STF
Fast Temperature Sensors for Industrial and HVAC Applications
PRODUCT DATA AND MOUNTING INSTRUCTIONS
SPECIFICATIONS
Nominal value |
|
STF21 (PT100) |
100 Ω at 0 °C |
STF31 (PT1000) |
1000 Ω at 0 °C |
Accuracy |
|
STF21/31 |
IEC751 Class A |
|
±(0.15 K +0.2% • |t|) (t in °C) |
FEATURES
Sensitivity |
|
STF21 (PT100) |
≈ 0.385 Ω / K |
STF31 (PT1000) |
≈ 3.85 Ω / K |
Response time |
τ0.5 = 2.5 seconds |
Well |
|
Pressure rating |
PN16 (nominal) |
Wiring |
3-wire type |
Maximum medium velocity
•Cost-effective high-accuracy solution.
•Materials in contact with medium are made of stainless steel.
•Immersion length adjustable.
•Easy installation.
•Universal solution for industry and HVAC.
75 mm length |
20 m/s |
220 mm length |
10 m/s |
Medium |
Mineral and synthetic oil, |
|
glycol-water mixtures, domestic hot |
|
water, air, and media compatible |
|
with stainless steel 1.4571 |
Material |
|
GENERAL
The temperature sensors of series STF are designed for universal use in systems of machine construction, process control, HVAC, environmental and agricultural area. Costeffective and high-accuracy sensor technology allows usage in a wide field of applications where PT100 and PT1000 sensor technology is a standard. The STF 21 / 31 immersion Temperature Sensor can also be used in heating, cooling, or domestic hot water applications where fast-response temperature measurement is required. Material in contact with medium: stainless steel 1.4571.
Screw connection |
Stainless steel 1.4571 (AISI 316 Ti) |
Sensor well |
Stainless steel 1.4571 (AISI 316 Ti) |
Dimensions |
4 mm, length ~ 75 and 220 mm |
Outlet size |
R1/2" |
Cable length |
2.5 m |
Protection class |
IP 65 |
® U.S. Registered Trademark EN0B-0474GE51 R1105
Copyright © 2005 Honeywell Inc.
All Rights Reserved
Loading...