SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434764-01, 08/2011
29
Design with flush-mounted diaphragm
Electrical connection
Cable inlet via the following glands:
● M20 x 1.5 (plastic)
● M20 x 1.5 (metal with shield support)
Wetted parts surface quality
R
a
values ≤ 0.8 μm (32 μ-inch)/welded seams R
a
≤ 1.6 μm (64 μ-inch)
(process connections in accordance with 3A; R
a
values ≤ 0.8 μm (32 μ-inch)/
welded seams R
a
≤ 0.8 μm (32 μ-inch))
Display, keyboard and auxiliary power
Display and user interface
Keys
3 for on-site programming on the device itself
Display
● With or without integrated display (optional)
● Cover with inspection window (optional)
Auxiliary power U
H
HART
PROFIBUS PA or Foundation Fieldbus
Terminal voltage at transmitter
● 10.5 V … 42 V DC
● In the case of intrinsically safe
operation 10.5 V … 30 V DC
–
Ripple
U
SS
≤ 0,2 V (47 … 125 Hz)
–
Noise
U
eff
≤ 1.2 V (0.5 … 10 Hz)
–
Auxiliary power
–
Bus-powered
Separate supply voltage
–
Not necessary
Bus voltage
● Without
–
9 … 32 V
● For intrinsically safe operation
–
9 … 24 V
Current consumption
● Max. basic current
–
12.5 mA
● Starting current ≤ basic current
–
Yes
● Max. current in event of fault
–
15.5 mA
Error shut-down electronics (FDE)
fitted
–
Yes
Certificates and approvals
Certificates and approvals
HART
PROFIBUS PA or Foundation Fieldbus
Classification according to Pressure
Equipment Directive (PED 97/23/EC)
● For gases of Fluid Group 1 and liquids of Fluid Group 1; meets requirements
of Article 3 Para. 3 (good engineering practice)
Water, waste water
In preparation
Explosion protection
● Intrinsic safety "i"
PTB 05 ATEX 2048
Identifier
II 1/2 G Ex ia/ib IIB/IIC T4, T5, T6
Permissible ambient temperature -40 … +85°C (-40 … +185°F) temperature class T4
-40 … +70°C (-40 … +158°F) temperature class T5
-40 … +60°C (-40 … +140°F) temperature class T6