 °C (-13…+158 °F) |
Humidity |
5…95% rh, non-condensing |
Safety |
IP64 as per EN 60529 |
Dimensions |
see Fig. 2 on page 2 |
® U.S. Registered Trademark |
|
EN0B-0362GE51 R0907 |
Copyright © 2007 Honeywell Inc. • All rights reserved |
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