13. Specifications
Output signal (4 ... 20 mA version)
Communication
Info data
EN
Configuration and calibration data
Configuration software
Voltage supply
Supply voltage U
Supply voltage input
Permissible residual ripple of
supply voltage
Time response
Switch-on delay, electrical
Warm-up time
Response time per IEC 60751
Model TR21-A
Model TR21-B
Model TR21-C
Operating conditions
Ambient temperature range
4 ... 20 mA version
Pt100/Pt1000 version
Storage temperature range
Climate class per IEC 60654-1
4 ... 20 mA version
Pt100/Pt1000 version
Maximum permissible humidity,
condensation
Max. operating pressure
Salt fog
Shock resistance per IEC 60068-2-27
28
Tag no., description and user message can be stored in
transmitter
Permanently stored
WIKAsoft-TT
→ Configuration software (multilingual) as a download from
DC 10 ... 30 V
B
Protected against reverse polarity
10 % generated by U
Max. 4 s (time before the first measured value)
After approx. 4 minutes, the instrument will function to the
specifications (accuracy) given in the data sheet.
t
50
t
90
t
50
t
90
t
50
t
90
-40 ... +85 °C [-40 ... +185 °F]
-50 ... +85 °C [-58 ... +185 °F]
-40 ... +85 °C [-40 ... +185 °F]
Cx (-40 ... +85 °C [-40 ... +185 °F], 5 ... 95 % r. h.)
Cx (-50 ... +85 °C [-58 ... +185 °F], 5 ... 95 % r. h.)
100 % r. h., condensation allowed
Dependent on particular process connection
IEC 60068-2-11
50 g, 6 ms, 3 axes, 3 directions, three times per direction
www.wika.com
< 3 % ripple of the output current
B
< 4.7 s
< 12.15 s
< 3.2 s
< 7.3 s
< 3.3 s
< 9.7 s
WIKA operating instructions model TR21