Siemens technical specifications Power supply UH, Accuracy, Rated operating conditions

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure

Z series for gage and absolute pressure

■Technical specifications

SITRANS P pressure transmitters, Z series for gage pressure, abso- lute pressure and level

Mode of operation
• Measuring range <1 bar	Piezo-resistive
(<14.5 psi)
• Measuring range ≥1 bar	Thin-film strain gage
(≥14.5 psi)
Input
Measured variable	Gage and absolute pressure
Measured range
• Pressure
- Metric	0	... 400 bar g (0 ... 5802 psi g)
- US measuring range	0	... 6000 psi g
• Absolute pressure
- Metric	0	... 16 bar a (0 ... 232 psi a)
- US measuring range	0	... 300 psi a
Output
Output signal

Power supply UH
Terminal voltage on pressure trans-
mitter
• For current output	10 ... 36 V DC
		2
• For voltage output signal (only	15 ... 36 V DC
measuring range ≥ 1 bar
(14.5 psi))
Certificate and approvals
Classification according to pressure	For gases of fluid group 1 and liq-
equipment directive	uids of fluid 1; complies with
(DRGL 97/23/EC)	requirements of article 3, para-
	graph 3 (sound engineering prac-
	tice)
Explosion protection
• Intrinsic safety "i" (only with current	TÜV 02 ATEX 1953X
output)
- Identification	Ex II 1/2G EEx ia IIC T4
• Intrinsic safety "T.I.I.S." (only with	applied
current output)
Lloyds Register of Shipping	Certificate No. 03/30003

• Current output signal	4 ... 20 mA
• Voltage output signal (only mea-	0 ... 10 V DC
suring range ≥ 1 bar (14.5 psi))
Accuracy	To EN 60770-1
Error in measurement (at 25 °C	0.25% of full-scale value – typical
(77 °F), including conformity error,
hysteresis and repeatability)
Response time T99	< 0.1 s
Long-term drift
• Start of scale	0.25% of full scale value/year
• Full-scale value	0.25% of full scale value/year
Influence of ambient temperature
• Start of scale	0.25%/10 K (0.25%/10 K) of full-
	scale value
• Full-scale value	0.25%/10 K (0.25%/10 K) of full-
	scale value
Rated operating conditions

■Dimensional drawings

132 (5.2) without Ex protection1)

5	20	141 (5.6) with Ex protection
(0.2)	(0.8)		(diam.1.1)		(1.97)
G½B		Ø		50
2)		27

SW27

1)	Length on version for voltage	M16x1,5
	output 0 ... 10 V: 106 (4.2)	or
2)	Inner diameter 3 (0.12)	½-14 NPT

Pressure transmitter 7MF1564-... with process connection G½" male, dimensions in mm (inch)

Process temperature	-30 ... +120 °C
	(-22 … +248 °F)
Ambient temperature	-25 ... +85 °C (-13 … +185 °F)
Storage temperature	-50 ... +100 °C
	(-58 … +212 °F)
Degree of protection to EN 60529	IP65
Design
Weight	≈ 0.25 kg (≈ 0.55 lb)
Wetted parts materials
• Measuring cell
- Measuring range <1 bar	Stainless steel, 1.4571/316Ti
(<14.5 psi)
- Measuring range ≥1 bar	Al2O3 – 96%
(≥14.5 psi)
• Process connection	Stainless steel, mat. No.
	1.4571/316Ti
• Gasket	Viton
Process connection	See Selection and Ordering data

122 (4.8) without Ex protection1)

	16	131 (5.15) with Ex protection
	(0.63)		1.1)
2)		27
G¼B		Ø	(diam.	50	(1.97)

SW27

1)	Length on version for voltage	M16x1,5
	output 0 ... 10 V: 96 (3.8)	or
2)	Inner diameter 3 (0.12)	½-14 NPT

Pressure transmitter 7MF1564-... with process connection G¼" male, dimensions in mm (inch)

Siemens FI 01 · 2009

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