Specifications; Design And Function - WIKA TF40 Manual De Instrucciones

3. Specifications / 4. Design and function

3. Specifications

Temperature ranges
Measuring range
■
The measuring range is dependent, essentially, on the measuring element. Depending on the
GB
measuring element, the following maximum measuring ranges are available:
Measuring element
Pt100
Pt1000
NTC
Ambient temperature
■
The housing is designed for a temperature range of -40 ... +100 °C.
Storage temperature
■
-20 ... +70 °C
Protect the measuring instruments from humidity and dust!
Ingress protection
IP 65
The connection housing is protected from dust and water jets.
For further specifications see WIKA data sheet TE 67.16 and the order documentation.

4. Design and function

4.1 Description
The duct temperature sensor consists of a stainless steel sensor tube with built-in measuring
element as well as a connection housing with integrated connection terminals.
The TF40 is used for temperature measurement in air ducts and can be mounted via a plastic
flange. In conjunction with an additional thermowell, it can also be used in liquid media. A plastic
flange and thermowells with different insertion lengths can be ordered from WIKA as accessories
(article numbers see data sheet TE 67.16).
All electrical components are protected against splash water. The electrical connection is made
via connection terminals in the case.
4.2 Scope of delivery
Cross-check scope of delivery with delivery note.
8
Measuring range
-50 ... +200 °C
-50 ... +200 °C
-30 ... +130 °C
WIKA operating instructions model TF40