SITRANS TF280 WirelessHART
Operating Instructions, 10/2010, A5E02619566-02
85
Appendix
A
A.1
Technical data
A.1.1
General technical specifications
General technical
specifications
Device
Type
SITRANS TF280 WirelessHART temperature sensor
Low-power operation
Housing
GD-AISi12 low-copper aluminum casting
Polyester-based paint for AlSi12 housing
Nameplate made of stainless steel
Weight
1.5 kg
Operator interface
Local user interface
– Digital display
– Menu control
– 3 control keys
Degree of protection
IP65
A.1.2
Input
Technical specifications
Measured variable
Temperature
Sensor type
Pt100 resistance thermometer (IEC 60751)
Sensor supply
100 µA
Measuring range
-200 °C ... +850 °C / -328 °F …+1562 °F
Measuring unit
°C or °F
Characteristic
Linear to temperature or special characteristic curve
Type of connection
Two-, three- or four-wire input