Siemens P technical specifications 117, Nominal measuring range

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure, flow and level

DS III series for differential pressure and flow

Selection and Ordering data Order No. Selection and Ordering data Order No.

SITRANS P pressure transmitters for differen- tial pressure and flow, Series DS III HART PN 420 (MWP 6092 psi)

SITRANS P pressure transmitters for differen- tial pressure and flow, Series DS III HART PN 420 (MWP 6092 psi)

DS III PA (PROFIBUS PA) series		7 M F 4 5 3 4 -
DS III FF series (FOUNDATION Fieldbus)		7 M F 4 5 3 5 -
		1 7777 - 7777
Nominal measuring range
250 mbar	(100.4 inH2O)	D
600 mbar	(240.9 inH2O)	E
1600 mbar	(642.4 inH2O)	F
5 bar	(2008 inH2O)	G
30 bar	(435 psi)	H
Wetted parts materials
(stainless steel process flanges)
Seal diaphragm	Parts of measuring cell
Stainless steel	Stainless steel	A
Hastelloy	Stainless steel	B
Gold1)	Gold	L
Process connection
Female thread ¼-18 NPT with flange connection
• Sealing screw opposite process connection
- Mounting thread 7/16-20 UNF to EN 61518		3
- Mounting thread M12 to DIN 19213		1
(only for replacement needs)
• Venting on side of process flanges. Position of
the top vent valve in the process flanges (see
dimensional drawing).
- Mounting thread 7/16-20 UNF to EN 61518		7
- Mounting thread M12 to DIN 19213		5
(only for replacement needs)
Non-wetted parts materials
Process flange screws	Electronics housing
Stainless steel	Die-cast aluminium	2
Stainless steel	Stainless steel precision	3
	casting
Version
• Standard version		1
• International version, English label inscriptions,		2
documentation in 5 languages on CD
Explosion protection
• Without		A
• With ATEX, Type of protection:
- "Intrinsic safety (EEx ia)"		B
- "Explosion-proof (EEx d)"2)		D
- "Intrinsic safety and explosion-proof		P
enclosure (EEx ia + EEx d)"3)
- "Ex nA/nL (zone 2)"		E
- "Intrinsic safety, explosion-proof enclosure		R
and dust explosion protection (EEx ia +
EEx d + Zone 1D/2D)"3) (not for DS III FF)
• With FM + CSA, Type of protection:
- "Intrinsic safety and explosion-proof		N C
(is + xp)"2), max PN 360

Electrical connection / cable entry
• Screwed gland M20x1.5
	B
• Screwed gland ½-14 NPT	C
• Plug M12 incl. mating connector4)	F

DS III PA (PROFIBUS PA) series	7	M F		4	5 3 4		-		2
DS III FF series (FOUNDATION Fieldbus)	7	M F		4	5 3 5		-
	1		7777			-	7777
Display
• Without indicator								0
• Without visible digital indicator (digital indicator }								1
hidden, setting: mA)
• With visible digital indicator								6
• With customer-specific digital indicator (setting								7
as specified, Order code "Y21" or required)

Factory-mounting of shut-off valves and valve manifolds see page 2/142.

Included in delivery of the device:

•Brief instructions (Leporello)

•CD-ROM with detailed documentation

•Sealing plug(s) or sealing screw(s) for the process flanges(s)

1)Not together with max. span 600 mbar (240.9 inH2O)

2)Without cable gland, with blanking plug.

3)With enclosed cable gland EEx ia and blanking plug.

4)Not together with types of protection "Explosion-proof" and "Intrinsic safety and explosion-proof"

Siemens FI 01 · 2009

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