Siemens 7MF8 23-Serie Kompaktbetriebsanleitung Seite 28

Design (standard version)
● Measurement cell filling
Process connection
Electrical connection
Design with flush-mounted diaphragm
Weight (without options)
Enclosure material
Wetted parts material
● Process connection
● Seal diaphragm
Measuring cell filling
Process connection
Electrical connection
Wetted parts surface quality
Display, keyboard and auxiliary power
Display and user interface
Keys
Display
Auxiliary power U
H
Terminal voltage at transmitter
Ripple
Noise
Auxiliary power
28
● Silicone oil
● Inert filling liquid
● Connection pins G½B in accordance with DIN EN 837-1
● Internal thread ½-14 NPT
● Oval flange PN 160 (MAWP (PS) 2320 psi) with fastening screw thread:
– ⁄ -20 UNF as per IEC 61518
7
16
– M10 as per DIN 19213
● Male thread M20 x 1.5 and ½-14 NPT
Cable inlet using the following glands:
● M20 x 1.5 (plastic)
● M20 x 1.5 (metal with shield support)
Approx. 1 ... 13 kg (2.2 ... 29 lb)
Stainless steel, mat. no. 1.4301/304
Stainless steel, mat. no. 1.4404/316L
Stainless steel, mat. no. 1.4404/316L
Hastelloy C276, mat. no. 2.4819
● Silicone oil
● Inert filling liquid
● FDA-compliant oil (Neobee)
● Flanges in accordance with EN and ASME
● F&B and Pharma flange
● Bioconnect/Biocontrol
● PMC style
Cable inlet via the following glands:
● M20 x 1.5 (plastic)
● M20 x 1.5 (metal with shield support)
R values ≤ 0.8 μm (32 μ-inch)/welded seams R
a
(process connections in accordance with 3A; R
welded seams R ≤ 0.8 μm (32 μ-inch))
a
3 for on-site programming on the device itself
● With or without integrated display (optional)
● Cover with inspection window (optional)
HART
● 10.5 V ... 42 V DC
● In the case of intrinsically safe
operation 10.5 V ... 30 V DC
U ≤ 0,2 V (47 ... 125 Hz)
SS
U ≤ 1.2 V (0.5 ... 10 Hz)
eff
–
≤ 1.6 μm (64 μ-inch)
a
values ≤ 0.8 μm (32 μ-inch)/
a
PROFIBUS PA or Foundation Fieldbus
–
–
–
Bus-powered
SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434657-01, 08/2011