13. Specifications
Measuring range
Temperature range
4 ... 20 mA version
EN
Model TR21-A
Model TR21-B
Model TR21-C
Pt100/Pt1000 version
Models TR21-A, TR21-C
Model TR21-B
Unit (4 ... 20 mA version)
Temperature at the connector (Pt100,
Pt1000 version)
Measuring span (4 ... 20 mA version)
1) The temperature transmitter should therefore be protected from temperatures over 85 °C [185 °F].
Process connection
Type of process connection
Model TR21-A
Model TR21-B
Model TR21-C
26
-30 ... +250 °C [-22 ... +482 °F]
-30 ... +150 °C [-22 ... +302 °F]
-30 ... +150 °C [-22 ... +302 °F]
-30 ... +250 °C [-22 ... +482 °F]
Class AA
Class A
Class AA
Class A
Configurable °C, °F, K
Max. 85 °C [185 °F]
Minimum 20 K, maximum 300 K
Clamp
■
VARINLINE
®
■
NEUMO BioControl
■
Union nut DIN 11851
■
Aseptic threaded pipe connection DIN 11864-1
■
Aseptic flange DIN 11864-2
■
Aseptic clamp connection DIN 11864-3
■
Union nut SMS
■
Process connection, straight
■
Welding ball
■
Ball-type compression fitting
■
Collar-type compression fitting
■
Ingold connection
■
Flow-through housing
■
Angular housing
■
Clamp
■
VARINLINE
®
■
NEUMO BioControl
■
Union nut DIN 11851
■
Tapered hygienic threaded connections
■
Ingold connection
■
1)
1)
1)
0 ... 150 °C [32 ... 302 °F]
-30 ... +250 °C [-22 ... +482 °F]
0 ... 150 °C [32 ... 302 °F]
-30 ... +150 °C [-22 ... +302 °F]
®
®
WIKA operating instructions model TR21