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ALF, TF, KF, and RF
High-Accuracy Immersion, Duct, Room, and Surface Temperature Sensors
ALF KF
TF RF
PRODUCT DATA AND MOUNTING INSTRUCTIONS
SPECIFICATIONS
Nominal value |
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PT100 |
100 Ω at 0 °C |
PT1000 |
1000 Ω at 0 °C |
Accuracy |
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PT-sensors |
IEC751 Class A |
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±(0.15 K +0.2% • |t|) (t in °C) |
Sensitivity |
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PT100 |
≈ 0.385 Ω / K |
PT1000 |
≈ 3.85 Ω / K |
Electrical Data |
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Measuring current |
1mA |
Insulation resistance |
≥ 100 MΩ at 20°C (500 Vdc) |
Circuit type |
3-wire connection |
Cable connection |
via PG11 and screw terminals |
Protection Class |
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Protection class |
IP65 |
FEATURES
•Cost-effective universal temperature sensors.
•High accuracy due to Class A restrictions.
•High protection class (IP65).
•Duct and immersion sensors including immersion well and/or mounting flange.
•Easy installation.
•Universal solution for industry and HVAC.
GENERAL
The ALF, TF, KF, and RF temperature sensors are designed for universal use in machine construction, process control, HVAC, as well as for environmental and agricultural applications. Cost-effective and highly accurate sensor technology allows use in a wide field of applications where PT100 and PT1000 sensor technology is a standard.
® U.S. Registered Trademark
Copyright © 2005 Honeywell Inc.
All Rights Reserved
MODELS
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sensor temp. |
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description |
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sensor |
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range |
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ALF21 |
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surface sensor |
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-30...+110 °C |
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PT100 |
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ALF31 |
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surface sensor |
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-30...+110 °C |
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PT1000 |
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TF21 |
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immersion sensor* |
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-30...+150 °C |
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PT100 |
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TF31 |
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immersion sensor* |
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-30...+150 °C |
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PT1000 |
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KF21 |
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air duct sensor* |
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-30...+150 °C |
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PT100 |
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KF31 |
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air duct sensor* |
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-30...+150 °C |
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PT1000 |
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RF21 |
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room sensor |
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-50...+80 °C |
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PT100 |
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RF31 |
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room sensor |
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-50...+80 °C |
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PT1000 |
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*Temperature range of plastic housing: -35...+80 °C
EN0B-0472GE51 R0105
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