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Sitrans p measuring instruments for pressure, Z series for gage and absolute pressure 2/7 – Siemens SITRANS P User Manual

Page 7

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SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure

Z series for gage and absolute pressure

2/7

Siemens FI 01 · 2009

2

Technical specifications

Dimensional drawings

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

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

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

Mode of operation

• Measuring range <1 bar

(<14.5 psi)

Piezo-resistive

• Measuring range

≥1 bar

(

≥14.5 psi)

Thin-film strain gage

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

• Current output signal

4 ... 20 mA

• Voltage output signal (only mea-

suring range

≥ 1 bar (14.5 psi))

0 ... 10 V DC

Accuracy To

EN

60770-1

Error in measurement (at 25 °C
(77 °F), including conformity error,
hysteresis and repeatability)

0.25% of full-scale value – typical

Response time T

99

< 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

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

(<14.5 psi)

Stainless steel, 1.4571/316Ti

- Measuring range

≥1 bar

(

≥14.5 psi)

Al

2

O

3

– 96%

• Process connection

Stainless steel, mat. No.
1.4571/316Ti

• Gasket

Viton

Process connection

See Selection and Ordering data

Power supply U

H

Terminal voltage on pressure trans-
mitter

• For current output

10 ... 36 V DC

• For voltage output signal (only

measuring range

≥ 1 bar

(14.5 psi))

15 ... 36 V DC

Certificate and approvals

Classification according to pressure
equipment directive
(DRGL 97/23/EC)

For gases of fluid group 1 and liq-
uids of fluid 1; complies with
requirements of article 3, para-
graph 3 (sound engineering prac-
tice)

Explosion protection

• Intrinsic safety "i" (only with current

output)

TÜV 02 ATEX 1953X

- Identification

Ex II 1/2G EEx ia IIC T4

• Intrinsic safety "T.I.I.S." (only with

current output)

applied

Lloyds Register of Shipping

Certificate No. 03/30003

27

132 (5.2) without Ex protection

1)

141 (5.6) with Ex protection

(diam. 1.1)

M16x1,5

or

½-14 NPT

1) Length on version for voltage
output 0 ... 10 V: 106 (4.2)
2) Inner diameter 3 (0.12)

Ø

50

G

½

B

2)

20

(1.97)

SW27

(0.8)

5

(0.2)

122 (4.8) without Ex protection

1)

131 (5.15) with Ex protection

(diam. 1.1)

M16x1,5

or

½-14 NPT

1) Length on version for voltage
output 0 ... 10 V: 96 (3.8)
2) Inner diameter 3 (0.12)

Ø

27

50

G¼B

2)

16

(1.97)

SW27

(0.63)

© Siemens AG 2008