Siemens SITRANS F US Operating Instructions Manual page 7

Design
Transmitter only as separate version
Housing material
Electrical connection
Displays and controls
Display
Multi-display: 2 freely-selectable values
are displayed simultaneously in two lines
Operation
Power supply
Supply voltage for standard version
Supply voltage for Ex version
Power failure
Power consumption
Reference conditions
Process temperature
Ambient temperature
Installation conditions
Warming-up time
Certificates and approvals
Note
For full performance at 10 KHz frequency on digital output 1, the capacitive load should not exceed 100 nF.
SFIDK.PS.029.E5.02 / SW 2.01.07
Transmitter weight: 4.4 kg (9.7 lb)
Transmitter is connected to the transducers via 3 ... 120 m
(9,8 ... 395 ft) long coaxial cables.
For ATEX versions mounted in the Ex zone
restricted to 3m, in order to comply with specification for
electrical immunity.
Die-cast aluminum, painted
Cable glands: 2x M20 or 2x ½"-NPT
Transducers: 2/4x M16 or 2/4x ½" NPT
LCD, two lines with 16 characters each (backlit)
Flow, volume, mass flow, mass, flow velocity, speed of sound,
ultrasonic signal information, current, frequency
4 infrared keys
Hierarchical menu prompting with numbering
120...230 V AC ± 15% (50/60 Hz)
19...30 V DC/ 21...26 V AC
19...30 V DC/ 21...26 V AC
No effect for at least 1 period (> 20 ms)
Approx. 8 VA / 6 W
25 °C ± 5 °C (77 °F ± 9 °F)
25 °C ± 5 °C (77 °F ± 9 °F)
Upstream section > 20x DN and
downstream section > 5x DN
30 min.
Explosion protection ATEX ll 2G Ex dem [ia/ib] llC
T6 for media<85°C
T5 for media<100°C
T4 media<135°C
T3 media<200°C
cable length is
7