Siemens technical specifications 116, Silicone oil Standard, PN 420 MWP 6092 psi Display

© 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.
	SITRANS P pressure transmitters for differen-		7	M F 4 5		3 3	-
	tial pressure and flow, Series DS III HART
				77777		-	7777
	PN 420 (MWP 6092 psi)
2	Measuring cell filling	Measuring cell
		cleaning
	Silicone oil	Standard	1
	Span
	2.5 ... 250 mbar	(1.004 ... 100.4 inH2O)		D
	6 ... 600 mbar	(2.409 ... 240.9 inH2O)		E
	16 ... 1600 mbar	(6.424 ... 642.4 inH2O)		F
	50 ... 5000 mbar	(20.08 ... 2008 inH2O)		G
	0.3 ... 30 bar	(4.35 ... 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
	casting2)

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)"3)		D
- "Intrinsic safety and explosion-proof		P
enclosure (EEx ia + EEx d)"4)
- "Ex nA/nL (zone 2)"		E
- "Intrinsic safety, explosion-proof enclosure		R
and dust explosion protection (EEx ia +
EEx d + Zone 1D/2D)"4)
• With FM + CSA, Type of protection:
- "Intrinsic safety and explosion-proof		N C
(is + xp)"3), max PN 360
Electrical connection / cable entry
• Screwed gland Pg 13.55)			A
• Screwed gland M20x1.5
			B
• Screwed gland ½-14 NPT			C
• Han 7D plug (plastic housing) incl. mating			D
connector5)
• M12 connectors (metal)6)
			F

Selection and Ordering data	Order No.
SITRANS P pressure transmitters for differen-	7 M F		4 5 3 3		-
tial pressure and flow, Series DS III HART
		77777		-	7777
PN 420 (MWP 6092 psi)
Display
• Without indicator						0
• Without visible digital indicator (digital indicator }						1
hidden, setting: mA)
• With visible digital indication						6
• With customer-specific digital indication (setting						7
as specified, Order code "Y21" or required)

Power supply units see "SITRANS I power supply units and isolation amplifiers".

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

Scope of delivery: Pressure transmitter as ordered (Instruction Manual is extra ordering item)

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

2)Not together with Electrical connection „Screwed gland Pg 13.5“ and „Han7D plug“.

3)Without cable gland, with blanking plug

4)With enclosed cable gland EEx ia and blanking plug

5)Not together with type of protection "Explosion-proof" and and type of protection "Ex nA".

6)Cannot be used together with the following types of protection: "Explosion-proof" and "Intrinsic safety and explosion-proof".

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Siemens FI 01 · 2009