
SITRANS P measuring instruments for pressure
Transmitters for gage, absolute and differential pressure, flow and level
DS III series
for differential pressure and flow
2/122
Siemens FI 01 · 2009
SITRANS P pressure transmitters, DS III PA and FF series for differential pressure and flow, with process covers for vertical differential pressure lines,
option „H03“, dimensions in mm (inch)
SITRANS P pressure transmitters, DS III series for differential pressure
and flow, with process covers for vertical differential pressure lines
3
6
approx 30 (1.18)
6)
74 (2.9)
2
5
1)
8
8
approx.
84,6 (3.33)
approx.
85 (3.35)
6)
4
1)
67 (2.64)
5)
Space for rotation
of housing
approx. 217 (8.54)
7)
9
1
144 (5.67)
15
(0.6)
51
(2.0)
20
(0.8)
50
(1.97)
diam. 80
(3.15)
90 (3.6)
4)
100 (3.94)
+
1Process connection ¼-18 NPT (EN 61 518)
2 Blanking plug
3
Electrical connection:
screwed gland M20x1.5
3)
,
screwed gland ½-14 NPT or
PROFIBUS plug M12
2) 3)
4 Terminal side
5 Electronics side, digital display (longer overall length for cover with window)
6Protective cover over keys
7Mounting bracket (option)
8 Sealing screw with valve (option)
9Screw cover safety bracket (only for explosion-proof enclosure,
not shown in the drawing)
1) Allo
w approx. 20 mm (0.79 inch) thread length in addition
2) Not with type protection "explosion-proof enclosure"
3)Not with type protection "FM + CSA [is + xp]"
4) 92 mm (3.
6 inch) for minimum distance to permit rotation
without indicator
5) 74 mm (2.9 inch) for PN ³ 420 (MWP ³ 6092 psi)
6) 91 mm (3.6 inch) for PN ³ 420 (MWP ³ 6092 psi)
7) 219 mm (8.62 inch) for PN ³ 420 (MWP ³ 6092 psi)
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