WIKA UPT-21 - Handbuch (Seite 14)

14 WIKA operating instructions process transmitter, model UPT-2x
14068347.01 06/2014 GB/D
GB
3. Specifications
3.5 Display and operating unit (option)
Refresh rate
200 ms
Main display
4 ½-digit
Additional display
Selectable via menu, three-line scale range
Bargraph display
20 segments, radial, pressure gauge simulation
Colours
Background: light grey, digits: black
Operating state
Display via symbols
3.6 Output signal (see product label)
Signal
4 ... 20 mA
4 ... 20 mA with HART ® signal
Load in Ω
(U
B
- U
Bmin
) / 0.023 A
U
B
= applied power supply (see “Power supply”)
U
Bmin
= minimum permissible power supply (see “Power supply”)
Damping
0 ... 99.9 s, adjustable
After the set damping time the instrument outputs 63 % of the applied pressure as
output signal.
Settling time t
90
60 ms without HART ®
80 ms with HART ®
Refresh rate
20 ms without HART ®
50 ms with HART ®